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] => 4278847 [patent_doc_number] => 06210561 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-03 [patent_title] => 'Steam cracking of hydrotreated and hydrogenated hydrocarbon feeds' [patent_app_type] => 1 [patent_app_number] => 8/854017 [patent_app_country] => US [patent_app_date] => 1997-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 11860 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 374 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/210/06210561.pdf [firstpage_image] =>[orig_patent_app_number] => 854017 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/854017
Steam cracking of hydrotreated and hydrogenated hydrocarbon feeds May 7, 1997 Issued
Array ( [id] => 4350464 [patent_doc_number] => 06190533 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-20 [patent_title] => 'Integrated hydrotreating steam cracking process for the production of olefins' [patent_app_type] => 1 [patent_app_number] => 8/848438 [patent_app_country] => US [patent_app_date] => 1997-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6057 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/190/06190533.pdf [firstpage_image] =>[orig_patent_app_number] => 848438 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/848438
Integrated hydrotreating steam cracking process for the production of olefins May 7, 1997 Issued
Array ( [id] => 3934573 [patent_doc_number] => 05976352 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-02 [patent_title] => 'Process for thermal conversion of hydrocarbons to aliphatic hydrocarbons which are more unsaturated than the starting products, combining a steam cracking step and a pyrolysis step' [patent_app_type] => 1 [patent_app_number] => 8/851998 [patent_app_country] => US [patent_app_date] => 1997-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4715 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 351 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/976/05976352.pdf [firstpage_image] =>[orig_patent_app_number] => 851998 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/851998
Process for thermal conversion of hydrocarbons to aliphatic hydrocarbons which are more unsaturated than the starting products, combining a steam cracking step and a pyrolysis step May 5, 1997 Issued
Array ( [id] => 4409450 [patent_doc_number] => 06232516 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-15 [patent_title] => 'Process for cyclopentadiene substitution' [patent_app_type] => 1 [patent_app_number] => 8/850930 [patent_app_country] => US [patent_app_date] => 1997-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 8374 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/232/06232516.pdf [firstpage_image] =>[orig_patent_app_number] => 850930 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/850930
Process for cyclopentadiene substitution May 1, 1997 Issued
Array ( [id] => 4228787 [patent_doc_number] => 06143167 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-07 [patent_title] => 'NO.sub.x reduction compositions for use in FCC processes' [patent_app_type] => 1 [patent_app_number] => 8/848354 [patent_app_country] => US [patent_app_date] => 1997-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2475 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/143/06143167.pdf [firstpage_image] =>[orig_patent_app_number] => 848354 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/848354
NO.sub.x reduction compositions for use in FCC processes Apr 27, 1997 Issued
Array ( [id] => 4146919 [patent_doc_number] => 06123834 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-26 [patent_title] => 'Catalytic upgrade of naphtha' [patent_app_type] => 1 [patent_app_number] => 8/844052 [patent_app_country] => US [patent_app_date] => 1997-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2527 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/123/06123834.pdf [firstpage_image] =>[orig_patent_app_number] => 844052 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/844052
Catalytic upgrade of naphtha Apr 17, 1997 Issued
Array ( [id] => 4186678 [patent_doc_number] => 06129834 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-10 [patent_title] => 'NO.sub.x reduction compositions for use in FCC processes' [patent_app_type] => 1 [patent_app_number] => 8/833750 [patent_app_country] => US [patent_app_date] => 1997-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2482 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/129/06129834.pdf [firstpage_image] =>[orig_patent_app_number] => 833750 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/833750
NO.sub.x reduction compositions for use in FCC processes Apr 8, 1997 Issued
Array ( [id] => 4238161 [patent_doc_number] => 06090744 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-18 [patent_title] => 'Catalyst for cleaning exhaust gas' [patent_app_type] => 1 [patent_app_number] => 8/828029 [patent_app_country] => US [patent_app_date] => 1997-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 23 [patent_no_of_words] => 11455 [patent_no_of_claims] => 19 [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/06/090/06090744.pdf [firstpage_image] =>[orig_patent_app_number] => 828029 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/828029
Catalyst for cleaning exhaust gas Mar 26, 1997 Issued
Array ( [id] => 4039706 [patent_doc_number] => 05968342 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-19 [patent_title] => 'Zeolite catalyst and method of converting hydrocarbons using the same' [patent_app_type] => 1 [patent_app_number] => 8/809830 [patent_app_country] => US [patent_app_date] => 1997-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9143 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/968/05968342.pdf [firstpage_image] =>[orig_patent_app_number] => 809830 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/809830
Zeolite catalyst and method of converting hydrocarbons using the same Mar 20, 1997 Issued
Array ( [id] => 4193339 [patent_doc_number] => 06153804 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-28 [patent_title] => 'Production of cyclopentane and/or cyclopentene from partially hydrogenated pyrolysis gasoline' [patent_app_type] => 1 [patent_app_number] => 8/820284 [patent_app_country] => US [patent_app_date] => 1997-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1580 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/153/06153804.pdf [firstpage_image] =>[orig_patent_app_number] => 820284 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/820284
Production of cyclopentane and/or cyclopentene from partially hydrogenated pyrolysis gasoline Mar 17, 1997 Issued
Array ( [id] => 3784831 [patent_doc_number] => 05779883 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-07-14 [patent_title] => 'Hydrodesulfurization process utilizing a distillation column realtor' [patent_app_type] => 1 [patent_app_number] => 8/819491 [patent_app_country] => US [patent_app_date] => 1997-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3556 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/779/05779883.pdf [firstpage_image] =>[orig_patent_app_number] => 819491 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/819491
Hydrodesulfurization process utilizing a distillation column realtor Mar 16, 1997 Issued
Array ( [id] => 3984165 [patent_doc_number] => 05891324 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-06 [patent_title] => 'Acid-containing activated carbon for adsorbing mercury from liquid hydrocarbons' [patent_app_type] => 1 [patent_app_number] => 8/807082 [patent_app_country] => US [patent_app_date] => 1997-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6422 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/891/05891324.pdf [firstpage_image] =>[orig_patent_app_number] => 807082 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/807082
Acid-containing activated carbon for adsorbing mercury from liquid hydrocarbons Feb 26, 1997 Issued
Array ( [id] => 3991142 [patent_doc_number] => 05858208 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-01-12 [patent_title] => 'Methods for improving conversion in fluidized catalytic cracking units' [patent_app_type] => 1 [patent_app_number] => 8/858178 [patent_app_country] => US [patent_app_date] => 1997-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6115 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/858/05858208.pdf [firstpage_image] =>[orig_patent_app_number] => 858178 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/858178
Methods for improving conversion in fluidized catalytic cracking units Feb 24, 1997 Issued
Array ( [id] => 3808554 [patent_doc_number] => 05770041 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-23 [patent_title] => 'Non-enolizable oxygenates as antifoulants' [patent_app_type] => 1 [patent_app_number] => 8/804050 [patent_app_country] => US [patent_app_date] => 1997-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3749 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/770/05770041.pdf [firstpage_image] =>[orig_patent_app_number] => 804050 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/804050
Non-enolizable oxygenates as antifoulants Feb 20, 1997 Issued
Array ( [id] => 4322770 [patent_doc_number] => 06312587 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-06 [patent_title] => 'Method of treating polychlorinated aromatic compound' [patent_app_type] => 1 [patent_app_number] => 8/789160 [patent_app_country] => US [patent_app_date] => 1997-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3348 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/312/06312587.pdf [firstpage_image] =>[orig_patent_app_number] => 789160 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/789160
Method of treating polychlorinated aromatic compound Jan 23, 1997 Issued
Array ( [id] => 4186003 [patent_doc_number] => 06042798 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-28 [patent_title] => 'Method of desulfurization of hydrocarbons' [patent_app_type] => 1 [patent_app_number] => 8/785379 [patent_app_country] => US [patent_app_date] => 1997-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5661 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/042/06042798.pdf [firstpage_image] =>[orig_patent_app_number] => 785379 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/785379
Method of desulfurization of hydrocarbons Jan 20, 1997 Issued
Array ( [id] => 3919430 [patent_doc_number] => 05914028 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-22 [patent_title] => 'Reforming process with catalyst pretreatment' [patent_app_type] => 1 [patent_app_number] => 8/781433 [patent_app_country] => US [patent_app_date] => 1997-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 9845 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/914/05914028.pdf [firstpage_image] =>[orig_patent_app_number] => 781433 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/781433
Reforming process with catalyst pretreatment Jan 9, 1997 Issued
Array ( [id] => 3769077 [patent_doc_number] => 05817228 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-06 [patent_title] => 'Method for anodically demetallating refinery feedstreams' [patent_app_type] => 1 [patent_app_number] => 8/771107 [patent_app_country] => US [patent_app_date] => 1996-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1813 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/817/05817228.pdf [firstpage_image] =>[orig_patent_app_number] => 771107 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/771107
Method for anodically demetallating refinery feedstreams Dec 19, 1996 Issued
Array ( [id] => 4175298 [patent_doc_number] => 06149773 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-21 [patent_title] => 'Generation of electricity from waste material' [patent_app_type] => 1 [patent_app_number] => 8/768028 [patent_app_country] => US [patent_app_date] => 1996-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 4275 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/149/06149773.pdf [firstpage_image] =>[orig_patent_app_number] => 768028 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/768028
Generation of electricity from waste material Dec 12, 1996 Issued
Array ( [id] => 3751789 [patent_doc_number] => 05843302 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-01 [patent_title] => 'Solvent deasphalting unit capable of generating power' [patent_app_type] => 1 [patent_app_number] => 8/764264 [patent_app_country] => US [patent_app_date] => 1996-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2618 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/843/05843302.pdf [firstpage_image] =>[orig_patent_app_number] => 764264 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/764264
Solvent deasphalting unit capable of generating power Dec 11, 1996 Issued
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