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] => 2885764 [patent_doc_number] => 05214915 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-01 [patent_title] => 'Method and arrangement for simulating the dynamic performance of an exhaust gas catalyzer' [patent_app_type] => 1 [patent_app_number] => 7/870262 [patent_app_country] => US [patent_app_date] => 1992-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 5196 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 374 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/214/05214915.pdf [firstpage_image] =>[orig_patent_app_number] => 870262 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/870262
Method and arrangement for simulating the dynamic performance of an exhaust gas catalyzer Apr 16, 1992 Issued
Array ( [id] => 3027376 [patent_doc_number] => 05303547 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-19 [patent_title] => 'Emissions control system and method' [patent_app_type] => 1 [patent_app_number] => 7/869028 [patent_app_country] => US [patent_app_date] => 1992-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 6079 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/303/05303547.pdf [firstpage_image] =>[orig_patent_app_number] => 869028 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/869028
Emissions control system and method Apr 14, 1992 Issued
Array ( [id] => 2911702 [patent_doc_number] => 05218817 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-15 [patent_title] => 'Method and apparatus of purifying exhaust gas from internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/868188 [patent_app_country] => US [patent_app_date] => 1992-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1831 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/218/05218817.pdf [firstpage_image] =>[orig_patent_app_number] => 868188 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/868188
Method and apparatus of purifying exhaust gas from internal combustion engine Apr 13, 1992 Issued
Array ( [id] => 2905485 [patent_doc_number] => 05185998 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-16 [patent_title] => 'Catalytic converter accessory apparatus' [patent_app_type] => 1 [patent_app_number] => 7/866625 [patent_app_country] => US [patent_app_date] => 1992-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2853 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/185/05185998.pdf [firstpage_image] =>[orig_patent_app_number] => 866625 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/866625
Catalytic converter accessory apparatus Apr 9, 1992 Issued
Array ( [id] => 3071162 [patent_doc_number] => 05367876 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-29 [patent_title] => 'Apparatus for controlling of automotive exhaust emissions by treatment of exhausting gases traveling through an automotive exhaust conduit' [patent_app_type] => 1 [patent_app_number] => 7/862118 [patent_app_country] => US [patent_app_date] => 1992-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3348 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 367 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/367/05367876.pdf [firstpage_image] =>[orig_patent_app_number] => 862118 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/862118
Apparatus for controlling of automotive exhaust emissions by treatment of exhausting gases traveling through an automotive exhaust conduit Apr 1, 1992 Issued
07/858819 POLLUTION CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINES Mar 31, 1992 Abandoned
Array ( [id] => 2927281 [patent_doc_number] => 05261231 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-16 [patent_title] => 'Intake/exhaust air pressure balancer and method of reducing intake/exhaust air pressure resistance' [patent_app_type] => 1 [patent_app_number] => 7/861443 [patent_app_country] => US [patent_app_date] => 1992-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 3075 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/261/05261231.pdf [firstpage_image] =>[orig_patent_app_number] => 861443 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/861443
Intake/exhaust air pressure balancer and method of reducing intake/exhaust air pressure resistance Mar 31, 1992 Issued
07/859762 EXHAUST PURIFICATION APPARATUS FOR AN ENGINE Mar 29, 1992 Issued
Array ( [id] => 2887753 [patent_doc_number] => 05247793 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-28 [patent_title] => 'Exhaust purification system for multiple cylinder engines' [patent_app_type] => 1 [patent_app_number] => 7/859014 [patent_app_country] => US [patent_app_date] => 1992-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 12 [patent_no_of_words] => 4649 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 331 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/247/05247793.pdf [firstpage_image] =>[orig_patent_app_number] => 859014 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/859014
Exhaust purification system for multiple cylinder engines Mar 29, 1992 Issued
Array ( [id] => 2911742 [patent_doc_number] => 05195317 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-23 [patent_title] => 'Filter regenerating apparatus for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/858242 [patent_app_country] => US [patent_app_date] => 1992-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 5423 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/195/05195317.pdf [firstpage_image] =>[orig_patent_app_number] => 858242 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/858242
Filter regenerating apparatus for an internal combustion engine Mar 25, 1992 Issued
07/858012 AIR-FUEL RATIO CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE Mar 25, 1992 Abandoned
Array ( [id] => 2867541 [patent_doc_number] => 05237818 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-24 [patent_title] => 'Conversion efficiency measuring apparatus of catalyst used for exhaust gas purification of internal combustion engine and the method of the same' [patent_app_type] => 1 [patent_app_number] => 7/854390 [patent_app_country] => US [patent_app_date] => 1992-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 2491 [patent_no_of_claims] => 33 [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/05/237/05237818.pdf [firstpage_image] =>[orig_patent_app_number] => 854390 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/854390
Conversion efficiency measuring apparatus of catalyst used for exhaust gas purification of internal combustion engine and the method of the same Mar 18, 1992 Issued
Array ( [id] => 2873537 [patent_doc_number] => 05239826 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-31 [patent_title] => 'Exhaust system for engine' [patent_app_type] => 1 [patent_app_number] => 7/853602 [patent_app_country] => US [patent_app_date] => 1992-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3908 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/239/05239826.pdf [firstpage_image] =>[orig_patent_app_number] => 853602 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/853602
Exhaust system for engine Mar 17, 1992 Issued
Array ( [id] => 3048922 [patent_doc_number] => 05335492 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-09 [patent_title] => 'Exhaust gas filter and/or a catalytic converter' [patent_app_type] => 1 [patent_app_number] => 7/851617 [patent_app_country] => US [patent_app_date] => 1992-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2980 [patent_no_of_claims] => 10 [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/05/335/05335492.pdf [firstpage_image] =>[orig_patent_app_number] => 851617 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/851617
Exhaust gas filter and/or a catalytic converter Mar 15, 1992 Issued
Array ( [id] => 2805766 [patent_doc_number] => 05172549 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-22 [patent_title] => 'Air-fuel ratio control device for an engine' [patent_app_type] => 1 [patent_app_number] => 7/850855 [patent_app_country] => US [patent_app_date] => 1992-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 38 [patent_no_of_words] => 6773 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/172/05172549.pdf [firstpage_image] =>[orig_patent_app_number] => 850855 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/850855
Air-fuel ratio control device for an engine Mar 12, 1992 Issued
Array ( [id] => 2762696 [patent_doc_number] => 05163290 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-17 [patent_title] => 'Ignition system battery for preheating of automotive catalytic converter' [patent_app_type] => 1 [patent_app_number] => 7/849568 [patent_app_country] => US [patent_app_date] => 1992-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3543 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/163/05163290.pdf [firstpage_image] =>[orig_patent_app_number] => 849568 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/849568
Ignition system battery for preheating of automotive catalytic converter Mar 10, 1992 Issued
Array ( [id] => 2874468 [patent_doc_number] => 05243819 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-14 [patent_title] => 'Exhaust gas cleaning device for diesel engines' [patent_app_type] => 1 [patent_app_number] => 7/850392 [patent_app_country] => US [patent_app_date] => 1992-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3057 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/243/05243819.pdf [firstpage_image] =>[orig_patent_app_number] => 850392 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/850392
Exhaust gas cleaning device for diesel engines Mar 10, 1992 Issued
Array ( [id] => 2870887 [patent_doc_number] => 05209061 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-11 [patent_title] => 'Exhaust gas purification system for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/848386 [patent_app_country] => US [patent_app_date] => 1992-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3729 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/209/05209061.pdf [firstpage_image] =>[orig_patent_app_number] => 848386 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/848386
Exhaust gas purification system for an internal combustion engine Mar 8, 1992 Issued
Array ( [id] => 2915716 [patent_doc_number] => 05259190 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-09 [patent_title] => 'Heated cellular structures' [patent_app_type] => 1 [patent_app_number] => 7/848094 [patent_app_country] => US [patent_app_date] => 1992-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4740 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/259/05259190.pdf [firstpage_image] =>[orig_patent_app_number] => 848094 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/848094
Heated cellular structures Mar 8, 1992 Issued
Array ( [id] => 2864950 [patent_doc_number] => 05212947 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-25 [patent_title] => 'Failure-detecting device for air-fuel ratio sensors of internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 7/847515 [patent_app_country] => US [patent_app_date] => 1992-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 5 [patent_no_of_words] => 3772 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/212/05212947.pdf [firstpage_image] =>[orig_patent_app_number] => 847515 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/847515
Failure-detecting device for air-fuel ratio sensors of internal combustion engines Mar 5, 1992 Issued
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