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] => 4015298 [patent_doc_number] => 05906729 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-25 [patent_title] => 'Process scheme for processing sour feed in isomerization dewaxing' [patent_app_type] => 1 [patent_app_number] => 8/986781 [patent_app_country] => US [patent_app_date] => 1997-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2935 [patent_no_of_claims] => 10 [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/05/906/05906729.pdf [firstpage_image] =>[orig_patent_app_number] => 986781 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/986781
Process scheme for processing sour feed in isomerization dewaxing Dec 7, 1997 Issued
08/973374 HYDROTREATING CATALYST: COMPOSITION, PREPARATION, AND USE THEREOF Dec 3, 1997 Abandoned
Array ( [id] => 3947792 [patent_doc_number] => 05935413 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-10 [patent_title] => 'Interbed gas-liquid mixing system for cocurrent downflow reactors' [patent_app_type] => 1 [patent_app_number] => 8/984199 [patent_app_country] => US [patent_app_date] => 1997-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4279 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/935/05935413.pdf [firstpage_image] =>[orig_patent_app_number] => 984199 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/984199
Interbed gas-liquid mixing system for cocurrent downflow reactors Dec 2, 1997 Issued
08/984662 PROCESS FOR INCREASING THE SELECTIVITY OF A REACTION TO CONVERT OXYGENATES TO OLEFINS Dec 2, 1997 Abandoned
Array ( [id] => 4020565 [patent_doc_number] => 05907072 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-25 [patent_title] => 'Multi-stage process for treating N-paraffins' [patent_app_type] => 1 [patent_app_number] => 8/982711 [patent_app_country] => US [patent_app_date] => 1997-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1523 [patent_no_of_claims] => 6 [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/05/907/05907072.pdf [firstpage_image] =>[orig_patent_app_number] => 982711 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/982711
Multi-stage process for treating N-paraffins Dec 1, 1997 Issued
Array ( [id] => 4044689 [patent_doc_number] => 05932088 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-03 [patent_title] => 'Process for improving the pour point of paraffinic feeds using a catalyst based on NU-86 zeolite' [patent_app_type] => 1 [patent_app_number] => 8/977739 [patent_app_country] => US [patent_app_date] => 1997-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5413 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/932/05932088.pdf [firstpage_image] =>[orig_patent_app_number] => 977739 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/977739
Process for improving the pour point of paraffinic feeds using a catalyst based on NU-86 zeolite Nov 24, 1997 Issued
Array ( [id] => 4182230 [patent_doc_number] => 06037516 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-14 [patent_title] => 'Method for removal of oxygenate impurities from organic chemical streams' [patent_app_type] => 1 [patent_app_number] => 8/975523 [patent_app_country] => US [patent_app_date] => 1997-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7919 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/037/06037516.pdf [firstpage_image] =>[orig_patent_app_number] => 975523 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/975523
Method for removal of oxygenate impurities from organic chemical streams Nov 19, 1997 Issued
Array ( [id] => 4191610 [patent_doc_number] => 06013172 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-11 [patent_title] => 'Methodology for extracting local constants from petroleum cracking flows' [patent_app_type] => 1 [patent_app_number] => 8/970024 [patent_app_country] => US [patent_app_date] => 1997-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5570 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/013/06013172.pdf [firstpage_image] =>[orig_patent_app_number] => 970024 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/970024
Methodology for extracting local constants from petroleum cracking flows Nov 12, 1997 Issued
Array ( [id] => 4217233 [patent_doc_number] => 06010620 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-04 [patent_title] => 'Distribution apparatus and method for short time contact of hydrocarbon compounds with particles' [patent_app_type] => 1 [patent_app_number] => 8/967525 [patent_app_country] => US [patent_app_date] => 1997-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 5707 [patent_no_of_claims] => 7 [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/06/010/06010620.pdf [firstpage_image] =>[orig_patent_app_number] => 967525 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/967525
Distribution apparatus and method for short time contact of hydrocarbon compounds with particles Nov 10, 1997 Issued
Array ( [id] => 768099 [patent_doc_number] => 07005059 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-02-28 [patent_title] => 'Catalyst having at least one element of group VIIB and its use in hydro-treating' [patent_app_type] => utility [patent_app_number] => 09/297737 [patent_app_country] => US [patent_app_date] => 1997-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5484 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/005/07005059.pdf [firstpage_image] =>[orig_patent_app_number] => 09297737 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/297737
Catalyst having at least one element of group VIIB and its use in hydro-treating Nov 6, 1997 Issued
Array ( [id] => 6137219 [patent_doc_number] => 20020000397 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-01-03 [patent_title] => 'NOVEL METHOD OF PREPARING A CATALYST FOR USE IN THE HYDROTREATING OF HIGH BOILING HYDROCARBON FEEDSTOCKS' [patent_app_type] => new [patent_app_number] => 08/965261 [patent_app_country] => US [patent_app_date] => 1997-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10274 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0000/20020000397.pdf [firstpage_image] =>[orig_patent_app_number] => 08965261 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/965261
Method of preparing a catalyst for use in the hydrotreating of high boiling hydrocarbon feedstocks Nov 5, 1997 Issued
Array ( [id] => 4156869 [patent_doc_number] => 06156689 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-05 [patent_title] => 'Catalyst composition comprising zinc compound or boron compound and hydrocarbon conversion process' [patent_app_type] => 1 [patent_app_number] => 8/956082 [patent_app_country] => US [patent_app_date] => 1997-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8790 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/156/06156689.pdf [firstpage_image] =>[orig_patent_app_number] => 956082 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/956082
Catalyst composition comprising zinc compound or boron compound and hydrocarbon conversion process Oct 22, 1997 Issued
Array ( [id] => 3936537 [patent_doc_number] => 05939597 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-17 [patent_title] => 'Fluid bed process for para-xylene production' [patent_app_type] => 1 [patent_app_number] => 8/954787 [patent_app_country] => US [patent_app_date] => 1997-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4330 [patent_no_of_claims] => 10 [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/05/939/05939597.pdf [firstpage_image] =>[orig_patent_app_number] => 954787 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/954787
Fluid bed process for para-xylene production Oct 20, 1997 Issued
08/951041 METHOD OF PRODUCING OLEFINS AND FEEDSTOCKS FOR USE IN OLEFIN PRODUCTION FROM PETROLEUM RESIDUA WHICH HAVE LOW PENTANE INSOLUBLES AND HIGH HYDROGEN CONTENT Oct 14, 1997 Abandoned
Array ( [id] => 4067089 [patent_doc_number] => 05866736 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-02 [patent_title] => 'Process for the production of alkyl benzene' [patent_app_type] => 1 [patent_app_number] => 8/950094 [patent_app_country] => US [patent_app_date] => 1997-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5316 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/866/05866736.pdf [firstpage_image] =>[orig_patent_app_number] => 950094 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/950094
Process for the production of alkyl benzene Oct 13, 1997 Issued
Array ( [id] => 4016808 [patent_doc_number] => 05925233 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-20 [patent_title] => 'Use of alkanesulfonic acids as asphaltene-dispersing agents' [patent_app_type] => 1 [patent_app_number] => 8/950033 [patent_app_country] => US [patent_app_date] => 1997-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1387 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/925/05925233.pdf [firstpage_image] =>[orig_patent_app_number] => 950033 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/950033
Use of alkanesulfonic acids as asphaltene-dispersing agents Oct 13, 1997 Issued
Array ( [id] => 4297815 [patent_doc_number] => 06180843 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-30 [patent_title] => 'Method for producing gas hydrates utilizing a fluidized bed' [patent_app_type] => 1 [patent_app_number] => 8/950246 [patent_app_country] => US [patent_app_date] => 1997-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5720 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/180/06180843.pdf [firstpage_image] =>[orig_patent_app_number] => 950246 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/950246
Method for producing gas hydrates utilizing a fluidized bed Oct 13, 1997 Issued
Array ( [id] => 3934687 [patent_doc_number] => 05976360 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-02 [patent_title] => 'Viscosity reduction by heat soak-induced naphthenic acid decomposition in hydrocarbon oils' [patent_app_type] => 1 [patent_app_number] => 8/999869 [patent_app_country] => US [patent_app_date] => 1997-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1629 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/976/05976360.pdf [firstpage_image] =>[orig_patent_app_number] => 999869 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/999869
Viscosity reduction by heat soak-induced naphthenic acid decomposition in hydrocarbon oils Oct 9, 1997 Issued
Array ( [id] => 3925630 [patent_doc_number] => 05928500 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-27 [patent_title] => 'Removal of halogenated organic compounds from hydrocarbon streams' [patent_app_type] => 1 [patent_app_number] => 8/947099 [patent_app_country] => US [patent_app_date] => 1997-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5293 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/928/05928500.pdf [firstpage_image] =>[orig_patent_app_number] => 947099 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/947099
Removal of halogenated organic compounds from hydrocarbon streams Oct 7, 1997 Issued
Array ( [id] => 1451640 [patent_doc_number] => 06455749 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-24 [patent_title] => 'Method for increasing light olefin yield by conversion of a heavy hydrocarbon fraction of a product to light olefins' [patent_app_type] => B1 [patent_app_number] => 08/943399 [patent_app_country] => US [patent_app_date] => 1997-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2920 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/455/06455749.pdf [firstpage_image] =>[orig_patent_app_number] => 08943399 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/943399
Method for increasing light olefin yield by conversion of a heavy hydrocarbon fraction of a product to light olefins Oct 2, 1997 Issued
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