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] => 3065781 [patent_doc_number] => 05277026 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-11 [patent_title] => 'Internal combustion engine exhaust system' [patent_app_type] => 1 [patent_app_number] => 8/014540 [patent_app_country] => US [patent_app_date] => 1993-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2430 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/277/05277026.pdf [firstpage_image] =>[orig_patent_app_number] => 014540 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/014540
Internal combustion engine exhaust system Feb 7, 1993 Issued
Array ( [id] => 2997643 [patent_doc_number] => 05301504 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-12 [patent_title] => 'Combination valve' [patent_app_type] => 1 [patent_app_number] => 8/014381 [patent_app_country] => US [patent_app_date] => 1993-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3605 [patent_no_of_claims] => 12 [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/05/301/05301504.pdf [firstpage_image] =>[orig_patent_app_number] => 014381 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/014381
Combination valve Feb 4, 1993 Issued
Array ( [id] => 2969111 [patent_doc_number] => 05345763 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-13 [patent_title] => 'Secondary air control system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/013430 [patent_app_country] => US [patent_app_date] => 1993-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2575 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/345/05345763.pdf [firstpage_image] =>[orig_patent_app_number] => 013430 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/013430
Secondary air control system for internal combustion engine Feb 3, 1993 Issued
Array ( [id] => 2999158 [patent_doc_number] => 05325666 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-05 [patent_title] => 'Exhaust system of an internal-combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/975569 [patent_app_country] => US [patent_app_date] => 1993-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2249 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/325/05325666.pdf [firstpage_image] =>[orig_patent_app_number] => 975569 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/975569
Exhaust system of an internal-combustion engine Feb 3, 1993 Issued
08/013516 CORE ELEMENT USEFUL IN A COMBINED ELECTRICALLY HEATABLE AND LIGHT-OFF CONVERTER Feb 3, 1993 Abandoned
Array ( [id] => 3462987 [patent_doc_number] => 05398504 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-03-21 [patent_title] => 'Layout structure of catalytic converters' [patent_app_type] => 1 [patent_app_number] => 8/010983 [patent_app_country] => US [patent_app_date] => 1993-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 3367 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/398/05398504.pdf [firstpage_image] =>[orig_patent_app_number] => 010983 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/010983
Layout structure of catalytic converters Jan 28, 1993 Issued
Array ( [id] => 3444820 [patent_doc_number] => 05390493 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-21 [patent_title] => 'Apparatus for controlling the electric heating of catalyst' [patent_app_type] => 1 [patent_app_number] => 8/010620 [patent_app_country] => US [patent_app_date] => 1993-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5411 [patent_no_of_claims] => 20 [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/05/390/05390493.pdf [firstpage_image] =>[orig_patent_app_number] => 010620 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/010620
Apparatus for controlling the electric heating of catalyst Jan 27, 1993 Issued
Array ( [id] => 2964399 [patent_doc_number] => 05265419 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-30 [patent_title] => 'Soot-particle filter for after-treatment of the exhaust gases of diesel engines' [patent_app_type] => 1 [patent_app_number] => 8/009664 [patent_app_country] => US [patent_app_date] => 1993-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1003 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/265/05265419.pdf [firstpage_image] =>[orig_patent_app_number] => 009664 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/009664
Soot-particle filter for after-treatment of the exhaust gases of diesel engines Jan 26, 1993 Issued
Array ( [id] => 2984670 [patent_doc_number] => 05329765 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-19 [patent_title] => 'Exhaust pipe assembly for treating the exhaust of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/007562 [patent_app_country] => US [patent_app_date] => 1993-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3046 [patent_no_of_claims] => 10 [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/05/329/05329765.pdf [firstpage_image] =>[orig_patent_app_number] => 007562 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/007562
Exhaust pipe assembly for treating the exhaust of an internal combustion engine Jan 21, 1993 Issued
Array ( [id] => 3028938 [patent_doc_number] => 05323609 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-28 [patent_title] => 'Exhaust system for armored vehicles' [patent_app_type] => 1 [patent_app_number] => 8/007545 [patent_app_country] => US [patent_app_date] => 1993-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2105 [patent_no_of_claims] => 4 [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/05/323/05323609.pdf [firstpage_image] =>[orig_patent_app_number] => 007545 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/007545
Exhaust system for armored vehicles Jan 21, 1993 Issued
Array ( [id] => 3057718 [patent_doc_number] => 05319930 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-14 [patent_title] => 'Exhaust gas purifying device for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/006299 [patent_app_country] => US [patent_app_date] => 1993-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 35 [patent_no_of_words] => 11135 [patent_no_of_claims] => 2 [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/05/319/05319930.pdf [firstpage_image] =>[orig_patent_app_number] => 006299 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/006299
Exhaust gas purifying device for an internal combustion engine Jan 18, 1993 Issued
Array ( [id] => 2999737 [patent_doc_number] => 05287698 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-22 [patent_title] => 'Exhaust gas purifying device for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/006283 [patent_app_country] => US [patent_app_date] => 1993-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 35 [patent_no_of_words] => 11061 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/287/05287698.pdf [firstpage_image] =>[orig_patent_app_number] => 006283 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/006283
Exhaust gas purifying device for an internal combustion engine Jan 18, 1993 Issued
Array ( [id] => 2991419 [patent_doc_number] => 05307627 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-03 [patent_title] => 'Method and apparatus for oxidizing hydrocarbons from exhaust gases' [patent_app_type] => 1 [patent_app_number] => 8/001601 [patent_app_country] => US [patent_app_date] => 1993-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 3970 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/307/05307627.pdf [firstpage_image] =>[orig_patent_app_number] => 001601 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/001601
Method and apparatus for oxidizing hydrocarbons from exhaust gases Jan 6, 1993 Issued
Array ( [id] => 2975257 [patent_doc_number] => 05357750 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-25 [patent_title] => 'Method for detecting deterioration of catalyst and measuring conversion efficiency thereof with an air/fuel ratio sensor' [patent_app_type] => 1 [patent_app_number] => 8/001225 [patent_app_country] => US [patent_app_date] => 1993-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2559 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/357/05357750.pdf [firstpage_image] =>[orig_patent_app_number] => 001225 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/001225
Method for detecting deterioration of catalyst and measuring conversion efficiency thereof with an air/fuel ratio sensor Jan 5, 1993 Issued
Array ( [id] => 3404337 [patent_doc_number] => 05388400 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-14 [patent_title] => 'Diesel engine exhaust regenerable filter system' [patent_app_type] => 1 [patent_app_number] => 7/998839 [patent_app_country] => US [patent_app_date] => 1992-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 22 [patent_no_of_words] => 6670 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/388/05388400.pdf [firstpage_image] =>[orig_patent_app_number] => 998839 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/998839
Diesel engine exhaust regenerable filter system Dec 29, 1992 Issued
Array ( [id] => 3409960 [patent_doc_number] => 05402639 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-04-04 [patent_title] => 'Device for cleaning exhaust gases' [patent_app_type] => 1 [patent_app_number] => 7/971863 [patent_app_country] => US [patent_app_date] => 1992-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 5459 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/402/05402639.pdf [firstpage_image] =>[orig_patent_app_number] => 971863 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/971863
Device for cleaning exhaust gases Dec 28, 1992 Issued
Array ( [id] => 3022940 [patent_doc_number] => 05333447 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-02 [patent_title] => 'Integrated air injection and exhaust gas recirculation system' [patent_app_type] => 1 [patent_app_number] => 7/997585 [patent_app_country] => US [patent_app_date] => 1992-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 2562 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/333/05333447.pdf [firstpage_image] =>[orig_patent_app_number] => 997585 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/997585
Integrated air injection and exhaust gas recirculation system Dec 27, 1992 Issued
Array ( [id] => 3066910 [patent_doc_number] => 05279114 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-18 [patent_title] => 'Apparatus for detecting deterioration of catalyst of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 7/996811 [patent_app_country] => US [patent_app_date] => 1992-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 20 [patent_no_of_words] => 11874 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/279/05279114.pdf [firstpage_image] =>[orig_patent_app_number] => 996811 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/996811
Apparatus for detecting deterioration of catalyst of internal combustion engine Dec 22, 1992 Issued
Array ( [id] => 3430107 [patent_doc_number] => 05419126 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-30 [patent_title] => 'Exhaust silencer' [patent_app_type] => 1 [patent_app_number] => 7/995897 [patent_app_country] => US [patent_app_date] => 1992-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1188 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/419/05419126.pdf [firstpage_image] =>[orig_patent_app_number] => 995897 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/995897
Exhaust silencer Dec 22, 1992 Issued
Array ( [id] => 3031471 [patent_doc_number] => 05343699 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-06 [patent_title] => 'Method and apparatus for improved operation of internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 7/990071 [patent_app_country] => US [patent_app_date] => 1992-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 10353 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/343/05343699.pdf [firstpage_image] =>[orig_patent_app_number] => 990071 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/990071
Method and apparatus for improved operation of internal combustion engines Dec 13, 1992 Issued
Menu