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] => 6628321 [patent_doc_number] => 20100311575 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-12-09 [patent_title] => 'EXHAUST GAS PURIFYING CATALYST' [patent_app_type] => utility [patent_app_number] => 12/778536 [patent_app_country] => US [patent_app_date] => 2010-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9442 [patent_no_of_claims] => 6 [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/A1/0311/20100311575.pdf [firstpage_image] =>[orig_patent_app_number] => 12778536 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/778536
Exhaust gas purifying catalyst May 11, 2010 Issued
Array ( [id] => 6466621 [patent_doc_number] => 20100206723 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-08-19 [patent_title] => 'PHOTOCATALYST ELEMENT, METHOD AND DEVICE FOR PREPARING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/769390 [patent_app_country] => US [patent_app_date] => 2010-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 37 [patent_no_of_words] => 15163 [patent_no_of_claims] => 13 [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/A1/0206/20100206723.pdf [firstpage_image] =>[orig_patent_app_number] => 12769390 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/769390
PHOTOCATALYST ELEMENT, METHOD AND DEVICE FOR PREPARING THE SAME Apr 27, 2010 Abandoned
Array ( [id] => 6505114 [patent_doc_number] => 20100210447 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-08-19 [patent_title] => 'PHOTOCATALYST ELEMENT, METHOD AND DEVICE FOR PREPARING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/769343 [patent_app_country] => US [patent_app_date] => 2010-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 37 [patent_no_of_words] => 15167 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0210/20100210447.pdf [firstpage_image] =>[orig_patent_app_number] => 12769343 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/769343
Photocatalyst element, method and device for preparing the same Apr 27, 2010 Issued
Array ( [id] => 6310715 [patent_doc_number] => 20100193746 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-08-05 [patent_title] => 'NANOSCALE CRYSTALLINE SILICON POWDER' [patent_app_type] => utility [patent_app_number] => 12/759346 [patent_app_country] => US [patent_app_date] => 2010-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1861 [patent_no_of_claims] => 19 [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/A1/0193/20100193746.pdf [firstpage_image] =>[orig_patent_app_number] => 12759346 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/759346
Nanoscale crystalline silicon powder Apr 12, 2010 Issued
Array ( [id] => 6499011 [patent_doc_number] => 20100215569 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-08-26 [patent_title] => 'Multi-Stage Method for Manufacturing Titanium Dioxide' [patent_app_type] => utility [patent_app_number] => 12/706039 [patent_app_country] => US [patent_app_date] => 2010-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2407 [patent_no_of_claims] => 18 [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/A1/0215/20100215569.pdf [firstpage_image] =>[orig_patent_app_number] => 12706039 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/706039
Multi-stage method for manufacturing titanium dioxide Feb 15, 2010 Issued
Array ( [id] => 6358592 [patent_doc_number] => 20100087314 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-08 [patent_title] => 'Exhaust Gas-Purifying Catalyst' [patent_app_type] => utility [patent_app_number] => 12/635943 [patent_app_country] => US [patent_app_date] => 2009-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5176 [patent_no_of_claims] => 8 [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/A1/0087/20100087314.pdf [firstpage_image] =>[orig_patent_app_number] => 12635943 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/635943
Exhaust gas-purifying catalyst Dec 10, 2009 Issued
Array ( [id] => 6372394 [patent_doc_number] => 20100080752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-01 [patent_title] => 'Ultrafine particle of rutile-type titanium oxide' [patent_app_type] => utility [patent_app_number] => 12/591876 [patent_app_country] => US [patent_app_date] => 2009-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3700 [patent_no_of_claims] => 10 [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/A1/0080/20100080752.pdf [firstpage_image] =>[orig_patent_app_number] => 12591876 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/591876
Ultrafine particle of rutile-type titanium oxide Dec 2, 2009 Issued
Array ( [id] => 6535963 [patent_doc_number] => 20100124532 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-20 [patent_title] => 'Method For Preparing Copper Oxide Nano-Particles' [patent_app_type] => utility [patent_app_number] => 12/613448 [patent_app_country] => US [patent_app_date] => 2009-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3068 [patent_no_of_claims] => 20 [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/A1/0124/20100124532.pdf [firstpage_image] =>[orig_patent_app_number] => 12613448 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/613448
Method For Preparing Copper Oxide Nano-Particles Nov 4, 2009 Abandoned
Array ( [id] => 4477133 [patent_doc_number] => 07906448 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-03-15 [patent_title] => 'Moving bed catalyst regeneration apparatus with integral CO oxidation zone and method of use to accelerate coke burning' [patent_app_type] => utility [patent_app_number] => 12/580753 [patent_app_country] => US [patent_app_date] => 2009-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 13024 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/906/07906448.pdf [firstpage_image] =>[orig_patent_app_number] => 12580753 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/580753
Moving bed catalyst regeneration apparatus with integral CO oxidation zone and method of use to accelerate coke burning Oct 15, 2009 Issued
Array ( [id] => 6346990 [patent_doc_number] => 20100071594 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-03-25 [patent_title] => 'SILICON DIOXIDE DISPERSION' [patent_app_type] => utility [patent_app_number] => 12/580384 [patent_app_country] => US [patent_app_date] => 2009-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3154 [patent_no_of_claims] => 10 [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/A1/0071/20100071594.pdf [firstpage_image] =>[orig_patent_app_number] => 12580384 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/580384
Silicon dioxide dispersion Oct 15, 2009 Issued
Array ( [id] => 6125148 [patent_doc_number] => 20110085960 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-04-14 [patent_title] => 'Method of manufacturing high-surface-area silicon' [patent_app_type] => utility [patent_app_number] => 12/587738 [patent_app_country] => US [patent_app_date] => 2009-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5207 [patent_no_of_claims] => 15 [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/A1/0085/20110085960.pdf [firstpage_image] =>[orig_patent_app_number] => 12587738 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/587738
Method of manufacturing high-surface-area silicon Oct 12, 2009 Issued
Array ( [id] => 4463573 [patent_doc_number] => 07935444 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-05-03 [patent_title] => 'Cathode active material for lithium secondary battery' [patent_app_type] => utility [patent_app_number] => 12/565033 [patent_app_country] => US [patent_app_date] => 2009-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9054 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/935/07935444.pdf [firstpage_image] =>[orig_patent_app_number] => 12565033 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/565033
Cathode active material for lithium secondary battery Sep 22, 2009 Issued
Array ( [id] => 6245182 [patent_doc_number] => 20100135883 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-03 [patent_title] => 'CATALYST SUPPORTS' [patent_app_type] => utility [patent_app_number] => 12/555340 [patent_app_country] => US [patent_app_date] => 2009-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3180 [patent_no_of_claims] => 20 [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/A1/0135/20100135883.pdf [firstpage_image] =>[orig_patent_app_number] => 12555340 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/555340
CATALYST SUPPORTS Sep 7, 2009 Abandoned
Array ( [id] => 6535464 [patent_doc_number] => 20100221541 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-02 [patent_title] => 'Method of preparing silicas, silicas with specific pore-size and/or particle-size distributions, and the uses thereof, in particular for reinforcing polymers' [patent_app_type] => utility [patent_app_number] => 12/461689 [patent_app_country] => US [patent_app_date] => 2009-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 14627 [patent_no_of_claims] => 40 [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/A1/0221/20100221541.pdf [firstpage_image] =>[orig_patent_app_number] => 12461689 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/461689
Method of preparing silicas, silicas with specific pore-size and/or particle-size distributions, and the uses thereof, in particular for reinforcing polymers Aug 19, 2009 Abandoned
Array ( [id] => 4535070 [patent_doc_number] => 07888396 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-02-15 [patent_title] => 'Silicon dioxide dispersion' [patent_app_type] => utility [patent_app_number] => 12/536150 [patent_app_country] => US [patent_app_date] => 2009-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3101 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/888/07888396.pdf [firstpage_image] =>[orig_patent_app_number] => 12536150 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/536150
Silicon dioxide dispersion Aug 4, 2009 Issued
Array ( [id] => 5367416 [patent_doc_number] => 20090304975 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-10 [patent_title] => 'EPITAXIAL SILICON WAFER AND METHOD FOR PRODUCING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/478242 [patent_app_country] => US [patent_app_date] => 2009-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5505 [patent_no_of_claims] => 4 [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/A1/0304/20090304975.pdf [firstpage_image] =>[orig_patent_app_number] => 12478242 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/478242
EPITAXIAL SILICON WAFER AND METHOD FOR PRODUCING THE SAME Jun 3, 2009 Abandoned
Array ( [id] => 5302774 [patent_doc_number] => 20090297426 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-03 [patent_title] => 'SILICON WAFER' [patent_app_type] => utility [patent_app_number] => 12/475840 [patent_app_country] => US [patent_app_date] => 2009-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4199 [patent_no_of_claims] => 2 [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/A1/0297/20090297426.pdf [firstpage_image] =>[orig_patent_app_number] => 12475840 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/475840
SILICON WAFER May 31, 2009 Abandoned
Array ( [id] => 6579378 [patent_doc_number] => 20100290978 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-11-18 [patent_title] => 'Pyrolysis Reactor Materials and Methods' [patent_app_type] => utility [patent_app_number] => 12/467832 [patent_app_country] => US [patent_app_date] => 2009-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 20853 [patent_no_of_claims] => 42 [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/A1/0290/20100290978.pdf [firstpage_image] =>[orig_patent_app_number] => 12467832 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/467832
Pyrolysis reactor materials and methods May 17, 2009 Issued
Array ( [id] => 5484849 [patent_doc_number] => 20090274614 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-11-05 [patent_title] => 'HYDROGEN STORAGE MATERIAL AND PREPARATION THEREOF' [patent_app_type] => utility [patent_app_number] => 12/433227 [patent_app_country] => US [patent_app_date] => 2009-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3696 [patent_no_of_claims] => 20 [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/A1/0274/20090274614.pdf [firstpage_image] =>[orig_patent_app_number] => 12433227 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/433227
HYDROGEN STORAGE MATERIAL AND PREPARATION THEREOF Apr 29, 2009 Abandoned
Array ( [id] => 6362257 [patent_doc_number] => 20100087695 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-08 [patent_title] => 'ENHANCEMENT OF SURFACE-ACTIVE SOLID-PHASE HETEROGENEOUS CATALYSTS' [patent_app_type] => utility [patent_app_number] => 12/431551 [patent_app_country] => US [patent_app_date] => 2009-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 30 [patent_no_of_words] => 23732 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 15 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0087/20100087695.pdf [firstpage_image] =>[orig_patent_app_number] => 12431551 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/431551
ENHANCEMENT OF SURFACE-ACTIVE SOLID-PHASE HETEROGENEOUS CATALYSTS Apr 27, 2009 Abandoned
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