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] => 3466814 [patent_doc_number] => 05444975 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-29 [patent_title] => 'Method and arrangement for controlling the supply of secondary air for an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/218342 [patent_app_country] => US [patent_app_date] => 1994-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3068 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/444/05444975.pdf [firstpage_image] =>[orig_patent_app_number] => 218342 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/218342
Method and arrangement for controlling the supply of secondary air for an internal combustion engine Mar 24, 1994 Issued
Array ( [id] => 3543046 [patent_doc_number] => 05501074 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-03-26 [patent_title] => 'Exhaust gas purifying system' [patent_app_type] => 1 [patent_app_number] => 8/215769 [patent_app_country] => US [patent_app_date] => 1994-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2953 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/501/05501074.pdf [firstpage_image] =>[orig_patent_app_number] => 215769 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/215769
Exhaust gas purifying system Mar 21, 1994 Issued
Array ( [id] => 3395238 [patent_doc_number] => 05459997 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-24 [patent_title] => 'Engine exhaust gas purification system' [patent_app_type] => 1 [patent_app_number] => 8/215766 [patent_app_country] => US [patent_app_date] => 1994-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3199 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/459/05459997.pdf [firstpage_image] =>[orig_patent_app_number] => 215766 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/215766
Engine exhaust gas purification system Mar 21, 1994 Issued
Array ( [id] => 3430066 [patent_doc_number] => 05419123 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-30 [patent_title] => 'Emission control device and method' [patent_app_type] => 1 [patent_app_number] => 8/209922 [patent_app_country] => US [patent_app_date] => 1994-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 5490 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/419/05419123.pdf [firstpage_image] =>[orig_patent_app_number] => 209922 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/209922
Emission control device and method Mar 16, 1994 Issued
Array ( [id] => 3536206 [patent_doc_number] => 05517820 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-21 [patent_title] => 'Exhaust gas purifying apparatus and method for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/214303 [patent_app_country] => US [patent_app_date] => 1994-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 4712 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/517/05517820.pdf [firstpage_image] =>[orig_patent_app_number] => 214303 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/214303
Exhaust gas purifying apparatus and method for internal combustion engine Mar 16, 1994 Issued
Array ( [id] => 3406771 [patent_doc_number] => 05457957 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-17 [patent_title] => 'Method and apparatus for heating a catalytic converter upon cold engine starting' [patent_app_type] => 1 [patent_app_number] => 8/214361 [patent_app_country] => US [patent_app_date] => 1994-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1278 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/457/05457957.pdf [firstpage_image] =>[orig_patent_app_number] => 214361 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/214361
Method and apparatus for heating a catalytic converter upon cold engine starting Mar 15, 1994 Issued
Array ( [id] => 3574795 [patent_doc_number] => 05519992 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-28 [patent_title] => 'Exhaust gas purification system for internal combustion engine, and apparatus and method for controlling the same' [patent_app_type] => 1 [patent_app_number] => 8/212740 [patent_app_country] => US [patent_app_date] => 1994-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 35 [patent_no_of_words] => 26371 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/519/05519992.pdf [firstpage_image] =>[orig_patent_app_number] => 212740 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/212740
Exhaust gas purification system for internal combustion engine, and apparatus and method for controlling the same Mar 13, 1994 Issued
Array ( [id] => 3425785 [patent_doc_number] => 05428957 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-04 [patent_title] => 'Exhaust stack stopper' [patent_app_type] => 1 [patent_app_number] => 8/209415 [patent_app_country] => US [patent_app_date] => 1994-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 3892 [patent_no_of_claims] => 20 [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/05/428/05428957.pdf [firstpage_image] =>[orig_patent_app_number] => 209415 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/209415
Exhaust stack stopper Mar 10, 1994 Issued
Array ( [id] => 3598337 [patent_doc_number] => 05509268 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-04-23 [patent_title] => 'Combustion state-determining system and combustion state control system for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/208686 [patent_app_country] => US [patent_app_date] => 1994-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 6284 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/509/05509268.pdf [firstpage_image] =>[orig_patent_app_number] => 208686 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/208686
Combustion state-determining system and combustion state control system for internal combustion engines Mar 10, 1994 Issued
Array ( [id] => 3466858 [patent_doc_number] => 05444978 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-29 [patent_title] => 'Catalyst warming up device of an internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/209019 [patent_app_country] => US [patent_app_date] => 1994-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 26 [patent_no_of_words] => 11265 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/444/05444978.pdf [firstpage_image] =>[orig_patent_app_number] => 209019 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/209019
Catalyst warming up device of an internal combustion engine Mar 10, 1994 Issued
Array ( [id] => 3396955 [patent_doc_number] => 05437154 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-01 [patent_title] => 'Misfire-detecting system for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 8/207668 [patent_app_country] => US [patent_app_date] => 1994-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 28 [patent_no_of_words] => 9180 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/437/05437154.pdf [firstpage_image] =>[orig_patent_app_number] => 207668 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/207668
Misfire-detecting system for internal combustion engines Mar 8, 1994 Issued
Array ( [id] => 3406744 [patent_doc_number] => 05457955 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-17 [patent_title] => 'Fluid purification with isolation chambers' [patent_app_type] => 1 [patent_app_number] => 8/207530 [patent_app_country] => US [patent_app_date] => 1994-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 3414 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/457/05457955.pdf [firstpage_image] =>[orig_patent_app_number] => 207530 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/207530
Fluid purification with isolation chambers Mar 6, 1994 Issued
Array ( [id] => 3645177 [patent_doc_number] => 05666804 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-09-16 [patent_title] => 'Secondary air supplying apparatus for internal combustion engine and air heating apparatus thereof' [patent_app_type] => 1 [patent_app_number] => 8/205849 [patent_app_country] => US [patent_app_date] => 1994-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 37 [patent_no_of_words] => 13435 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/666/05666804.pdf [firstpage_image] =>[orig_patent_app_number] => 205849 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/205849
Secondary air supplying apparatus for internal combustion engine and air heating apparatus thereof Mar 3, 1994 Issued
Array ( [id] => 3444806 [patent_doc_number] => 05390492 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-21 [patent_title] => 'Flow-through particulate incineration system coupled to an aerodynamically regenerated particulate trap for diesel engine exhaust gas' [patent_app_type] => 1 [patent_app_number] => 8/201849 [patent_app_country] => US [patent_app_date] => 1994-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 17 [patent_no_of_words] => 8801 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 293 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/390/05390492.pdf [firstpage_image] =>[orig_patent_app_number] => 201849 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/201849
Flow-through particulate incineration system coupled to an aerodynamically regenerated particulate trap for diesel engine exhaust gas Feb 24, 1994 Issued
Array ( [id] => 3404521 [patent_doc_number] => 05452578 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-26 [patent_title] => 'Exhaust cutout device' [patent_app_type] => 1 [patent_app_number] => 8/199491 [patent_app_country] => US [patent_app_date] => 1994-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1787 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 479 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/452/05452578.pdf [firstpage_image] =>[orig_patent_app_number] => 199491 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/199491
Exhaust cutout device Feb 21, 1994 Issued
Array ( [id] => 3645885 [patent_doc_number] => 05623824 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-29 [patent_title] => 'Air-fuel ratio control system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/198395 [patent_app_country] => US [patent_app_date] => 1994-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3629 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 293 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/623/05623824.pdf [firstpage_image] =>[orig_patent_app_number] => 198395 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/198395
Air-fuel ratio control system for internal combustion engine Feb 17, 1994 Issued
Array ( [id] => 3409785 [patent_doc_number] => 05414995 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-16 [patent_title] => 'Failure detection system for air-fuel ratio control system' [patent_app_type] => 1 [patent_app_number] => 8/195671 [patent_app_country] => US [patent_app_date] => 1994-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 7512 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/414/05414995.pdf [firstpage_image] =>[orig_patent_app_number] => 195671 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/195671
Failure detection system for air-fuel ratio control system Feb 15, 1994 Issued
Array ( [id] => 3409760 [patent_doc_number] => 05414994 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-16 [patent_title] => 'Method and apparatus to limit a midbed temperature of a catalytic converter' [patent_app_type] => 1 [patent_app_number] => 8/196735 [patent_app_country] => US [patent_app_date] => 1994-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5090 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/414/05414994.pdf [firstpage_image] =>[orig_patent_app_number] => 196735 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/196735
Method and apparatus to limit a midbed temperature of a catalytic converter Feb 14, 1994 Issued
Array ( [id] => 3396921 [patent_doc_number] => 05437153 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-01 [patent_title] => 'Exhaust purification device of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/193143 [patent_app_country] => US [patent_app_date] => 1994-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 33 [patent_no_of_words] => 15854 [patent_no_of_claims] => 37 [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/05/437/05437153.pdf [firstpage_image] =>[orig_patent_app_number] => 193143 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/193143
Exhaust purification device of internal combustion engine Feb 13, 1994 Issued
Array ( [id] => 3441039 [patent_doc_number] => 05450722 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-19 [patent_title] => 'Exhaust purification device of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/196144 [patent_app_country] => US [patent_app_date] => 1994-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 17 [patent_no_of_words] => 7803 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/450/05450722.pdf [firstpage_image] =>[orig_patent_app_number] => 196144 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/196144
Exhaust purification device of internal combustion engine Feb 13, 1994 Issued
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