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] => 3868301 [patent_doc_number] => 05746907 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-05 [patent_title] => 'Method to remove metals from residuals' [patent_app_type] => 1 [patent_app_number] => 8/603491 [patent_app_country] => US [patent_app_date] => 1996-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 4557 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/746/05746907.pdf [firstpage_image] =>[orig_patent_app_number] => 603491 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/603491
Method to remove metals from residuals Feb 19, 1996 Issued
Array ( [id] => 3828207 [patent_doc_number] => 05731485 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-03-24 [patent_title] => 'Method of controlling a heater using heat flux ratios' [patent_app_type] => 1 [patent_app_number] => 8/600384 [patent_app_country] => US [patent_app_date] => 1996-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2995 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/731/05731485.pdf [firstpage_image] =>[orig_patent_app_number] => 600384 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/600384
Method of controlling a heater using heat flux ratios Feb 11, 1996 Issued
Array ( [id] => 3842450 [patent_doc_number] => 05847254 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-08 [patent_title] => 'Alkylation of benzene to form linear alkylbenzenes using fluorine-containing mordenites' [patent_app_type] => 1 [patent_app_number] => 8/598692 [patent_app_country] => US [patent_app_date] => 1996-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6260 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/847/05847254.pdf [firstpage_image] =>[orig_patent_app_number] => 598692 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/598692
Alkylation of benzene to form linear alkylbenzenes using fluorine-containing mordenites Feb 7, 1996 Issued
08/595713 HYDROISOMERIZATION WITH REDUCED HYDROCRACKING Feb 1, 1996 Abandoned
Array ( [id] => 1567940 [patent_doc_number] => 06376733 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-23 [patent_title] => 'Process for production of paraxylene' [patent_app_type] => B1 [patent_app_number] => 08/591064 [patent_app_country] => US [patent_app_date] => 1996-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8986 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/376/06376733.pdf [firstpage_image] =>[orig_patent_app_number] => 08591064 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/591064
Process for production of paraxylene Jan 24, 1996 Issued
Array ( [id] => 4067190 [patent_doc_number] => 05866743 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-02 [patent_title] => 'Hydrodealkylation processes' [patent_app_type] => 1 [patent_app_number] => 8/584159 [patent_app_country] => US [patent_app_date] => 1996-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 12307 [patent_no_of_claims] => 68 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/866/05866743.pdf [firstpage_image] =>[orig_patent_app_number] => 584159 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/584159
Hydrodealkylation processes Jan 10, 1996 Issued
Array ( [id] => 3808540 [patent_doc_number] => 05770040 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-23 [patent_title] => 'MTW zeolite for cracking feedstock into olefins and isoparaffins' [patent_app_type] => 1 [patent_app_number] => 8/583568 [patent_app_country] => US [patent_app_date] => 1996-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 6312 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/770/05770040.pdf [firstpage_image] =>[orig_patent_app_number] => 583568 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/583568
MTW zeolite for cracking feedstock into olefins and isoparaffins Jan 4, 1996 Issued
08/578295 INTEGRATED HYDROPROCESSING SCHEME WITH SEGREGATED RECYCLE Dec 25, 1995 Abandoned
Array ( [id] => 1535969 [patent_doc_number] => 06489527 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-03 [patent_title] => 'Process for improving purity of para-xylene product' [patent_app_type] => B1 [patent_app_number] => 08/575443 [patent_app_country] => US [patent_app_date] => 1995-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4388 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/489/06489527.pdf [firstpage_image] =>[orig_patent_app_number] => 08575443 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/575443
Process for improving purity of para-xylene product Dec 19, 1995 Issued
Array ( [id] => 3752584 [patent_doc_number] => 05851382 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-22 [patent_title] => 'Selective hydrodesulfurization of cracked naphtha using hydrotalcite-supported catalysts' [patent_app_type] => 1 [patent_app_number] => 8/573747 [patent_app_country] => US [patent_app_date] => 1995-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9496 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 317 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/851/05851382.pdf [firstpage_image] =>[orig_patent_app_number] => 573747 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/573747
Selective hydrodesulfurization of cracked naphtha using hydrotalcite-supported catalysts Dec 17, 1995 Issued
Array ( [id] => 3808624 [patent_doc_number] => 05770046 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-23 [patent_title] => 'Selective hydrodesulfurization of cracked naphtha using novel catalysts' [patent_app_type] => 1 [patent_app_number] => 8/573789 [patent_app_country] => US [patent_app_date] => 1995-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8330 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/770/05770046.pdf [firstpage_image] =>[orig_patent_app_number] => 573789 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/573789
Selective hydrodesulfurization of cracked naphtha using novel catalysts Dec 17, 1995 Issued
Array ( [id] => 3652216 [patent_doc_number] => 05626741 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-05-06 [patent_title] => 'Catalytic cracking with quenching' [patent_app_type] => 1 [patent_app_number] => 8/572087 [patent_app_country] => US [patent_app_date] => 1995-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 16 [patent_no_of_words] => 14721 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/626/05626741.pdf [firstpage_image] =>[orig_patent_app_number] => 572087 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/572087
Catalytic cracking with quenching Dec 13, 1995 Issued
Array ( [id] => 3763186 [patent_doc_number] => 05733439 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-03-31 [patent_title] => 'Hydrocarbon conversion processes using substituted fluoride smectite clays' [patent_app_type] => 1 [patent_app_number] => 8/571665 [patent_app_country] => US [patent_app_date] => 1995-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4185 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/733/05733439.pdf [firstpage_image] =>[orig_patent_app_number] => 571665 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/571665
Hydrocarbon conversion processes using substituted fluoride smectite clays Dec 12, 1995 Issued
Array ( [id] => 3870858 [patent_doc_number] => 05804060 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-08 [patent_title] => 'Method of and apparatus for producing power in solvent deasphalting units' [patent_app_type] => 1 [patent_app_number] => 8/572185 [patent_app_country] => US [patent_app_date] => 1995-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4909 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/804/05804060.pdf [firstpage_image] =>[orig_patent_app_number] => 572185 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/572185
Method of and apparatus for producing power in solvent deasphalting units Dec 12, 1995 Issued
Array ( [id] => 3627687 [patent_doc_number] => 05609752 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-11 [patent_title] => 'Process for Cetane improvement of distillate fractions' [patent_app_type] => 1 [patent_app_number] => 8/570808 [patent_app_country] => US [patent_app_date] => 1995-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5393 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/609/05609752.pdf [firstpage_image] =>[orig_patent_app_number] => 570808 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/570808
Process for Cetane improvement of distillate fractions Dec 11, 1995 Issued
08/571051 VISCOSITY REDUCTION BY HEAT SOAK-INDUCED NAPHTHENIC ACID DECOMPOSITION IN HYDROCARBON OILS Dec 11, 1995 Abandoned
Array ( [id] => 3881308 [patent_doc_number] => 05833839 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-10 [patent_title] => 'High purity paraffinic solvent compositions, and process for their manufacture' [patent_app_type] => 1 [patent_app_number] => 8/569466 [patent_app_country] => US [patent_app_date] => 1995-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3520 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/833/05833839.pdf [firstpage_image] =>[orig_patent_app_number] => 569466 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/569466
High purity paraffinic solvent compositions, and process for their manufacture Dec 7, 1995 Issued
Array ( [id] => 3853388 [patent_doc_number] => 05792338 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-11 [patent_title] => 'BTX from naphtha without extraction' [patent_app_type] => 1 [patent_app_number] => 8/567663 [patent_app_country] => US [patent_app_date] => 1995-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 13058 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 391 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/792/05792338.pdf [firstpage_image] =>[orig_patent_app_number] => 567663 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/567663
BTX from naphtha without extraction Dec 4, 1995 Issued
Array ( [id] => 3972746 [patent_doc_number] => 05958217 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-28 [patent_title] => 'Two-stage reforming process that enhances para-xylene yield and minimizes ethylbenzene production' [patent_app_type] => 1 [patent_app_number] => 8/559525 [patent_app_country] => US [patent_app_date] => 1995-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6410 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/958/05958217.pdf [firstpage_image] =>[orig_patent_app_number] => 559525 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/559525
Two-stage reforming process that enhances para-xylene yield and minimizes ethylbenzene production Nov 14, 1995 Issued
Array ( [id] => 3660702 [patent_doc_number] => 05659098 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-08-19 [patent_title] => 'High conversion touluene disproportionation with ex situ selectivated zeolite catalysts' [patent_app_type] => 1 [patent_app_number] => 8/558312 [patent_app_country] => US [patent_app_date] => 1995-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6905 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/659/05659098.pdf [firstpage_image] =>[orig_patent_app_number] => 558312 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/558312
High conversion touluene disproportionation with ex situ selectivated zeolite catalysts Nov 14, 1995 Issued
Menu