Search

Douglas Hart

Examiner (ID: 17202)

Most Active Art Unit
3406
Art Unit(s)
3402, 3403, 3745, 3406
Total Applications
1469
Issued Applications
1341
Pending Applications
18
Abandoned Applications
110

Applications

Application numberTitle of the applicationFiling DateStatus
07/927043 BAFFLED CATALYTIC CONVERTER Aug 9, 1992 Abandoned
Array ( [id] => 3029569 [patent_doc_number] => 05305602 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-26 [patent_title] => 'Device for catching and removing particulates for a diesel engine' [patent_app_type] => 1 [patent_app_number] => 7/924882 [patent_app_country] => US [patent_app_date] => 1992-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 5664 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/305/05305602.pdf [firstpage_image] =>[orig_patent_app_number] => 924882 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/924882
Device for catching and removing particulates for a diesel engine Aug 5, 1992 Issued
Array ( [id] => 3057700 [patent_doc_number] => 05319929 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-14 [patent_title] => 'Catalytic converter system' [patent_app_type] => 1 [patent_app_number] => 7/926045 [patent_app_country] => US [patent_app_date] => 1992-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 10482 [patent_no_of_claims] => 94 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/319/05319929.pdf [firstpage_image] =>[orig_patent_app_number] => 926045 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/926045
Catalytic converter system Aug 4, 1992 Issued
Array ( [id] => 3057560 [patent_doc_number] => 05319921 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-14 [patent_title] => 'Catalytic converter efficiency monitoring' [patent_app_type] => 1 [patent_app_number] => 7/924813 [patent_app_country] => US [patent_app_date] => 1992-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 6683 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/319/05319921.pdf [firstpage_image] =>[orig_patent_app_number] => 924813 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/924813
Catalytic converter efficiency monitoring Aug 3, 1992 Issued
07/917890 VEHICLE INTERNAL COMBUSTION ENGINE EXHAUST SYSTEM Jul 23, 1992 Issued
Array ( [id] => 3049359 [patent_doc_number] => 05293744 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-15 [patent_title] => 'Exhaust manifold muffler for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/919429 [patent_app_country] => US [patent_app_date] => 1992-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3080 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/293/05293744.pdf [firstpage_image] =>[orig_patent_app_number] => 919429 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/919429
Exhaust manifold muffler for an internal combustion engine Jul 22, 1992 Issued
07/918250 CATALYTIC METHOD Jul 22, 1992 Abandoned
Array ( [id] => 2899054 [patent_doc_number] => 05233829 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-10 [patent_title] => 'Exhaust system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/917263 [patent_app_country] => US [patent_app_date] => 1992-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5367 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/233/05233829.pdf [firstpage_image] =>[orig_patent_app_number] => 917263 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/917263
Exhaust system for internal combustion engine Jul 22, 1992 Issued
Array ( [id] => 3023798 [patent_doc_number] => 05285640 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-15 [patent_title] => 'Integrated post-engine emissions heater, catalytic converter and muffler' [patent_app_type] => 1 [patent_app_number] => 7/917760 [patent_app_country] => US [patent_app_date] => 1992-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4925 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/285/05285640.pdf [firstpage_image] =>[orig_patent_app_number] => 917760 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/917760
Integrated post-engine emissions heater, catalytic converter and muffler Jul 20, 1992 Issued
Array ( [id] => 2955834 [patent_doc_number] => 05251438 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-12 [patent_title] => 'Air-fuel ratio control apparatus for engine' [patent_app_type] => 1 [patent_app_number] => 7/916268 [patent_app_country] => US [patent_app_date] => 1992-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 6364 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/251/05251438.pdf [firstpage_image] =>[orig_patent_app_number] => 916268 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/916268
Air-fuel ratio control apparatus for engine Jul 20, 1992 Issued
Array ( [id] => 2886033 [patent_doc_number] => RE034391 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-28 [patent_title] => 'Bearing lubricating device' [patent_app_type] => 2 [patent_app_number] => 7/913595 [patent_app_country] => US [patent_app_date] => 1992-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 7 [patent_no_of_words] => 4074 [patent_no_of_claims] => 87 [patent_no_of_ind_claims] => 41 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/034/RE034391.pdf [firstpage_image] =>[orig_patent_app_number] => 913595 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/913595
Bearing lubricating device Jul 13, 1992 Issued
Array ( [id] => 3066966 [patent_doc_number] => 05279117 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-18 [patent_title] => 'Exhaust pipe of an internal-combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/906876 [patent_app_country] => US [patent_app_date] => 1992-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1287 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/279/05279117.pdf [firstpage_image] =>[orig_patent_app_number] => 906876 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/906876
Exhaust pipe of an internal-combustion engine Jul 1, 1992 Issued
Array ( [id] => 2899089 [patent_doc_number] => 05233831 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-10 [patent_title] => 'Exhaust control system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/906290 [patent_app_country] => US [patent_app_date] => 1992-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 8235 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/233/05233831.pdf [firstpage_image] =>[orig_patent_app_number] => 906290 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/906290
Exhaust control system for internal combustion engine Jun 28, 1992 Issued
Array ( [id] => 2913400 [patent_doc_number] => 05228287 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-20 [patent_title] => 'Exhaust system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/906287 [patent_app_country] => US [patent_app_date] => 1992-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 3208 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/228/05228287.pdf [firstpage_image] =>[orig_patent_app_number] => 906287 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/906287
Exhaust system for internal combustion engine Jun 28, 1992 Issued
Array ( [id] => 3042931 [patent_doc_number] => 05351481 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-04 [patent_title] => 'Muffler assembly with balanced chamber and method' [patent_app_type] => 1 [patent_app_number] => 7/904645 [patent_app_country] => US [patent_app_date] => 1992-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 2994 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/351/05351481.pdf [firstpage_image] =>[orig_patent_app_number] => 904645 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/904645
Muffler assembly with balanced chamber and method Jun 25, 1992 Issued
Array ( [id] => 2922496 [patent_doc_number] => 05253475 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-19 [patent_title] => 'Combustion detection' [patent_app_type] => 1 [patent_app_number] => 7/902249 [patent_app_country] => US [patent_app_date] => 1992-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 6109 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/253/05253475.pdf [firstpage_image] =>[orig_patent_app_number] => 902249 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/902249
Combustion detection Jun 21, 1992 Issued
Array ( [id] => 2991437 [patent_doc_number] => 05307628 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-03 [patent_title] => 'Exhaust line allowing a faster triggering of the catalyst' [patent_app_type] => 1 [patent_app_number] => 7/900271 [patent_app_country] => US [patent_app_date] => 1992-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 11 [patent_no_of_words] => 2881 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/307/05307628.pdf [firstpage_image] =>[orig_patent_app_number] => 900271 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/900271
Exhaust line allowing a faster triggering of the catalyst Jun 17, 1992 Issued
Array ( [id] => 2940851 [patent_doc_number] => 05272875 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-28 [patent_title] => 'Catalytic converter for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/898443 [patent_app_country] => US [patent_app_date] => 1992-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3144 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/272/05272875.pdf [firstpage_image] =>[orig_patent_app_number] => 898443 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/898443
Catalytic converter for an internal combustion engine Jun 14, 1992 Issued
Array ( [id] => 2902860 [patent_doc_number] => 05191763 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-09 [patent_title] => 'Device for controlling heating of catalyzer for purifying exhaust gas' [patent_app_type] => 1 [patent_app_number] => 7/897034 [patent_app_country] => US [patent_app_date] => 1992-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 4267 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/191/05191763.pdf [firstpage_image] =>[orig_patent_app_number] => 897034 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/897034
Device for controlling heating of catalyzer for purifying exhaust gas Jun 10, 1992 Issued
07/896241 INTERNAL COMBUSTION ENGINE EXHAUST CONTROL VALVE Jun 9, 1992 Abandoned
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