Search

Douglas Hart

Examiner (ID: 9229)

Most Active Art Unit
3406
Art Unit(s)
3745, 3403, 3406, 3402
Total Applications
1469
Issued Applications
1341
Pending Applications
18
Abandoned Applications
110

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3744700 [patent_doc_number] => 05740670 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-21 [patent_title] => 'Water jacketed exhaust pipe for marine exhaust systems' [patent_app_type] => 1 [patent_app_number] => 8/580548 [patent_app_country] => US [patent_app_date] => 1995-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 3168 [patent_no_of_claims] => 14 [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/05/740/05740670.pdf [firstpage_image] =>[orig_patent_app_number] => 580548 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/580548
Water jacketed exhaust pipe for marine exhaust systems Dec 28, 1995 Issued
Array ( [id] => 3865194 [patent_doc_number] => 05832723 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-10 [patent_title] => 'Engine exhaust pipe' [patent_app_type] => 1 [patent_app_number] => 8/580682 [patent_app_country] => US [patent_app_date] => 1995-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 27 [patent_no_of_words] => 7623 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/832/05832723.pdf [firstpage_image] =>[orig_patent_app_number] => 580682 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/580682
Engine exhaust pipe Dec 28, 1995 Issued
Array ( [id] => 3805467 [patent_doc_number] => 05758490 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-02 [patent_title] => 'Fuel metering control system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/581406 [patent_app_country] => US [patent_app_date] => 1995-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 49 [patent_figures_cnt] => 58 [patent_no_of_words] => 24418 [patent_no_of_claims] => 45 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/758/05758490.pdf [firstpage_image] =>[orig_patent_app_number] => 581406 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/581406
Fuel metering control system for internal combustion engine Dec 28, 1995 Issued
Array ( [id] => 3638991 [patent_doc_number] => 05657626 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-08-19 [patent_title] => 'Exhaust system with a negative flow fluidics apparatus' [patent_app_type] => 1 [patent_app_number] => 8/578003 [patent_app_country] => US [patent_app_date] => 1995-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 5878 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/657/05657626.pdf [firstpage_image] =>[orig_patent_app_number] => 578003 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/578003
Exhaust system with a negative flow fluidics apparatus Dec 21, 1995 Issued
Array ( [id] => 3678637 [patent_doc_number] => 05675968 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-10-14 [patent_title] => 'Secondary air control apparatus for exhaust gas purifier' [patent_app_type] => 1 [patent_app_number] => 8/576395 [patent_app_country] => US [patent_app_date] => 1995-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 6982 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/675/05675968.pdf [firstpage_image] =>[orig_patent_app_number] => 576395 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/576395
Secondary air control apparatus for exhaust gas purifier Dec 20, 1995 Issued
Array ( [id] => 3744048 [patent_doc_number] => 05771684 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-30 [patent_title] => 'Gas treatment systems' [patent_app_type] => 1 [patent_app_number] => 8/575426 [patent_app_country] => US [patent_app_date] => 1995-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 6569 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/771/05771684.pdf [firstpage_image] =>[orig_patent_app_number] => 575426 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/575426
Gas treatment systems Dec 19, 1995 Issued
Array ( [id] => 3688844 [patent_doc_number] => 05653105 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-08-05 [patent_title] => 'Device for the treatment of the exhaust gases of a spark-ignition engine comprising a catalyst body and a hydrocarbons adsorber placed in an exhaust manifold' [patent_app_type] => 1 [patent_app_number] => 8/574235 [patent_app_country] => US [patent_app_date] => 1995-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 5006 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/653/05653105.pdf [firstpage_image] =>[orig_patent_app_number] => 574235 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/574235
Device for the treatment of the exhaust gases of a spark-ignition engine comprising a catalyst body and a hydrocarbons adsorber placed in an exhaust manifold Dec 17, 1995 Issued
Array ( [id] => 966281 [patent_doc_number] => 06941749 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-09-13 [patent_title] => 'Device for the treatment of the exhaust gases of a compression-ignition engine comprising a catalyst and a nitrogen oxide adsorber placed in the exhaust manifold' [patent_app_type] => utility [patent_app_number] => 08/574136 [patent_app_country] => US [patent_app_date] => 1995-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 5131 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/941/06941749.pdf [firstpage_image] =>[orig_patent_app_number] => 08574136 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/574136
Device for the treatment of the exhaust gases of a compression-ignition engine comprising a catalyst and a nitrogen oxide adsorber placed in the exhaust manifold Dec 17, 1995 Issued
Array ( [id] => 3715946 [patent_doc_number] => 05697215 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-16 [patent_title] => 'Exhaust piping for a catalytic exhaust system' [patent_app_type] => 1 [patent_app_number] => 8/549768 [patent_app_country] => US [patent_app_date] => 1995-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3382 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/697/05697215.pdf [firstpage_image] =>[orig_patent_app_number] => 549768 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/549768
Exhaust piping for a catalytic exhaust system Nov 30, 1995 Issued
Array ( [id] => 3727421 [patent_doc_number] => 05715678 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-02-10 [patent_title] => 'System for monitoring the efficiency of a catalyser, particularly for motor vehicles' [patent_app_type] => 1 [patent_app_number] => 8/564872 [patent_app_country] => US [patent_app_date] => 1995-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4520 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/715/05715678.pdf [firstpage_image] =>[orig_patent_app_number] => 564872 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/564872
System for monitoring the efficiency of a catalyser, particularly for motor vehicles Nov 27, 1995 Issued
Array ( [id] => 3683421 [patent_doc_number] => 05673555 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-10-07 [patent_title] => 'Method for checking the efficiency of a catalytic converter' [patent_app_type] => 1 [patent_app_number] => 8/562803 [patent_app_country] => US [patent_app_date] => 1995-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1843 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/673/05673555.pdf [firstpage_image] =>[orig_patent_app_number] => 562803 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/562803
Method for checking the efficiency of a catalytic converter Nov 26, 1995 Issued
Array ( [id] => 3744685 [patent_doc_number] => 05740669 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-21 [patent_title] => 'Exhaust gas purification device for an engine' [patent_app_type] => 1 [patent_app_number] => 8/559107 [patent_app_country] => US [patent_app_date] => 1995-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 18 [patent_no_of_words] => 11561 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/740/05740669.pdf [firstpage_image] =>[orig_patent_app_number] => 559107 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/559107
Exhaust gas purification device for an engine Nov 15, 1995 Issued
Array ( [id] => 3631570 [patent_doc_number] => 05628186 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-05-13 [patent_title] => 'Method and apparatus for controlled introduction of a reducing agent into a nitrogen oxide-containing exhaust gas' [patent_app_type] => 1 [patent_app_number] => 8/551791 [patent_app_country] => US [patent_app_date] => 1995-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 6709 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/628/05628186.pdf [firstpage_image] =>[orig_patent_app_number] => 551791 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/551791
Method and apparatus for controlled introduction of a reducing agent into a nitrogen oxide-containing exhaust gas Nov 6, 1995 Issued
Array ( [id] => 3712756 [patent_doc_number] => 05692374 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-02 [patent_title] => 'Exhaust system of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/552797 [patent_app_country] => US [patent_app_date] => 1995-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 3648 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/692/05692374.pdf [firstpage_image] =>[orig_patent_app_number] => 552797 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/552797
Exhaust system of internal combustion engine Nov 2, 1995 Issued
Array ( [id] => 3609509 [patent_doc_number] => 05685144 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-11-11 [patent_title] => 'Operation of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/537655 [patent_app_country] => US [patent_app_date] => 1995-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2244 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/685/05685144.pdf [firstpage_image] =>[orig_patent_app_number] => 537655 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/537655
Operation of an internal combustion engine Oct 12, 1995 Issued
Array ( [id] => 3675417 [patent_doc_number] => 05678403 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-10-21 [patent_title] => 'Adsorption apparatus for unburnt hydrocarbons for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/539529 [patent_app_country] => US [patent_app_date] => 1995-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 3217 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/678/05678403.pdf [firstpage_image] =>[orig_patent_app_number] => 539529 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/539529
Adsorption apparatus for unburnt hydrocarbons for internal combustion engine Oct 5, 1995 Issued
Array ( [id] => 3665843 [patent_doc_number] => 05632144 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-05-27 [patent_title] => 'Exhaust gas re-circulation control device for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/535937 [patent_app_country] => US [patent_app_date] => 1995-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 26 [patent_no_of_words] => 6603 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/632/05632144.pdf [firstpage_image] =>[orig_patent_app_number] => 535937 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/535937
Exhaust gas re-circulation control device for internal combustion engines Sep 27, 1995 Issued
Array ( [id] => 3819467 [patent_doc_number] => 05743082 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-28 [patent_title] => 'Apparatus for detecting reduction of purifying capacity of catalyst for purifying exhaust gas from internal combustion engine and method thereof' [patent_app_type] => 1 [patent_app_number] => 8/535641 [patent_app_country] => US [patent_app_date] => 1995-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 8051 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/743/05743082.pdf [firstpage_image] =>[orig_patent_app_number] => 535641 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/535641
Apparatus for detecting reduction of purifying capacity of catalyst for purifying exhaust gas from internal combustion engine and method thereof Sep 27, 1995 Issued
Array ( [id] => 3868240 [patent_doc_number] => 05713197 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-02-03 [patent_title] => 'Catalyst deterioration-detecting system for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/533209 [patent_app_country] => US [patent_app_date] => 1995-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 10165 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/713/05713197.pdf [firstpage_image] =>[orig_patent_app_number] => 533209 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/533209
Catalyst deterioration-detecting system for internal combustion engines Sep 24, 1995 Issued
Array ( [id] => 3669330 [patent_doc_number] => 05661976 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-09-02 [patent_title] => 'Gasketless coupling' [patent_app_type] => 1 [patent_app_number] => 8/529337 [patent_app_country] => US [patent_app_date] => 1995-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1035 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 301 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/661/05661976.pdf [firstpage_image] =>[orig_patent_app_number] => 529337 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/529337
Gasketless coupling Sep 17, 1995 Issued
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