Search

Walter Dean Griffin

Supervisory Patent Examiner (ID: 12156, Phone: (571)272-1447 , Office: P/1774 )

Most Active Art Unit
1764
Art Unit(s)
1797, 1754, 1109, 1106, 1764, 1774
Total Applications
1405
Issued Applications
856
Pending Applications
234
Abandoned Applications
315

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 996249 [patent_doc_number] => 06913688 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-07-05 [patent_title] => 'Multi-stage hydrodesulfurization of cracked naphtha streams with interstage fractionation' [patent_app_type] => utility [patent_app_number] => 10/274021 [patent_app_country] => US [patent_app_date] => 2002-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4260 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/913/06913688.pdf [firstpage_image] =>[orig_patent_app_number] => 10274021 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/274021
Multi-stage hydrodesulfurization of cracked naphtha streams with interstage fractionation Oct 17, 2002 Issued
Array ( [id] => 723077 [patent_doc_number] => 07045056 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-05-16 [patent_title] => 'CO oxidation promoters for use in FCC processes' [patent_app_type] => utility [patent_app_number] => 10/268256 [patent_app_country] => US [patent_app_date] => 2002-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4485 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/045/07045056.pdf [firstpage_image] =>[orig_patent_app_number] => 10268256 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/268256
CO oxidation promoters for use in FCC processes Oct 9, 2002 Issued
Array ( [id] => 729404 [patent_doc_number] => 07041866 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-05-09 [patent_title] => 'Solid-acid isomerization catalyst and process' [patent_app_type] => utility [patent_app_number] => 10/267425 [patent_app_country] => US [patent_app_date] => 2002-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5266 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/041/07041866.pdf [firstpage_image] =>[orig_patent_app_number] => 10267425 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/267425
Solid-acid isomerization catalyst and process Oct 7, 2002 Issued
Array ( [id] => 6689124 [patent_doc_number] => 20030032850 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-02-13 [patent_title] => 'Process for BTX purification' [patent_app_type] => new [patent_app_number] => 10/266415 [patent_app_country] => US [patent_app_date] => 2002-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6093 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0032/20030032850.pdf [firstpage_image] =>[orig_patent_app_number] => 10266415 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/266415
Process for BTX purification Oct 7, 2002 Abandoned
Array ( [id] => 735495 [patent_doc_number] => 07033488 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-04-25 [patent_title] => 'Method of removing and replacing catalyst in a multi-reactor cascade configuration' [patent_app_type] => utility [patent_app_number] => 10/264426 [patent_app_country] => US [patent_app_date] => 2002-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 5266 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/033/07033488.pdf [firstpage_image] =>[orig_patent_app_number] => 10264426 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/264426
Method of removing and replacing catalyst in a multi-reactor cascade configuration Oct 3, 2002 Issued
Array ( [id] => 7430861 [patent_doc_number] => 20040065590 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-08 [patent_title] => 'Nozzle/mixer assembly' [patent_app_type] => new [patent_app_number] => 10/264262 [patent_app_country] => US [patent_app_date] => 2002-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2482 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0065/20040065590.pdf [firstpage_image] =>[orig_patent_app_number] => 10264262 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/264262
Nozzle/mixer assembly Oct 3, 2002 Issued
Array ( [id] => 6704041 [patent_doc_number] => 20030150775 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-14 [patent_title] => 'Cycle oil conversion process' [patent_app_type] => new [patent_app_number] => 10/264445 [patent_app_country] => US [patent_app_date] => 2002-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6266 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0150/20030150775.pdf [firstpage_image] =>[orig_patent_app_number] => 10264445 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/264445
Cycle oil conversion process Oct 1, 2002 Issued
Array ( [id] => 1103444 [patent_doc_number] => 06811682 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-11-02 [patent_title] => 'Cycle oil conversion process' [patent_app_type] => B2 [patent_app_number] => 10/264449 [patent_app_country] => US [patent_app_date] => 2002-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6000 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/811/06811682.pdf [firstpage_image] =>[orig_patent_app_number] => 10264449 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/264449
Cycle oil conversion process Oct 1, 2002 Issued
Array ( [id] => 6742607 [patent_doc_number] => 20030019790 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-01-30 [patent_title] => 'Heavy oil upgrading processes' [patent_app_type] => new [patent_app_number] => 10/253336 [patent_app_country] => US [patent_app_date] => 2002-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3230 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0019/20030019790.pdf [firstpage_image] =>[orig_patent_app_number] => 10253336 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/253336
Heavy oil upgrading processes Sep 23, 2002 Abandoned
Array ( [id] => 6644858 [patent_doc_number] => 20030075480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-04-24 [patent_title] => 'Process for controlling oxidation of nitrogen and metals in circulating fluidized solids contacting process' [patent_app_type] => new [patent_app_number] => 10/252055 [patent_app_country] => US [patent_app_date] => 2002-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6961 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0075/20030075480.pdf [firstpage_image] =>[orig_patent_app_number] => 10252055 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/252055
Process for controlling oxidation of nitrogen and metals in circulating fluidized solids contacting process Sep 22, 2002 Abandoned
Array ( [id] => 7267347 [patent_doc_number] => 20040055865 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-03-25 [patent_title] => 'Method of producing charcoal from biomass' [patent_app_type] => new [patent_app_number] => 10/254950 [patent_app_country] => US [patent_app_date] => 2002-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4247 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0055/20040055865.pdf [firstpage_image] =>[orig_patent_app_number] => 10254950 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/254950
Method of producing charcoal from biomass Sep 22, 2002 Abandoned
Array ( [id] => 7267414 [patent_doc_number] => 20040055932 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-03-25 [patent_title] => 'Inhibition of viscosity increase and fouling in hydrocarbon streams including unsaturation' [patent_app_type] => new [patent_app_number] => 10/251564 [patent_app_country] => US [patent_app_date] => 2002-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2066 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0055/20040055932.pdf [firstpage_image] =>[orig_patent_app_number] => 10251564 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/251564
Inhibition of viscosity increase and fouling in hydrocarbon streams including unsaturation Sep 19, 2002 Issued
Array ( [id] => 6780716 [patent_doc_number] => 20030062163 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-04-03 [patent_title] => 'Pretreatment processes for heavy oil and carbonaceous materials' [patent_app_type] => new [patent_app_number] => 10/244380 [patent_app_country] => US [patent_app_date] => 2002-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 8097 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0062/20030062163.pdf [firstpage_image] =>[orig_patent_app_number] => 10244380 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/244380
Pretreatment processes for heavy oil and carbonaceous materials Sep 16, 2002 Issued
10/243524 Isomerization catalyst and process Sep 12, 2002 Abandoned
Array ( [id] => 768097 [patent_doc_number] => 07005057 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-02-28 [patent_title] => 'Hydrocracking process for the production of ultra low sulfur diesel' [patent_app_type] => utility [patent_app_number] => 10/238511 [patent_app_country] => US [patent_app_date] => 2002-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5514 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/005/07005057.pdf [firstpage_image] =>[orig_patent_app_number] => 10238511 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/238511
Hydrocracking process for the production of ultra low sulfur diesel Sep 4, 2002 Issued
Array ( [id] => 7129864 [patent_doc_number] => 20040040893 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-03-04 [patent_title] => 'Stripping process and apparatus' [patent_app_type] => new [patent_app_number] => 10/228516 [patent_app_country] => US [patent_app_date] => 2002-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2233 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0040/20040040893.pdf [firstpage_image] =>[orig_patent_app_number] => 10228516 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/228516
Stripping process and apparatus Aug 26, 2002 Abandoned
Array ( [id] => 6671533 [patent_doc_number] => 20030057136 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-03-27 [patent_title] => 'Process for recovering sulfur while sponging light hydrocarbons from hydrodesulfurization hydrogen recycle streams' [patent_app_type] => new [patent_app_number] => 10/223843 [patent_app_country] => US [patent_app_date] => 2002-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4391 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0057/20030057136.pdf [firstpage_image] =>[orig_patent_app_number] => 10223843 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/223843
Process for recovering sulfur while sponging light hydrocarbons from hydrodesulfurization hydrogen recycle streams Aug 19, 2002 Abandoned
Array ( [id] => 6752367 [patent_doc_number] => 20030000143 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-01-02 [patent_title] => 'Desulphurisation' [patent_app_type] => new [patent_app_number] => 10/222905 [patent_app_country] => US [patent_app_date] => 2002-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2475 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0000/20030000143.pdf [firstpage_image] =>[orig_patent_app_number] => 10222905 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/222905
Desulphurisation Aug 18, 2002 Abandoned
Array ( [id] => 748210 [patent_doc_number] => 07022221 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-04-04 [patent_title] => 'Stripping apparatus and process' [patent_app_type] => utility [patent_app_number] => 10/223335 [patent_app_country] => US [patent_app_date] => 2002-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6166 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/022/07022221.pdf [firstpage_image] =>[orig_patent_app_number] => 10223335 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/223335
Stripping apparatus and process Aug 15, 2002 Issued
Array ( [id] => 6486731 [patent_doc_number] => 20020189668 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-12-19 [patent_title] => 'System and method for cracking hydrocarbons to reduce viscosity of crude oil for improved pumping' [patent_app_type] => new [patent_app_number] => 10/218015 [patent_app_country] => US [patent_app_date] => 2002-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2033 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0189/20020189668.pdf [firstpage_image] =>[orig_patent_app_number] => 10218015 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/218015
System and method for cracking hydrocarbons to reduce viscosity of crude oil for improved pumping Aug 11, 2002 Abandoned
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