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] => 3669316 [patent_doc_number] => 05661975 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-09-02 [patent_title] => 'Soot filtration device' [patent_app_type] => 1 [patent_app_number] => 8/441655 [patent_app_country] => US [patent_app_date] => 1995-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1013 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/661/05661975.pdf [firstpage_image] =>[orig_patent_app_number] => 441655 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/441655
Soot filtration device May 14, 1995 Issued
Array ( [id] => 3682909 [patent_doc_number] => 05595060 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-21 [patent_title] => 'Apparatus and method for internal-combustion engine control' [patent_app_type] => 1 [patent_app_number] => 8/438553 [patent_app_country] => US [patent_app_date] => 1995-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 18 [patent_no_of_words] => 17261 [patent_no_of_claims] => 80 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/595/05595060.pdf [firstpage_image] =>[orig_patent_app_number] => 438553 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/438553
Apparatus and method for internal-combustion engine control May 9, 1995 Issued
Array ( [id] => 3816888 [patent_doc_number] => 05711148 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-01-27 [patent_title] => 'Sensor arrangement for engine control system' [patent_app_type] => 1 [patent_app_number] => 8/435715 [patent_app_country] => US [patent_app_date] => 1995-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 44 [patent_figures_cnt] => 47 [patent_no_of_words] => 10966 [patent_no_of_claims] => 88 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/711/05711148.pdf [firstpage_image] =>[orig_patent_app_number] => 435715 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/435715
Sensor arrangement for engine control system May 4, 1995 Issued
Array ( [id] => 3607517 [patent_doc_number] => 05640845 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-24 [patent_title] => 'Nitrogen spark denoxer' [patent_app_type] => 1 [patent_app_number] => 8/433219 [patent_app_country] => US [patent_app_date] => 1995-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3969 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/640/05640845.pdf [firstpage_image] =>[orig_patent_app_number] => 433219 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/433219
Nitrogen spark denoxer May 1, 1995 Issued
Array ( [id] => 3669276 [patent_doc_number] => 05661972 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-09-02 [patent_title] => 'Air-fuel ratio control system for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/426615 [patent_app_country] => US [patent_app_date] => 1995-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 19 [patent_no_of_words] => 7716 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/661/05661972.pdf [firstpage_image] =>[orig_patent_app_number] => 426615 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/426615
Air-fuel ratio control system for internal combustion engines Apr 20, 1995 Issued
Array ( [id] => 3714456 [patent_doc_number] => 05651249 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-29 [patent_title] => 'Exhaust muffler structure for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/424670 [patent_app_country] => US [patent_app_date] => 1995-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2420 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/651/05651249.pdf [firstpage_image] =>[orig_patent_app_number] => 424670 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/424670
Exhaust muffler structure for internal combustion engine Apr 17, 1995 Issued
Array ( [id] => 3569127 [patent_doc_number] => 05490382 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-13 [patent_title] => 'Catalyzer support system for exhaust cleaning of outboard motor' [patent_app_type] => 1 [patent_app_number] => 8/423043 [patent_app_country] => US [patent_app_date] => 1995-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2219 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/490/05490382.pdf [firstpage_image] =>[orig_patent_app_number] => 423043 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/423043
Catalyzer support system for exhaust cleaning of outboard motor Apr 16, 1995 Issued
Array ( [id] => 3607531 [patent_doc_number] => 05640846 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-24 [patent_title] => 'Dual-sensor type air-fuel ratio control system for internal combustion engine and catalytic converter diagnosis apparatus for the same' [patent_app_type] => 1 [patent_app_number] => 8/420736 [patent_app_country] => US [patent_app_date] => 1995-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 32 [patent_no_of_words] => 20330 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/640/05640846.pdf [firstpage_image] =>[orig_patent_app_number] => 420736 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/420736
Dual-sensor type air-fuel ratio control system for internal combustion engine and catalytic converter diagnosis apparatus for the same Apr 10, 1995 Issued
08/419097 WATER JACKETED EXHAUST PIPE FOR MARINE EXHAUST SYSTEMS Apr 9, 1995 Abandoned
Array ( [id] => 3849812 [patent_doc_number] => 05822976 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-20 [patent_title] => 'Method and system for controlling the amount of secondary air introduced into an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/417351 [patent_app_country] => US [patent_app_date] => 1995-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2693 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/822/05822976.pdf [firstpage_image] =>[orig_patent_app_number] => 417351 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/417351
Method and system for controlling the amount of secondary air introduced into an internal combustion engine Apr 4, 1995 Issued
Array ( [id] => 3637219 [patent_doc_number] => 05605040 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-02-25 [patent_title] => 'Inferring temperature of a heated exhaust gas oxygen sensor' [patent_app_type] => 1 [patent_app_number] => 8/412663 [patent_app_country] => US [patent_app_date] => 1995-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3339 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/605/05605040.pdf [firstpage_image] =>[orig_patent_app_number] => 412663 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/412663
Inferring temperature of a heated exhaust gas oxygen sensor Mar 28, 1995 Issued
Array ( [id] => 3675403 [patent_doc_number] => 05678402 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-10-21 [patent_title] => 'Air-fuel ratio control system for internal combustion engines and exhaust system temperature-estimating device applicable thereto' [patent_app_type] => 1 [patent_app_number] => 8/408820 [patent_app_country] => US [patent_app_date] => 1995-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 36 [patent_figures_cnt] => 55 [patent_no_of_words] => 21479 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/678/05678402.pdf [firstpage_image] =>[orig_patent_app_number] => 408820 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/408820
Air-fuel ratio control system for internal combustion engines and exhaust system temperature-estimating device applicable thereto Mar 22, 1995 Issued
Array ( [id] => 3581220 [patent_doc_number] => 05557923 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-09-24 [patent_title] => 'Method and device for removing particles from exhaust gases from internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/367357 [patent_app_country] => US [patent_app_date] => 1995-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2499 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/557/05557923.pdf [firstpage_image] =>[orig_patent_app_number] => 367357 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/367357
Method and device for removing particles from exhaust gases from internal combustion engines Mar 8, 1995 Issued
Array ( [id] => 3713943 [patent_doc_number] => 05634332 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-03 [patent_title] => 'Exhaust gas purification apparatus' [patent_app_type] => 1 [patent_app_number] => 8/401915 [patent_app_country] => US [patent_app_date] => 1995-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 30 [patent_no_of_words] => 8795 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/634/05634332.pdf [firstpage_image] =>[orig_patent_app_number] => 401915 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/401915
Exhaust gas purification apparatus Mar 8, 1995 Issued
Array ( [id] => 3835943 [patent_doc_number] => 05791139 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-11 [patent_title] => 'Fuel injection control method for an internal-combustion engine provided with NOx reducing catalytic converter and fuel injection controller' [patent_app_type] => 1 [patent_app_number] => 8/393841 [patent_app_country] => US [patent_app_date] => 1995-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 3049 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/791/05791139.pdf [firstpage_image] =>[orig_patent_app_number] => 393841 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/393841
Fuel injection control method for an internal-combustion engine provided with NOx reducing catalytic converter and fuel injection controller Feb 23, 1995 Issued
Array ( [id] => 3713926 [patent_doc_number] => 05634331 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-03 [patent_title] => 'Exhaust gas-purifying device for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/391029 [patent_app_country] => US [patent_app_date] => 1995-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2612 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/634/05634331.pdf [firstpage_image] =>[orig_patent_app_number] => 391029 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/391029
Exhaust gas-purifying device for internal combustion engines Feb 20, 1995 Issued
Array ( [id] => 3574814 [patent_doc_number] => 05519993 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-28 [patent_title] => 'Spark ignition engine exhaust system' [patent_app_type] => 1 [patent_app_number] => 8/391754 [patent_app_country] => US [patent_app_date] => 1995-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 15 [patent_no_of_words] => 4270 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/519/05519993.pdf [firstpage_image] =>[orig_patent_app_number] => 391754 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/391754
Spark ignition engine exhaust system Feb 20, 1995 Issued
08/389340 ESE SYSTEM ECOLOGY SAFE EXHAUST SYSTEM Feb 13, 1995 Abandoned
Array ( [id] => 3853069 [patent_doc_number] => 05802843 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-08 [patent_title] => 'Method and apparatus for diagnosing engine exhaust gas purification system' [patent_app_type] => 1 [patent_app_number] => 8/386659 [patent_app_country] => US [patent_app_date] => 1995-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4687 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/802/05802843.pdf [firstpage_image] =>[orig_patent_app_number] => 386659 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/386659
Method and apparatus for diagnosing engine exhaust gas purification system Feb 9, 1995 Issued
Array ( [id] => 3603998 [patent_doc_number] => 05613360 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-25 [patent_title] => 'Warming up control device for a catalytic converter for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/385436 [patent_app_country] => US [patent_app_date] => 1995-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 7449 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/613/05613360.pdf [firstpage_image] =>[orig_patent_app_number] => 385436 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/385436
Warming up control device for a catalytic converter for an internal combustion engine Feb 7, 1995 Issued
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