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] => 3458957 [patent_doc_number] => 05426935 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-06-27 [patent_title] => 'Air-fuel ratio control system for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/064219 [patent_app_country] => US [patent_app_date] => 1993-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 8151 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 320 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/426/05426935.pdf [firstpage_image] =>[orig_patent_app_number] => 064219 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/064219
Air-fuel ratio control system for internal combustion engines May 18, 1993 Issued
Array ( [id] => 3436574 [patent_doc_number] => 05377486 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-03 [patent_title] => 'Catalytic converter system' [patent_app_type] => 1 [patent_app_number] => 8/061466 [patent_app_country] => US [patent_app_date] => 1993-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1514 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 379 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/377/05377486.pdf [firstpage_image] =>[orig_patent_app_number] => 061466 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/061466
Catalytic converter system May 16, 1993 Issued
Array ( [id] => 3085303 [patent_doc_number] => 05417062 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-23 [patent_title] => 'Heatable catalytic converter configuration for cleaning the exhaust gases of internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/061170 [patent_app_country] => US [patent_app_date] => 1993-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2196 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/417/05417062.pdf [firstpage_image] =>[orig_patent_app_number] => 061170 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/061170
Heatable catalytic converter configuration for cleaning the exhaust gases of internal combustion engines May 11, 1993 Issued
Array ( [id] => 2970984 [patent_doc_number] => 05365733 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-22 [patent_title] => 'Exhaust gas purification system for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/060375 [patent_app_country] => US [patent_app_date] => 1993-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 4845 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 343 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/365/05365733.pdf [firstpage_image] =>[orig_patent_app_number] => 060375 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/060375
Exhaust gas purification system for an internal combustion engine May 6, 1993 Issued
Array ( [id] => 3475751 [patent_doc_number] => 05535586 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-16 [patent_title] => 'Engine ignition period controller' [patent_app_type] => 1 [patent_app_number] => 8/055017 [patent_app_country] => US [patent_app_date] => 1993-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 4343 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/535/05535586.pdf [firstpage_image] =>[orig_patent_app_number] => 055017 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/055017
Engine ignition period controller Apr 29, 1993 Issued
Array ( [id] => 3102669 [patent_doc_number] => 05435129 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-25 [patent_title] => 'Apparatus for controlling air feeding to exhaust pipe of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/053017 [patent_app_country] => US [patent_app_date] => 1993-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 18 [patent_no_of_words] => 7582 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/435/05435129.pdf [firstpage_image] =>[orig_patent_app_number] => 053017 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/053017
Apparatus for controlling air feeding to exhaust pipe of internal combustion engine Apr 26, 1993 Issued
Array ( [id] => 3444833 [patent_doc_number] => 05390494 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-21 [patent_title] => 'Pipe assembly for efficient light-off of catalytic converter' [patent_app_type] => 1 [patent_app_number] => 8/053612 [patent_app_country] => US [patent_app_date] => 1993-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 3312 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/390/05390494.pdf [firstpage_image] =>[orig_patent_app_number] => 053612 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/053612
Pipe assembly for efficient light-off of catalytic converter Apr 26, 1993 Issued
Array ( [id] => 2979070 [patent_doc_number] => 05369956 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-12-06 [patent_title] => 'Exhaust gas aftertreatment device for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/053009 [patent_app_country] => US [patent_app_date] => 1993-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1550 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/369/05369956.pdf [firstpage_image] =>[orig_patent_app_number] => 053009 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/053009
Exhaust gas aftertreatment device for internal combustion engines Apr 26, 1993 Issued
Array ( [id] => 3430043 [patent_doc_number] => 05419121 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-30 [patent_title] => 'Method and apparatus for reduction of pollutants emitted from automotive engines by flame incineration' [patent_app_type] => 1 [patent_app_number] => 8/048496 [patent_app_country] => US [patent_app_date] => 1993-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 5463 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/419/05419121.pdf [firstpage_image] =>[orig_patent_app_number] => 048496 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/048496
Method and apparatus for reduction of pollutants emitted from automotive engines by flame incineration Apr 15, 1993 Issued
Array ( [id] => 3042970 [patent_doc_number] => 05351483 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-04 [patent_title] => 'Integral unitary manifold-muffler-catalyst device' [patent_app_type] => 1 [patent_app_number] => 8/046704 [patent_app_country] => US [patent_app_date] => 1993-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 3900 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/351/05351483.pdf [firstpage_image] =>[orig_patent_app_number] => 046704 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/046704
Integral unitary manifold-muffler-catalyst device Apr 15, 1993 Issued
Array ( [id] => 2995751 [patent_doc_number] => 05331808 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-26 [patent_title] => 'Oxygen-sensor abnormality detecting device for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/046182 [patent_app_country] => US [patent_app_date] => 1993-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 3845 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/331/05331808.pdf [firstpage_image] =>[orig_patent_app_number] => 046182 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/046182
Oxygen-sensor abnormality detecting device for internal combustion engine Apr 13, 1993 Issued
Array ( [id] => 3049322 [patent_doc_number] => 05293742 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-15 [patent_title] => 'Trap apparatus with tubular filter element' [patent_app_type] => 1 [patent_app_number] => 8/047772 [patent_app_country] => US [patent_app_date] => 1993-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 27 [patent_no_of_words] => 11619 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/293/05293742.pdf [firstpage_image] =>[orig_patent_app_number] => 047772 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/047772
Trap apparatus with tubular filter element Apr 13, 1993 Issued
Array ( [id] => 2975275 [patent_doc_number] => 05357751 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-25 [patent_title] => 'Air/fuel control system providing catalytic monitoring' [patent_app_type] => 1 [patent_app_number] => 8/043713 [patent_app_country] => US [patent_app_date] => 1993-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 2419 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/357/05357751.pdf [firstpage_image] =>[orig_patent_app_number] => 043713 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/043713
Air/fuel control system providing catalytic monitoring Apr 7, 1993 Issued
Array ( [id] => 3078246 [patent_doc_number] => 05313791 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-24 [patent_title] => 'Method for detecting catalyst malfunctions' [patent_app_type] => 1 [patent_app_number] => 8/044524 [patent_app_country] => US [patent_app_date] => 1993-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 7345 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/313/05313791.pdf [firstpage_image] =>[orig_patent_app_number] => 044524 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/044524
Method for detecting catalyst malfunctions Apr 6, 1993 Issued
Array ( [id] => 3446117 [patent_doc_number] => 05381660 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-17 [patent_title] => 'Engine exhaust reburner system and method' [patent_app_type] => 1 [patent_app_number] => 8/043233 [patent_app_country] => US [patent_app_date] => 1993-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 7320 [patent_no_of_claims] => 1 [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/05/381/05381660.pdf [firstpage_image] =>[orig_patent_app_number] => 043233 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/043233
Engine exhaust reburner system and method Apr 5, 1993 Issued
Array ( [id] => 3446103 [patent_doc_number] => 05381659 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-17 [patent_title] => 'Engine exhaust reburner system and method' [patent_app_type] => 1 [patent_app_number] => 8/045334 [patent_app_country] => US [patent_app_date] => 1993-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 6577 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/381/05381659.pdf [firstpage_image] =>[orig_patent_app_number] => 045334 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/045334
Engine exhaust reburner system and method Apr 5, 1993 Issued
Array ( [id] => 3007609 [patent_doc_number] => 05341643 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-30 [patent_title] => 'Feedback control system' [patent_app_type] => 1 [patent_app_number] => 8/043095 [patent_app_country] => US [patent_app_date] => 1993-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 2108 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/341/05341643.pdf [firstpage_image] =>[orig_patent_app_number] => 043095 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/043095
Feedback control system Apr 4, 1993 Issued
Array ( [id] => 2969092 [patent_doc_number] => 05345762 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-13 [patent_title] => 'Exhaust gas conduit of an internal combustion engine with a starting catalyser arranged near the engine' [patent_app_type] => 1 [patent_app_number] => 8/042016 [patent_app_country] => US [patent_app_date] => 1993-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1194 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/345/05345762.pdf [firstpage_image] =>[orig_patent_app_number] => 042016 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/042016
Exhaust gas conduit of an internal combustion engine with a starting catalyser arranged near the engine Apr 1, 1993 Issued
Array ( [id] => 2999100 [patent_doc_number] => 05325663 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-05 [patent_title] => 'Diagnostic system for a secondary air supplier in an engine' [patent_app_type] => 1 [patent_app_number] => 8/042317 [patent_app_country] => US [patent_app_date] => 1993-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7304 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 365 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/325/05325663.pdf [firstpage_image] =>[orig_patent_app_number] => 042317 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/042317
Diagnostic system for a secondary air supplier in an engine Apr 1, 1993 Issued
Array ( [id] => 2972912 [patent_doc_number] => RE034764 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-25 [patent_title] => 'Exhaust gas discharge system for two-stroke internal combustion engine' [patent_app_type] => 2 [patent_app_number] => 8/042620 [patent_app_country] => US [patent_app_date] => 1993-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 4674 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 25 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/034/RE034764.pdf [firstpage_image] =>[orig_patent_app_number] => 042620 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/042620
Exhaust gas discharge system for two-stroke internal combustion engine Apr 1, 1993 Issued
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