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] => 3581544 [patent_doc_number] => 05487269 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-30 [patent_title] => 'Method for monitoring the efficiency of a catalytic converter for treating exhaust gases from an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/232228 [patent_app_country] => US [patent_app_date] => 1994-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4362 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/487/05487269.pdf [firstpage_image] =>[orig_patent_app_number] => 232228 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/232228
Method for monitoring the efficiency of a catalytic converter for treating exhaust gases from an internal combustion engine Jun 21, 1994 Issued
Array ( [id] => 3441512 [patent_doc_number] => 05471835 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-12-05 [patent_title] => 'Exhaust system for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/259909 [patent_app_country] => US [patent_app_date] => 1994-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4847 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/471/05471835.pdf [firstpage_image] =>[orig_patent_app_number] => 259909 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/259909
Exhaust system for internal combustion engines Jun 14, 1994 Issued
Array ( [id] => 3571914 [patent_doc_number] => 05584178 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-17 [patent_title] => 'Exhaust gas combustor' [patent_app_type] => 1 [patent_app_number] => 8/259423 [patent_app_country] => US [patent_app_date] => 1994-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 3875 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/584/05584178.pdf [firstpage_image] =>[orig_patent_app_number] => 259423 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/259423
Exhaust gas combustor Jun 13, 1994 Issued
08/259186 EXHAUST GAS PURIFYING DEVICE FOR AN OUTBOARD MOTOR Jun 12, 1994 Abandoned
Array ( [id] => 3641026 [patent_doc_number] => 05590524 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-07 [patent_title] => 'Damped heat shield' [patent_app_type] => 1 [patent_app_number] => 8/258962 [patent_app_country] => US [patent_app_date] => 1994-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 5981 [patent_no_of_claims] => 43 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/590/05590524.pdf [firstpage_image] =>[orig_patent_app_number] => 258962 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/258962
Damped heat shield Jun 12, 1994 Issued
Array ( [id] => 3641012 [patent_doc_number] => 05590523 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-07 [patent_title] => 'Flow focusing and mixing device' [patent_app_type] => 1 [patent_app_number] => 8/258257 [patent_app_country] => US [patent_app_date] => 1994-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2496 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/590/05590523.pdf [firstpage_image] =>[orig_patent_app_number] => 258257 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/258257
Flow focusing and mixing device Jun 9, 1994 Issued
Array ( [id] => 3412096 [patent_doc_number] => 05461857 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-31 [patent_title] => 'Engine exhaust gas purification device' [patent_app_type] => 1 [patent_app_number] => 8/259751 [patent_app_country] => US [patent_app_date] => 1994-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 31 [patent_no_of_words] => 12024 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/461/05461857.pdf [firstpage_image] =>[orig_patent_app_number] => 259751 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/259751
Engine exhaust gas purification device Jun 9, 1994 Issued
Array ( [id] => 3406785 [patent_doc_number] => 05457958 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-17 [patent_title] => 'Method and apparatus for reducing nitrogen oxides in the exhaust gas of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/257641 [patent_app_country] => US [patent_app_date] => 1994-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2270 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/457/05457958.pdf [firstpage_image] =>[orig_patent_app_number] => 257641 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/257641
Method and apparatus for reducing nitrogen oxides in the exhaust gas of an internal combustion engine Jun 8, 1994 Issued
Array ( [id] => 3100880 [patent_doc_number] => 05448887 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-12 [patent_title] => 'Exhaust gas purification device for an engine' [patent_app_type] => 1 [patent_app_number] => 8/251821 [patent_app_country] => US [patent_app_date] => 1994-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 24 [patent_no_of_words] => 12261 [patent_no_of_claims] => 7 [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/05/448/05448887.pdf [firstpage_image] =>[orig_patent_app_number] => 251821 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/251821
Exhaust gas purification device for an engine May 30, 1994 Issued
Array ( [id] => 3616960 [patent_doc_number] => 05609021 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-11 [patent_title] => 'Operation of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/244183 [patent_app_country] => US [patent_app_date] => 1994-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2931 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/609/05609021.pdf [firstpage_image] =>[orig_patent_app_number] => 244183 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/244183
Operation of an internal combustion engine May 16, 1994 Issued
Array ( [id] => 3535689 [patent_doc_number] => 05572866 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-12 [patent_title] => 'Pollution abatement incinerator system' [patent_app_type] => 1 [patent_app_number] => 8/235566 [patent_app_country] => US [patent_app_date] => 1994-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3667 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/572/05572866.pdf [firstpage_image] =>[orig_patent_app_number] => 235566 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/235566
Pollution abatement incinerator system Apr 28, 1994 Issued
Array ( [id] => 3474331 [patent_doc_number] => 05438830 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-08 [patent_title] => 'Exhaust system of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/234360 [patent_app_country] => US [patent_app_date] => 1994-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 2178 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/438/05438830.pdf [firstpage_image] =>[orig_patent_app_number] => 234360 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/234360
Exhaust system of internal combustion engine Apr 27, 1994 Issued
Array ( [id] => 3513815 [patent_doc_number] => 05582003 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-10 [patent_title] => 'Temperature actuated zeolite in-line adsorber system' [patent_app_type] => 1 [patent_app_number] => 8/234680 [patent_app_country] => US [patent_app_date] => 1994-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4190 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/582/05582003.pdf [firstpage_image] =>[orig_patent_app_number] => 234680 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/234680
Temperature actuated zeolite in-line adsorber system Apr 27, 1994 Issued
Array ( [id] => 3507691 [patent_doc_number] => 05526643 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-18 [patent_title] => 'System for diagnosing deterioration of catalyst' [patent_app_type] => 1 [patent_app_number] => 8/233398 [patent_app_country] => US [patent_app_date] => 1994-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 7404 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/526/05526643.pdf [firstpage_image] =>[orig_patent_app_number] => 233398 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/233398
System for diagnosing deterioration of catalyst Apr 25, 1994 Issued
Array ( [id] => 3523951 [patent_doc_number] => 05479775 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-02 [patent_title] => 'Air-compressing fuel-injection internal-combustion engine with an exhaust treatment device for reduction of nitrogen oxides' [patent_app_type] => 1 [patent_app_number] => 8/232807 [patent_app_country] => US [patent_app_date] => 1994-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2913 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/479/05479775.pdf [firstpage_image] =>[orig_patent_app_number] => 232807 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/232807
Air-compressing fuel-injection internal-combustion engine with an exhaust treatment device for reduction of nitrogen oxides Apr 24, 1994 Issued
Array ( [id] => 3404507 [patent_doc_number] => 05452577 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-26 [patent_title] => 'Exhaust gas system for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/228149 [patent_app_country] => US [patent_app_date] => 1994-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 966 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/452/05452577.pdf [firstpage_image] =>[orig_patent_app_number] => 228149 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/228149
Exhaust gas system for an internal combustion engine Apr 14, 1994 Issued
Array ( [id] => 3426469 [patent_doc_number] => 05465574 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-11-14 [patent_title] => 'Catalytic converter' [patent_app_type] => 1 [patent_app_number] => 8/211731 [patent_app_country] => US [patent_app_date] => 1994-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2119 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/465/05465574.pdf [firstpage_image] =>[orig_patent_app_number] => 211731 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/211731
Catalytic converter Apr 10, 1994 Issued
Array ( [id] => 3819510 [patent_doc_number] => 05743085 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-28 [patent_title] => 'Diagnostic equipment for an exhaust gas cleaning apparatus' [patent_app_type] => 1 [patent_app_number] => 8/224881 [patent_app_country] => US [patent_app_date] => 1994-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 9044 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 255 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/743/05743085.pdf [firstpage_image] =>[orig_patent_app_number] => 224881 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/224881
Diagnostic equipment for an exhaust gas cleaning apparatus Apr 7, 1994 Issued
Array ( [id] => 3581534 [patent_doc_number] => 05487268 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-30 [patent_title] => 'Catalyst for purifying exhaust gas and method of purifying exhaust gas' [patent_app_type] => 1 [patent_app_number] => 8/218238 [patent_app_country] => US [patent_app_date] => 1994-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5682 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/487/05487268.pdf [firstpage_image] =>[orig_patent_app_number] => 218238 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/218238
Catalyst for purifying exhaust gas and method of purifying exhaust gas Mar 27, 1994 Issued
Array ( [id] => 3849038 [patent_doc_number] => 05761904 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-09 [patent_title] => 'Air inlet structure for exhaust passage in engine' [patent_app_type] => 1 [patent_app_number] => 8/218945 [patent_app_country] => US [patent_app_date] => 1994-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1776 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/761/05761904.pdf [firstpage_image] =>[orig_patent_app_number] => 218945 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/218945
Air inlet structure for exhaust passage in engine Mar 27, 1994 Issued
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