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
Array ( [id] => 2953761 [patent_doc_number] => 05224335 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-06 [patent_title] => 'Exhaust emission control apparatus for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/846467 [patent_app_country] => US [patent_app_date] => 1992-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5721 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/224/05224335.pdf [firstpage_image] =>[orig_patent_app_number] => 846467 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/846467
Exhaust emission control apparatus for internal combustion engine Mar 3, 1992 Issued
Array ( [id] => 2913554 [patent_doc_number] => 05245824 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-21 [patent_title] => 'Method and apparatus for optimizing the exhaust system of a two cycle engine' [patent_app_type] => 1 [patent_app_number] => 7/845200 [patent_app_country] => US [patent_app_date] => 1992-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 3810 [patent_no_of_claims] => 14 [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/05/245/05245824.pdf [firstpage_image] =>[orig_patent_app_number] => 845200 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/845200
Method and apparatus for optimizing the exhaust system of a two cycle engine Mar 2, 1992 Issued
Array ( [id] => 2913572 [patent_doc_number] => 05245825 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-21 [patent_title] => 'Honeycomb monolith heater' [patent_app_type] => 1 [patent_app_number] => 7/844224 [patent_app_country] => US [patent_app_date] => 1992-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4440 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/245/05245825.pdf [firstpage_image] =>[orig_patent_app_number] => 844224 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/844224
Honeycomb monolith heater Mar 1, 1992 Issued
07/841357 CATALYTIC SYSTEM Feb 24, 1992 Abandoned
Array ( [id] => 2804401 [patent_doc_number] => 05167120 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-01 [patent_title] => 'Method of controlling the temperature of an exhaust gas probe' [patent_app_type] => 1 [patent_app_number] => 7/840817 [patent_app_country] => US [patent_app_date] => 1992-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3207 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/167/05167120.pdf [firstpage_image] =>[orig_patent_app_number] => 840817 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/840817
Method of controlling the temperature of an exhaust gas probe Feb 24, 1992 Issued
Array ( [id] => 2838320 [patent_doc_number] => 05165231 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-24 [patent_title] => 'Anti-reversion exhaust system' [patent_app_type] => 1 [patent_app_number] => 7/840125 [patent_app_country] => US [patent_app_date] => 1992-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 2141 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/165/05165231.pdf [firstpage_image] =>[orig_patent_app_number] => 840125 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/840125
Anti-reversion exhaust system Feb 23, 1992 Issued
Array ( [id] => 2922514 [patent_doc_number] => 05253476 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-19 [patent_title] => 'Pulsed, reverse-flow, regenerated diesel trap capturing soot, ash and PAH\'s' [patent_app_type] => 1 [patent_app_number] => 7/839171 [patent_app_country] => US [patent_app_date] => 1992-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 4636 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/253/05253476.pdf [firstpage_image] =>[orig_patent_app_number] => 839171 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/839171
Pulsed, reverse-flow, regenerated diesel trap capturing soot, ash and PAH's Feb 20, 1992 Issued
Array ( [id] => 2900130 [patent_doc_number] => 05199258 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-06 [patent_title] => 'Adjustable torque/horsepower exhaust control system' [patent_app_type] => 1 [patent_app_number] => 7/838015 [patent_app_country] => US [patent_app_date] => 1992-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2673 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/199/05199258.pdf [firstpage_image] =>[orig_patent_app_number] => 838015 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/838015
Adjustable torque/horsepower exhaust control system Feb 19, 1992 Issued
Array ( [id] => 2873519 [patent_doc_number] => 05239825 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-31 [patent_title] => 'Exhaust emission control device for outboard motor' [patent_app_type] => 1 [patent_app_number] => 7/835289 [patent_app_country] => US [patent_app_date] => 1992-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3115 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/239/05239825.pdf [firstpage_image] =>[orig_patent_app_number] => 835289 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/835289
Exhaust emission control device for outboard motor Feb 12, 1992 Issued
Array ( [id] => 2965249 [patent_doc_number] => 05211011 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-18 [patent_title] => 'Control apparatus for rapidly warming up catalyst in internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/833651 [patent_app_country] => US [patent_app_date] => 1992-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 6471 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/211/05211011.pdf [firstpage_image] =>[orig_patent_app_number] => 833651 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/833651
Control apparatus for rapidly warming up catalyst in internal combustion engine Feb 10, 1992 Issued
Array ( [id] => 2945667 [patent_doc_number] => 05201173 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-13 [patent_title] => 'Catalyst temperature control system for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 7/827664 [patent_app_country] => US [patent_app_date] => 1992-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8650 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/201/05201173.pdf [firstpage_image] =>[orig_patent_app_number] => 827664 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/827664
Catalyst temperature control system for internal combustion engines Jan 28, 1992 Issued
Array ( [id] => 2951136 [patent_doc_number] => 05193339 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-16 [patent_title] => 'Method of and an apparatus for controlling the air-fuel ratio of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/784395 [patent_app_country] => US [patent_app_date] => 1991-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 6207 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/193/05193339.pdf [firstpage_image] =>[orig_patent_app_number] => 784395 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/784395
Method of and an apparatus for controlling the air-fuel ratio of an internal combustion engine Dec 30, 1991 Issued
Array ( [id] => 2760596 [patent_doc_number] => 05150573 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-29 [patent_title] => 'Catalyst arrangement with flow guide body' [patent_app_type] => 1 [patent_app_number] => 7/814870 [patent_app_country] => US [patent_app_date] => 1991-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 11 [patent_no_of_words] => 3508 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/150/05150573.pdf [firstpage_image] =>[orig_patent_app_number] => 814870 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/814870
Catalyst arrangement with flow guide body Dec 29, 1991 Issued
Array ( [id] => 2896440 [patent_doc_number] => 05205120 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-27 [patent_title] => 'Mixture-compressing internal-combustion engine with secondary-air injection and with air-mass metering in the suction pipe' [patent_app_type] => 1 [patent_app_number] => 7/811669 [patent_app_country] => US [patent_app_date] => 1991-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 1868 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/205/05205120.pdf [firstpage_image] =>[orig_patent_app_number] => 811669 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/811669
Mixture-compressing internal-combustion engine with secondary-air injection and with air-mass metering in the suction pipe Dec 22, 1991 Issued
Array ( [id] => 2866945 [patent_doc_number] => 05267439 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-07 [patent_title] => 'Method and arrangement for checking the aging condition of a catalyzer' [patent_app_type] => 1 [patent_app_number] => 7/806309 [patent_app_country] => US [patent_app_date] => 1991-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3037 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/267/05267439.pdf [firstpage_image] =>[orig_patent_app_number] => 806309 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/806309
Method and arrangement for checking the aging condition of a catalyzer Dec 12, 1991 Issued
Array ( [id] => 2802366 [patent_doc_number] => 05168700 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-08 [patent_title] => 'Method of and an apparatus for controlling the air-fuel ratio of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/778087 [patent_app_country] => US [patent_app_date] => 1991-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5637 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 306 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/168/05168700.pdf [firstpage_image] =>[orig_patent_app_number] => 778087 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/778087
Method of and an apparatus for controlling the air-fuel ratio of an internal combustion engine Dec 11, 1991 Issued
Array ( [id] => 2872105 [patent_doc_number] => 05175997 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-05 [patent_title] => 'Method of determining catalytic converter efficiency on computer controlled vehicles' [patent_app_type] => 1 [patent_app_number] => 7/806727 [patent_app_country] => US [patent_app_date] => 1991-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4509 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 308 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/175/05175997.pdf [firstpage_image] =>[orig_patent_app_number] => 806727 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/806727
Method of determining catalytic converter efficiency on computer controlled vehicles Dec 11, 1991 Issued
Array ( [id] => 2915691 [patent_doc_number] => 05259189 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-09 [patent_title] => 'Method and apparatus for monitoring a catalytic converter' [patent_app_type] => 1 [patent_app_number] => 7/805581 [patent_app_country] => US [patent_app_date] => 1991-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2037 [patent_no_of_claims] => 3 [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/05/259/05259189.pdf [firstpage_image] =>[orig_patent_app_number] => 805581 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/805581
Method and apparatus for monitoring a catalytic converter Dec 10, 1991 Issued
Array ( [id] => 2965212 [patent_doc_number] => 05211009 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-18 [patent_title] => 'Method for the regeneration of particulate-filter systems' [patent_app_type] => 1 [patent_app_number] => 7/805115 [patent_app_country] => US [patent_app_date] => 1991-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4828 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 344 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/211/05211009.pdf [firstpage_image] =>[orig_patent_app_number] => 805115 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/805115
Method for the regeneration of particulate-filter systems Dec 9, 1991 Issued
Array ( [id] => 2895314 [patent_doc_number] => 05177959 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-12 [patent_title] => 'Method and arrangement for monitoring the conversion rate of a catalyzer in the exhaust-gas system of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/777284 [patent_app_country] => US [patent_app_date] => 1991-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 3 [patent_no_of_words] => 3162 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/177/05177959.pdf [firstpage_image] =>[orig_patent_app_number] => 777284 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/777284
Method and arrangement for monitoring the conversion rate of a catalyzer in the exhaust-gas system of an internal combustion engine Nov 28, 1991 Issued
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