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] => 53081 [patent_doc_number] => 07767180 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-08-03 [patent_title] => 'Precipitated silicas having special surface properties' [patent_app_type] => utility [patent_app_number] => 11/754930 [patent_app_country] => US [patent_app_date] => 2007-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 23118 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/767/07767180.pdf [firstpage_image] =>[orig_patent_app_number] => 11754930 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/754930
Precipitated silicas having special surface properties May 28, 2007 Issued
Array ( [id] => 4839275 [patent_doc_number] => 20080279760 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-11-13 [patent_title] => 'Method of making titanium dioxide particles' [patent_app_type] => utility [patent_app_number] => 11/800958 [patent_app_country] => US [patent_app_date] => 2007-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3210 [patent_no_of_claims] => 17 [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/A1/0279/20080279760.pdf [firstpage_image] =>[orig_patent_app_number] => 11800958 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/800958
Method of making titanium dioxide particles May 7, 2007 Issued
Array ( [id] => 4444734 [patent_doc_number] => 07863217 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-01-04 [patent_title] => 'Exhaust gas purifying catalyst and exhaust gas purifying method' [patent_app_type] => utility [patent_app_number] => 11/790942 [patent_app_country] => US [patent_app_date] => 2007-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 10968 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/863/07863217.pdf [firstpage_image] =>[orig_patent_app_number] => 11790942 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/790942
Exhaust gas purifying catalyst and exhaust gas purifying method Apr 29, 2007 Issued
Array ( [id] => 5224618 [patent_doc_number] => 20070253884 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-11-01 [patent_title] => 'PROCESS FOR THE PRODUCTION OF FUMED SILICA' [patent_app_type] => utility [patent_app_number] => 11/740134 [patent_app_country] => US [patent_app_date] => 2007-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3798 [patent_no_of_claims] => 40 [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/A1/0253/20070253884.pdf [firstpage_image] =>[orig_patent_app_number] => 11740134 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/740134
Process for the production of fumed silica Apr 24, 2007 Issued
Array ( [id] => 5224836 [patent_doc_number] => 20070254102 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-11-01 [patent_title] => 'Method for producing SiOx (x < 1)' [patent_app_type] => utility [patent_app_number] => 11/790234 [patent_app_country] => US [patent_app_date] => 2007-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3053 [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/A1/0254/20070254102.pdf [firstpage_image] =>[orig_patent_app_number] => 11790234 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/790234
Method for producing SiOx (x < 1) Apr 23, 2007 Abandoned
Array ( [id] => 6573891 [patent_doc_number] => 20100307403 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-12-09 [patent_title] => '(110) DISLOCATION-FREE MONOCRYSTALLINE SILICON AND ITS PREPARATION AND THE GRAPHITE HEAT SYSTEM USED' [patent_app_type] => utility [patent_app_number] => 12/377681 [patent_app_country] => US [patent_app_date] => 2007-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3779 [patent_no_of_claims] => 10 [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/A1/0307/20100307403.pdf [firstpage_image] =>[orig_patent_app_number] => 12377681 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/377681
(110) DISLOCATION-FREE MONOCRYSTALLINE SILICON AND ITS PREPARATION AND THE GRAPHITE HEAT SYSTEM USED Apr 18, 2007 Abandoned
Array ( [id] => 5046486 [patent_doc_number] => 20070265160 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-11-15 [patent_title] => 'Exhaust gas purification catalyst' [patent_app_type] => utility [patent_app_number] => 11/785461 [patent_app_country] => US [patent_app_date] => 2007-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4763 [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/A1/0265/20070265160.pdf [firstpage_image] =>[orig_patent_app_number] => 11785461 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/785461
Exhaust gas purification catalyst Apr 17, 2007 Abandoned
Array ( [id] => 7687291 [patent_doc_number] => 20090177000 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-07-09 [patent_title] => 'ALKYLENE OXIDE CATALYST AND USE THEREOF' [patent_app_type] => utility [patent_app_number] => 12/297331 [patent_app_country] => US [patent_app_date] => 2007-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 23957 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0177/20090177000.pdf [firstpage_image] =>[orig_patent_app_number] => 12297331 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/297331
ALKYLENE OXIDE CATALYST AND USE THEREOF Apr 16, 2007 Abandoned
Array ( [id] => 4886296 [patent_doc_number] => 20080260628 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-23 [patent_title] => 'Ni-based catalyst for tri-reforming of methane and its catalysis application for the production of syngas' [patent_app_type] => utility [patent_app_number] => 11/787555 [patent_app_country] => US [patent_app_date] => 2007-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6627 [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/A1/0260/20080260628.pdf [firstpage_image] =>[orig_patent_app_number] => 11787555 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/787555
Ni-based catalyst for tri-reforming of methane and its catalysis application for the production of syngas Apr 16, 2007 Abandoned
Array ( [id] => 41945 [patent_doc_number] => 07780938 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-08-24 [patent_title] => 'Production of silicon through a closed-loop process' [patent_app_type] => utility [patent_app_number] => 11/735234 [patent_app_country] => US [patent_app_date] => 2007-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 6549 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/780/07780938.pdf [firstpage_image] =>[orig_patent_app_number] => 11735234 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/735234
Production of silicon through a closed-loop process Apr 12, 2007 Issued
Array ( [id] => 5126338 [patent_doc_number] => 20070238609 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-10-11 [patent_title] => 'Oxidation catalyst for cleaning exhaust gas' [patent_app_type] => utility [patent_app_number] => 11/730858 [patent_app_country] => US [patent_app_date] => 2007-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3432 [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/A1/0238/20070238609.pdf [firstpage_image] =>[orig_patent_app_number] => 11730858 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/730858
Oxidation catalyst for cleaning exhaust gas Apr 3, 2007 Issued
Array ( [id] => 5062454 [patent_doc_number] => 20070224093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-09-27 [patent_title] => 'Exhaust gas purifying system' [patent_app_type] => utility [patent_app_number] => 11/725442 [patent_app_country] => US [patent_app_date] => 2007-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7012 [patent_no_of_claims] => 12 [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/A1/0224/20070224093.pdf [firstpage_image] =>[orig_patent_app_number] => 11725442 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/725442
Exhaust gas purifying system Mar 19, 2007 Issued
Array ( [id] => 5538593 [patent_doc_number] => 20090220398 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-09-03 [patent_title] => 'CATALYST COMPOSITIONS FOR THE TREATMENT OF VEHICULAR EXHAUST GASES COMPRISE ZIRCONIUM OXIDE AND CERIUM OXIDE, AND HAVE A HIGH REDUCIBILITY AND A STABLE SPECIFIC SURFACE AREA' [patent_app_type] => utility [patent_app_number] => 12/293332 [patent_app_country] => US [patent_app_date] => 2007-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8289 [patent_no_of_claims] => 19 [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/A1/0220/20090220398.pdf [firstpage_image] =>[orig_patent_app_number] => 12293332 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/293332
Catalyst compositions for the treatment of vehicular exhaust gases comprise zirconium oxide and cerium oxide, and have a high reducibility and a stable specific surface area Mar 18, 2007 Issued
Array ( [id] => 4989283 [patent_doc_number] => 20070155624 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-05 [patent_title] => 'Cerium/zirconium-base composite oxide, method for producing the same, oxygen storage/release component using said cerium-zirconium-base composite oxide, exhaust gas purification catalyst, and exhaust gas purification method using the same' [patent_app_type] => utility [patent_app_number] => 11/717162 [patent_app_country] => US [patent_app_date] => 2007-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 9135 [patent_no_of_claims] => 17 [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/A1/0155/20070155624.pdf [firstpage_image] =>[orig_patent_app_number] => 11717162 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/717162
Cerium/zirconium-base composite oxide, method for producing the same, oxygen storage/release component using said cerium-zirconium-base composite oxide, exhaust gas purification catalyst, and exhaust gas purification method using the same Mar 12, 2007 Issued
Array ( [id] => 5536061 [patent_doc_number] => 20090217866 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-09-03 [patent_title] => 'METHOD FOR PRODUCING Si SINGLE CRYSTAL INGOT BY CZ METHOD' [patent_app_type] => utility [patent_app_number] => 12/281624 [patent_app_country] => US [patent_app_date] => 2007-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4201 [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/A1/0217/20090217866.pdf [firstpage_image] =>[orig_patent_app_number] => 12281624 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/281624
METHOD FOR PRODUCING Si SINGLE CRYSTAL INGOT BY CZ METHOD Mar 1, 2007 Abandoned
Array ( [id] => 5112330 [patent_doc_number] => 20070196245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-23 [patent_title] => 'DIESEL PARTICULATE FILTER' [patent_app_type] => utility [patent_app_number] => 11/675855 [patent_app_country] => US [patent_app_date] => 2007-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6956 [patent_no_of_claims] => 10 [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/A1/0196/20070196245.pdf [firstpage_image] =>[orig_patent_app_number] => 11675855 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/675855
DIESEL PARTICULATE FILTER Feb 15, 2007 Abandoned
Array ( [id] => 5176313 [patent_doc_number] => 20070177372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-02 [patent_title] => 'PHOTOCATALYTIC MATERIAL, PHOTOCATALYST, PHOTOCATALYTIC PRODUCT, LIGHTING APPARATUS, AND METHOD OF PRODUCING PHOTOCATALYTIC MATERIAL' [patent_app_type] => utility [patent_app_number] => 11/669236 [patent_app_country] => US [patent_app_date] => 2007-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 8235 [patent_no_of_claims] => 7 [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/A1/0177/20070177372.pdf [firstpage_image] =>[orig_patent_app_number] => 11669236 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/669236
PHOTOCATALYTIC MATERIAL, PHOTOCATALYST, PHOTOCATALYTIC PRODUCT, LIGHTING APPARATUS, AND METHOD OF PRODUCING PHOTOCATALYTIC MATERIAL Jan 30, 2007 Abandoned
Array ( [id] => 5210912 [patent_doc_number] => 20070249496 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-10-25 [patent_title] => 'Catalyst for Production of Hydrogen' [patent_app_type] => utility [patent_app_number] => 11/622360 [patent_app_country] => US [patent_app_date] => 2007-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7795 [patent_no_of_claims] => 15 [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/A1/0249/20070249496.pdf [firstpage_image] =>[orig_patent_app_number] => 11622360 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/622360
Catalyst for Production of Hydrogen Jan 10, 2007 Abandoned
Array ( [id] => 4692461 [patent_doc_number] => 20080085232 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-04-10 [patent_title] => 'Method of preparing silica nanoparticles from siliceous mudstone' [patent_app_type] => utility [patent_app_number] => 11/639450 [patent_app_country] => US [patent_app_date] => 2006-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2487 [patent_no_of_claims] => 7 [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/A1/0085/20080085232.pdf [firstpage_image] =>[orig_patent_app_number] => 11639450 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/639450
Method of preparing silica nanoparticles from siliceous mudstone Dec 14, 2006 Issued
Array ( [id] => 5023425 [patent_doc_number] => 20070149391 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-06-28 [patent_title] => 'LOW TEMPERATURE AMMONIA REMEDIATION CATALYSTS' [patent_app_type] => utility [patent_app_number] => 11/567750 [patent_app_country] => US [patent_app_date] => 2006-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 5792 [patent_no_of_claims] => 27 [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/A1/0149/20070149391.pdf [firstpage_image] =>[orig_patent_app_number] => 11567750 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/567750
Low temperature ammonia remediation catalysts Dec 6, 2006 Issued
Menu