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] => 2877001 [patent_doc_number] => 05271221 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-21 [patent_title] => 'Integrated feedback controlled secondary air injection and egr' [patent_app_type] => 1 [patent_app_number] => 7/986414 [patent_app_country] => US [patent_app_date] => 1992-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1091 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/271/05271221.pdf [firstpage_image] =>[orig_patent_app_number] => 986414 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/986414
Integrated feedback controlled secondary air injection and egr Dec 6, 1992 Issued
Array ( [id] => 2927262 [patent_doc_number] => 05261230 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-16 [patent_title] => 'Device for controlling heating of catalyst for purifying exhaust gas' [patent_app_type] => 1 [patent_app_number] => 7/979191 [patent_app_country] => US [patent_app_date] => 1992-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 30 [patent_no_of_words] => 11117 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/261/05261230.pdf [firstpage_image] =>[orig_patent_app_number] => 979191 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/979191
Device for controlling heating of catalyst for purifying exhaust gas Nov 19, 1992 Issued
Array ( [id] => 3032697 [patent_doc_number] => 05355673 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-18 [patent_title] => 'Exhaust valve' [patent_app_type] => 1 [patent_app_number] => 7/985642 [patent_app_country] => US [patent_app_date] => 1992-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2103 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 377 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/355/05355673.pdf [firstpage_image] =>[orig_patent_app_number] => 985642 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/985642
Exhaust valve Nov 17, 1992 Issued
Array ( [id] => 2877057 [patent_doc_number] => 05271224 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-21 [patent_title] => 'Variable exhaust system for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/977540 [patent_app_country] => US [patent_app_date] => 1992-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2483 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/271/05271224.pdf [firstpage_image] =>[orig_patent_app_number] => 977540 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/977540
Variable exhaust system for an internal combustion engine Nov 16, 1992 Issued
07/974553 METHOD AND APPARATUS FOR TREATING AN ENGINE EXHAUST GAS STREAM Nov 11, 1992 Abandoned
Array ( [id] => 3014396 [patent_doc_number] => 05299419 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-05 [patent_title] => 'Gas flow headers for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 7/970007 [patent_app_country] => US [patent_app_date] => 1992-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2212 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/299/05299419.pdf [firstpage_image] =>[orig_patent_app_number] => 970007 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/970007
Gas flow headers for internal combustion engines Nov 1, 1992 Issued
Array ( [id] => 3474689 [patent_doc_number] => 05425236 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-06-20 [patent_title] => 'Catalyzer arrangement for the exhaust gases of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/965800 [patent_app_country] => US [patent_app_date] => 1992-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 2682 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/425/05425236.pdf [firstpage_image] =>[orig_patent_app_number] => 965800 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/965800
Catalyzer arrangement for the exhaust gases of an internal combustion engine Oct 22, 1992 Issued
Array ( [id] => 2940818 [patent_doc_number] => 05272873 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-28 [patent_title] => 'Evaporative emission control system for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 7/964683 [patent_app_country] => US [patent_app_date] => 1992-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4964 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/272/05272873.pdf [firstpage_image] =>[orig_patent_app_number] => 964683 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/964683
Evaporative emission control system for internal combustion engines Oct 21, 1992 Issued
Array ( [id] => 2993595 [patent_doc_number] => 05280708 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-25 [patent_title] => 'Exhaust gas purifying device for an outboard motor' [patent_app_type] => 1 [patent_app_number] => 7/959772 [patent_app_country] => US [patent_app_date] => 1992-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 3071 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/280/05280708.pdf [firstpage_image] =>[orig_patent_app_number] => 959772 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/959772
Exhaust gas purifying device for an outboard motor Oct 12, 1992 Issued
Array ( [id] => 2999140 [patent_doc_number] => 05325665 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-05 [patent_title] => 'Catalytic converter arrangement' [patent_app_type] => 1 [patent_app_number] => 7/956986 [patent_app_country] => US [patent_app_date] => 1992-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1347 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/325/05325665.pdf [firstpage_image] =>[orig_patent_app_number] => 956986 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/956986
Catalytic converter arrangement Oct 5, 1992 Issued
Array ( [id] => 2997586 [patent_doc_number] => 05301501 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-12 [patent_title] => 'Device for determining deterioration of a catalytic converter for an engine' [patent_app_type] => 1 [patent_app_number] => 7/956987 [patent_app_country] => US [patent_app_date] => 1992-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 22 [patent_no_of_words] => 7180 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/301/05301501.pdf [firstpage_image] =>[orig_patent_app_number] => 956987 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/956987
Device for determining deterioration of a catalytic converter for an engine Oct 5, 1992 Issued
Array ( [id] => 3404406 [patent_doc_number] => 05388405 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-14 [patent_title] => 'System for purifying exhaust gas for use in an automobile' [patent_app_type] => 1 [patent_app_number] => 7/953218 [patent_app_country] => US [patent_app_date] => 1992-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 9682 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/388/05388405.pdf [firstpage_image] =>[orig_patent_app_number] => 953218 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/953218
System for purifying exhaust gas for use in an automobile Sep 29, 1992 Issued
Array ( [id] => 2941057 [patent_doc_number] => 05263317 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-23 [patent_title] => 'Exhaust gas purifying apparatus for automobile diesel engine' [patent_app_type] => 1 [patent_app_number] => 7/953194 [patent_app_country] => US [patent_app_date] => 1992-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 30 [patent_no_of_words] => 11931 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/263/05263317.pdf [firstpage_image] =>[orig_patent_app_number] => 953194 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/953194
Exhaust gas purifying apparatus for automobile diesel engine Sep 28, 1992 Issued
07/952274 PARTICULATE AND EXHAUST GAS EMISSION CONTROL SYSTEM Sep 27, 1992 Abandoned
Array ( [id] => 2954329 [patent_doc_number] => 05255511 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-26 [patent_title] => 'Method and apparatus for operational monitoring of a catalytic converter of an internal combustion engine and a catalytic converter to be monitored' [patent_app_type] => 1 [patent_app_number] => 7/947722 [patent_app_country] => US [patent_app_date] => 1992-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4638 [patent_no_of_claims] => 39 [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/05/255/05255511.pdf [firstpage_image] =>[orig_patent_app_number] => 947722 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/947722
Method and apparatus for operational monitoring of a catalytic converter of an internal combustion engine and a catalytic converter to be monitored Sep 17, 1992 Issued
Array ( [id] => 2991401 [patent_doc_number] => 05307626 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-03 [patent_title] => 'Method and apparatus for controlling an internal combustion engine, using the current temperature of a downstream catalytic converter' [patent_app_type] => 1 [patent_app_number] => 7/947726 [patent_app_country] => US [patent_app_date] => 1992-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3773 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/307/05307626.pdf [firstpage_image] =>[orig_patent_app_number] => 947726 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/947726
Method and apparatus for controlling an internal combustion engine, using the current temperature of a downstream catalytic converter Sep 17, 1992 Issued
Array ( [id] => 2873502 [patent_doc_number] => 05239824 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-31 [patent_title] => 'Evaporative emission control system for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 7/940407 [patent_app_country] => US [patent_app_date] => 1992-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3409 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/239/05239824.pdf [firstpage_image] =>[orig_patent_app_number] => 940407 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/940407
Evaporative emission control system for internal combustion engines Sep 2, 1992 Issued
Array ( [id] => 2951951 [patent_doc_number] => 05257501 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-02 [patent_title] => 'Control device for a catalyst having an electric heater' [patent_app_type] => 1 [patent_app_number] => 7/937287 [patent_app_country] => US [patent_app_date] => 1992-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 18 [patent_no_of_words] => 3926 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/257/05257501.pdf [firstpage_image] =>[orig_patent_app_number] => 937287 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/937287
Control device for a catalyst having an electric heater Aug 30, 1992 Issued
Array ( [id] => 2993177 [patent_doc_number] => 05339630 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-23 [patent_title] => 'Exhaust burner catalyst preheater' [patent_app_type] => 1 [patent_app_number] => 7/936463 [patent_app_country] => US [patent_app_date] => 1992-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3012 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/339/05339630.pdf [firstpage_image] =>[orig_patent_app_number] => 936463 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/936463
Exhaust burner catalyst preheater Aug 27, 1992 Issued
Array ( [id] => 3005930 [patent_doc_number] => 05315824 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-31 [patent_title] => 'Cold HC adsorption and removal apparatus for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/936966 [patent_app_country] => US [patent_app_date] => 1992-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5083 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/315/05315824.pdf [firstpage_image] =>[orig_patent_app_number] => 936966 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/936966
Cold HC adsorption and removal apparatus for an internal combustion engine Aug 27, 1992 Issued
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