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] => 4415555 [patent_doc_number] => 06224749 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-01 [patent_title] => 'Liquid and vapor stage hydroprocessing using once-through hydrogen' [patent_app_type] => 1 [patent_app_number] => 9/073415 [patent_app_country] => US [patent_app_date] => 1998-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4405 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/224/06224749.pdf [firstpage_image] =>[orig_patent_app_number] => 073415 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/073415
Liquid and vapor stage hydroprocessing using once-through hydrogen May 5, 1998 Issued
Array ( [id] => 4172178 [patent_doc_number] => 06036844 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-14 [patent_title] => 'Three stage hydroprocessing including a vapor stage' [patent_app_type] => 1 [patent_app_number] => 9/073413 [patent_app_country] => US [patent_app_date] => 1998-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5979 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/036/06036844.pdf [firstpage_image] =>[orig_patent_app_number] => 073413 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/073413
Three stage hydroprocessing including a vapor stage May 5, 1998 Issued
Array ( [id] => 4016860 [patent_doc_number] => 05925237 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-20 [patent_title] => 'Method for inhibiting the rate of coke formation during the zeolite catalyzed aromatization of hydrocarbons' [patent_app_type] => 1 [patent_app_number] => 9/073326 [patent_app_country] => US [patent_app_date] => 1998-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2685 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/925/05925237.pdf [firstpage_image] =>[orig_patent_app_number] => 073326 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/073326
Method for inhibiting the rate of coke formation during the zeolite catalyzed aromatization of hydrocarbons May 5, 1998 Issued
Array ( [id] => 4146321 [patent_doc_number] => 06106697 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-22 [patent_title] => 'Two stage fluid catalytic cracking process for selectively producing b. C.su2 to C.sub.4 olefins' [patent_app_type] => 1 [patent_app_number] => 9/073084 [patent_app_country] => US [patent_app_date] => 1998-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5265 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 315 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/106/06106697.pdf [firstpage_image] =>[orig_patent_app_number] => 073084 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/073084
Two stage fluid catalytic cracking process for selectively producing b. C.su2 to C.sub.4 olefins May 4, 1998 Issued
Array ( [id] => 4237390 [patent_doc_number] => 06118035 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-12 [patent_title] => 'Process for selectively producing light olefins in a fluid catalytic cracking process from a naphtha/steam feed' [patent_app_type] => 1 [patent_app_number] => 9/072632 [patent_app_country] => US [patent_app_date] => 1998-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3587 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/118/06118035.pdf [firstpage_image] =>[orig_patent_app_number] => 072632 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/072632
Process for selectively producing light olefins in a fluid catalytic cracking process from a naphtha/steam feed May 4, 1998 Issued
Array ( [id] => 4307722 [patent_doc_number] => 06187983 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-13 [patent_title] => 'Converting oxygenates to olefins in the presence of electromagnetic energy' [patent_app_type] => 1 [patent_app_number] => 9/069635 [patent_app_country] => US [patent_app_date] => 1998-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3964 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/187/06187983.pdf [firstpage_image] =>[orig_patent_app_number] => 069635 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/069635
Converting oxygenates to olefins in the presence of electromagnetic energy Apr 28, 1998 Issued
Array ( [id] => 4039734 [patent_doc_number] => 05968344 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-19 [patent_title] => 'Catalyst for the hydroisomerization of long-chain n-paraffins and process for preparing it' [patent_app_type] => 1 [patent_app_number] => 9/064004 [patent_app_country] => US [patent_app_date] => 1998-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4775 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/968/05968344.pdf [firstpage_image] =>[orig_patent_app_number] => 064004 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/064004
Catalyst for the hydroisomerization of long-chain n-paraffins and process for preparing it Apr 20, 1998 Issued
09/061661 PROCESS FOR REMOVING SULFUR COMPOUNDS FROM HYDROCARBON STREAMS Apr 16, 1998 Abandoned
Array ( [id] => 4101566 [patent_doc_number] => 06049017 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-11 [patent_title] => 'Enhanced light olefin production' [patent_app_type] => 1 [patent_app_number] => 9/059906 [patent_app_country] => US [patent_app_date] => 1998-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7790 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/049/06049017.pdf [firstpage_image] =>[orig_patent_app_number] => 059906 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/059906
Enhanced light olefin production Apr 12, 1998 Issued
Array ( [id] => 4089260 [patent_doc_number] => 06025533 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-15 [patent_title] => 'Oligomer production with catalytic distillation' [patent_app_type] => 1 [patent_app_number] => 9/058607 [patent_app_country] => US [patent_app_date] => 1998-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 11032 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/025/06025533.pdf [firstpage_image] =>[orig_patent_app_number] => 058607 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/058607
Oligomer production with catalytic distillation Apr 9, 1998 Issued
Array ( [id] => 3941895 [patent_doc_number] => 05954949 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-21 [patent_title] => 'Conversion of heavy petroleum oils to coke with a molten alkali metal hydroxide' [patent_app_type] => 1 [patent_app_number] => 9/048194 [patent_app_country] => US [patent_app_date] => 1998-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6349 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/954/05954949.pdf [firstpage_image] =>[orig_patent_app_number] => 048194 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/048194
Conversion of heavy petroleum oils to coke with a molten alkali metal hydroxide Mar 24, 1998 Issued
Array ( [id] => 3929300 [patent_doc_number] => 05952534 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-14 [patent_title] => 'Manufacturing of 2,6-dimethylnaphthalene' [patent_app_type] => 1 [patent_app_number] => 8/973864 [patent_app_country] => US [patent_app_date] => 1998-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2362 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/952/05952534.pdf [firstpage_image] =>[orig_patent_app_number] => 973864 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/973864
Manufacturing of 2,6-dimethylnaphthalene Mar 19, 1998 Issued
Array ( [id] => 3971336 [patent_doc_number] => 05948243 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-07 [patent_title] => 'Catalyst comprising aluminum borate and zirconium borate and use thereof in a hydrotreating process' [patent_app_type] => 1 [patent_app_number] => 9/028446 [patent_app_country] => US [patent_app_date] => 1998-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8866 [patent_no_of_claims] => 77 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/948/05948243.pdf [firstpage_image] =>[orig_patent_app_number] => 028446 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/028446
Catalyst comprising aluminum borate and zirconium borate and use thereof in a hydrotreating process Feb 23, 1998 Issued
Array ( [id] => 1543789 [patent_doc_number] => 06372948 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-16 [patent_title] => 'Process and apparatus for the destructive distillation of rubber' [patent_app_type] => B1 [patent_app_number] => 09/027642 [patent_app_country] => US [patent_app_date] => 1998-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 8511 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/372/06372948.pdf [firstpage_image] =>[orig_patent_app_number] => 09027642 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/027642
Process and apparatus for the destructive distillation of rubber Feb 22, 1998 Issued
Array ( [id] => 4139613 [patent_doc_number] => 06015929 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-18 [patent_title] => 'Gas hydrate anti-agglomerates' [patent_app_type] => 1 [patent_app_number] => 9/023580 [patent_app_country] => US [patent_app_date] => 1998-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4144 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/015/06015929.pdf [firstpage_image] =>[orig_patent_app_number] => 023580 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/023580
Gas hydrate anti-agglomerates Feb 12, 1998 Issued
Array ( [id] => 4172235 [patent_doc_number] => 06036848 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-14 [patent_title] => 'Method for loading and unloading a catalyst without halting the progress of an operation' [patent_app_type] => 1 [patent_app_number] => 9/022012 [patent_app_country] => US [patent_app_date] => 1998-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3826 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/036/06036848.pdf [firstpage_image] =>[orig_patent_app_number] => 022012 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/022012
Method for loading and unloading a catalyst without halting the progress of an operation Feb 10, 1998 Issued
Array ( [id] => 4079864 [patent_doc_number] => 06017443 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-25 [patent_title] => 'Hydroprocessing process having staged reaction zones' [patent_app_type] => 1 [patent_app_number] => 9/019008 [patent_app_country] => US [patent_app_date] => 1998-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 5458 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/017/06017443.pdf [firstpage_image] =>[orig_patent_app_number] => 019008 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/019008
Hydroprocessing process having staged reaction zones Feb 4, 1998 Issued
Array ( [id] => 4007750 [patent_doc_number] => 06005156 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-21 [patent_title] => 'Para-xylene separation process comprising pretreatment by selective hydrogenation and by activated clay' [patent_app_type] => 1 [patent_app_number] => 8/894408 [patent_app_country] => US [patent_app_date] => 1998-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4811 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/005/06005156.pdf [firstpage_image] =>[orig_patent_app_number] => 894408 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/894408
Para-xylene separation process comprising pretreatment by selective hydrogenation and by activated clay Jan 26, 1998 Issued
Array ( [id] => 4057741 [patent_doc_number] => 06007698 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-28 [patent_title] => 'Process for cracking hydrocarbon feeds using a catalyst comprising an IM-5 zeolite which is optionally dealuminated' [patent_app_type] => 1 [patent_app_number] => 9/013264 [patent_app_country] => US [patent_app_date] => 1998-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5642 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/007/06007698.pdf [firstpage_image] =>[orig_patent_app_number] => 013264 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/013264
Process for cracking hydrocarbon feeds using a catalyst comprising an IM-5 zeolite which is optionally dealuminated Jan 25, 1998 Issued
Array ( [id] => 4199854 [patent_doc_number] => 06077420 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-20 [patent_title] => 'Process for cracking hydrocarbon feeds using a catalyst comprising a dealuminated NU-86 zeolite' [patent_app_type] => 1 [patent_app_number] => 9/008837 [patent_app_country] => US [patent_app_date] => 1998-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5681 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/077/06077420.pdf [firstpage_image] =>[orig_patent_app_number] => 008837 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/008837
Process for cracking hydrocarbon feeds using a catalyst comprising a dealuminated NU-86 zeolite Jan 19, 1998 Issued
Menu