Search

Tulsidas C. Patel

Supervisory Patent Examiner (ID: 2264, Phone: (571)272-2098 , Office: P/2831 )

Most Active Art Unit
2839
Art Unit(s)
2833, 3202, 2832, 2839, 2834, 2831, 2841, 3722
Total Applications
1506
Issued Applications
1286
Pending Applications
82
Abandoned Applications
141

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6246479 [patent_doc_number] => 20100025373 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-04 [patent_title] => 'PYROGENIC SILICA PRODUCED IN A PRODUCTION FACILITY WITH HIGH CAPACITY' [patent_app_type] => utility [patent_app_number] => 12/514749 [patent_app_country] => US [patent_app_date] => 2007-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 16016 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0025/20100025373.pdf [firstpage_image] =>[orig_patent_app_number] => 12514749 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/514749
Pyrogenic silica produced in a production facility with high capacity Nov 7, 2007 Issued
Array ( [id] => 8446259 [patent_doc_number] => 08288311 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-10-16 [patent_title] => 'Hydro-oxidation process using a catalyst prepared from a gold cluster complex' [patent_app_type] => utility [patent_app_number] => 12/445547 [patent_app_country] => US [patent_app_date] => 2007-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 21815 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12445547 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/445547
Hydro-oxidation process using a catalyst prepared from a gold cluster complex Nov 6, 2007 Issued
Array ( [id] => 7539930 [patent_doc_number] => 08057772 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-11-15 [patent_title] => 'Mesoporous silica particles and preparation method thereof' [patent_app_type] => utility [patent_app_number] => 11/877250 [patent_app_country] => US [patent_app_date] => 2007-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4431 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/057/08057772.pdf [firstpage_image] =>[orig_patent_app_number] => 11877250 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/877250
Mesoporous silica particles and preparation method thereof Oct 22, 2007 Issued
Array ( [id] => 8542835 [patent_doc_number] => 08318121 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-11-27 [patent_title] => 'Device and method for the processing of non-ferrous metals' [patent_app_type] => utility [patent_app_number] => 12/516840 [patent_app_country] => US [patent_app_date] => 2007-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 5426 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12516840 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/516840
Device and method for the processing of non-ferrous metals Oct 12, 2007 Issued
Array ( [id] => 6306066 [patent_doc_number] => 20100069236 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-03-18 [patent_title] => 'METHODS FOR MANFACTURING LI-DOPED SILICA NANOTUBE USING ANODIC ALUMINUM OXIDE TEMPLATE AND USE OF THE LI-DOPED SILICA NANOTUBE FOR ENERGY STORAGE' [patent_app_type] => utility [patent_app_number] => 12/312227 [patent_app_country] => US [patent_app_date] => 2007-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3751 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0069/20100069236.pdf [firstpage_image] =>[orig_patent_app_number] => 12312227 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/312227
METHODS FOR MANFACTURING LI-DOPED SILICA NANOTUBE USING ANODIC ALUMINUM OXIDE TEMPLATE AND USE OF THE LI-DOPED SILICA NANOTUBE FOR ENERGY STORAGE Oct 10, 2007 Abandoned
Array ( [id] => 5507909 [patent_doc_number] => 20090081116 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-03-26 [patent_title] => 'Rare vanadium derivative' [patent_app_type] => utility [patent_app_number] => 11/796157 [patent_app_country] => US [patent_app_date] => 2007-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0081/20090081116.pdf [firstpage_image] =>[orig_patent_app_number] => 11796157 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/796157
Rare vanadium derivative Sep 20, 2007 Abandoned
Array ( [id] => 4925080 [patent_doc_number] => 20080164443 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-10 [patent_title] => 'CYCLIC CATALYTIC UPGRADING OF CHEMICAL SPECIES USING METAL OXIDE MATERIALS' [patent_app_type] => utility [patent_app_number] => 11/858564 [patent_app_country] => US [patent_app_date] => 2007-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 14318 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0164/20080164443.pdf [firstpage_image] =>[orig_patent_app_number] => 11858564 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/858564
Cyclic catalytic upgrading of chemical species using metal oxide materials Sep 19, 2007 Issued
Array ( [id] => 6358575 [patent_doc_number] => 20100087311 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-08 [patent_title] => 'SILICA BASE COMPOSITE PHOTOCATALYST AND PROCESS FOR PRODUCING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/442533 [patent_app_country] => US [patent_app_date] => 2007-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6079 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0087/20100087311.pdf [firstpage_image] =>[orig_patent_app_number] => 12442533 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/442533
Silica base composite photocatalyst and process for producing the same Sep 13, 2007 Issued
Array ( [id] => 5952191 [patent_doc_number] => 20110033371 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-10 [patent_title] => 'Rapid Method for Preparing Titania or Precursor Thereof with Controllable Microporous-Mesoporous Structure' [patent_app_type] => utility [patent_app_number] => 12/672139 [patent_app_country] => US [patent_app_date] => 2007-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2688 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0033/20110033371.pdf [firstpage_image] =>[orig_patent_app_number] => 12672139 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/672139
Rapid method for preparing titania or precursor thereof with controllable microporous-mesoporous structure Aug 6, 2007 Issued
Array ( [id] => 4439710 [patent_doc_number] => 07927571 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-04-19 [patent_title] => 'Method and device for producing high purity polycrystalline silicon with a reduced dopant content' [patent_app_type] => utility [patent_app_number] => 11/834135 [patent_app_country] => US [patent_app_date] => 2007-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 3936 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/927/07927571.pdf [firstpage_image] =>[orig_patent_app_number] => 11834135 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/834135
Method and device for producing high purity polycrystalline silicon with a reduced dopant content Aug 5, 2007 Issued
Array ( [id] => 5520792 [patent_doc_number] => 20090028773 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-29 [patent_title] => 'METHOD AND SYSTEM FOR FORMING A SILICON INGOT USING A LOW-GRADE SILICON FEEDSTOCK' [patent_app_type] => utility [patent_app_number] => 11/828734 [patent_app_country] => US [patent_app_date] => 2007-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4820 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0028/20090028773.pdf [firstpage_image] =>[orig_patent_app_number] => 11828734 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/828734
Method and system for forming a silicon ingot using a low-grade silicon feedstock Jul 25, 2007 Issued
Array ( [id] => 5299148 [patent_doc_number] => 20090293800 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-03 [patent_title] => 'Single crystal manufacturing apparatus and method' [patent_app_type] => utility [patent_app_number] => 12/311111 [patent_app_country] => US [patent_app_date] => 2007-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6393 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0293/20090293800.pdf [firstpage_image] =>[orig_patent_app_number] => 12311111 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/311111
Single crystal manufacturing apparatus and method Jul 19, 2007 Issued
Array ( [id] => 4797824 [patent_doc_number] => 20080009410 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-10 [patent_title] => 'Cerium oxide-zirconium oxide-based mixed oxide and method for producing the same' [patent_app_type] => utility [patent_app_number] => 11/819557 [patent_app_country] => US [patent_app_date] => 2007-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4977 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0009/20080009410.pdf [firstpage_image] =>[orig_patent_app_number] => 11819557 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/819557
Cerium oxide-zirconium oxide-based mixed oxide and method for producing the same Jun 27, 2007 Abandoned
Array ( [id] => 5348728 [patent_doc_number] => 20090004089 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-01 [patent_title] => 'Silica gel manufacturing method and gels made thereby' [patent_app_type] => utility [patent_app_number] => 11/823436 [patent_app_country] => US [patent_app_date] => 2007-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12853 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0004/20090004089.pdf [firstpage_image] =>[orig_patent_app_number] => 11823436 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/823436
Silica gel manufacturing method and gels made thereby Jun 26, 2007 Issued
Array ( [id] => 5388249 [patent_doc_number] => 20090205561 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-08-20 [patent_title] => 'METHOD FOR PRODUCING SILICON CARBIDE (SiC) CRYSTAL AND SILICON CARBIDE (SiC) CRYSTAL OBTAINED BY THE SAME' [patent_app_type] => utility [patent_app_number] => 12/305313 [patent_app_country] => US [patent_app_date] => 2007-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 6464 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0205/20090205561.pdf [firstpage_image] =>[orig_patent_app_number] => 12305313 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/305313
METHOD FOR PRODUCING SILICON CARBIDE (SiC) CRYSTAL AND SILICON CARBIDE (SiC) CRYSTAL OBTAINED BY THE SAME Jun 25, 2007 Abandoned
Array ( [id] => 4797059 [patent_doc_number] => 20080008645 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-10 [patent_title] => 'Fine hollow powder, thin flaky titanium oxide powder obtained by pulverization of the fine hollow powder and processes for producing the same' [patent_app_type] => utility [patent_app_number] => 11/812958 [patent_app_country] => US [patent_app_date] => 2007-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 9227 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 23 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0008/20080008645.pdf [firstpage_image] =>[orig_patent_app_number] => 11812958 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/812958
Fine hollow powder, thin flaky titanium oxide powder obtained by pulverization of the fine hollow powder and processes for producing the same Jun 21, 2007 Issued
Array ( [id] => 4493516 [patent_doc_number] => 07947249 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-05-24 [patent_title] => 'Fine hollow powder, thin flaky titanium oxide powder obtained by pulverization of the fine hollow powder and processes for producing the same' [patent_app_type] => utility [patent_app_number] => 11/812953 [patent_app_country] => US [patent_app_date] => 2007-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 9247 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/947/07947249.pdf [firstpage_image] =>[orig_patent_app_number] => 11812953 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/812953
Fine hollow powder, thin flaky titanium oxide powder obtained by pulverization of the fine hollow powder and processes for producing the same Jun 21, 2007 Issued
Array ( [id] => 42713 [patent_doc_number] => 07781365 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-08-24 [patent_title] => 'Zirconia-based mixed oxide and production process thereof' [patent_app_type] => utility [patent_app_number] => 11/763044 [patent_app_country] => US [patent_app_date] => 2007-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4192 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/781/07781365.pdf [firstpage_image] =>[orig_patent_app_number] => 11763044 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/763044
Zirconia-based mixed oxide and production process thereof Jun 13, 2007 Issued
Array ( [id] => 5342291 [patent_doc_number] => 20090180941 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-07-16 [patent_title] => 'DEACTIVATION RESISTANT PHOTOCATALYSTS' [patent_app_type] => utility [patent_app_number] => 12/302626 [patent_app_country] => US [patent_app_date] => 2007-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3773 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0180/20090180941.pdf [firstpage_image] =>[orig_patent_app_number] => 12302626 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/302626
DEACTIVATION RESISTANT PHOTOCATALYSTS May 30, 2007 Abandoned
Array ( [id] => 6615255 [patent_doc_number] => 20100003182 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-01-07 [patent_title] => 'PELLITIZED SILICA' [patent_app_type] => utility [patent_app_number] => 12/301744 [patent_app_country] => US [patent_app_date] => 2007-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3697 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0003/20100003182.pdf [firstpage_image] =>[orig_patent_app_number] => 12301744 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/301744
PELLITIZED SILICA May 30, 2007 Abandoned
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