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] => 3848996 [patent_doc_number] => 05761902 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-09 [patent_title] => 'Change-over valve unit for switching exhaust gas passages and exhaust gas purifying system' [patent_app_type] => 1 [patent_app_number] => 8/507949 [patent_app_country] => US [patent_app_date] => 1995-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 9301 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/761/05761902.pdf [firstpage_image] =>[orig_patent_app_number] => 507949 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/507949
Change-over valve unit for switching exhaust gas passages and exhaust gas purifying system Jul 26, 1995 Issued
Array ( [id] => 3639020 [patent_doc_number] => 05657628 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-08-19 [patent_title] => 'Secondary air supply system for engine' [patent_app_type] => 1 [patent_app_number] => 8/507731 [patent_app_country] => US [patent_app_date] => 1995-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3896 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/657/05657628.pdf [firstpage_image] =>[orig_patent_app_number] => 507731 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/507731
Secondary air supply system for engine Jul 25, 1995 Issued
Array ( [id] => 3708639 [patent_doc_number] => 05701735 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-30 [patent_title] => 'Method for regenerating a particulate collection filter and an exhaust emission control system with a particulate collection filter' [patent_app_type] => 1 [patent_app_number] => 8/507209 [patent_app_country] => US [patent_app_date] => 1995-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 29 [patent_no_of_words] => 9649 [patent_no_of_claims] => 12 [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/05/701/05701735.pdf [firstpage_image] =>[orig_patent_app_number] => 507209 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/507209
Method for regenerating a particulate collection filter and an exhaust emission control system with a particulate collection filter Jul 25, 1995 Issued
Array ( [id] => 3631091 [patent_doc_number] => 05636515 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-10 [patent_title] => 'Sealing structure in exhaust system of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/505648 [patent_app_country] => US [patent_app_date] => 1995-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 16 [patent_no_of_words] => 4673 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/636/05636515.pdf [firstpage_image] =>[orig_patent_app_number] => 505648 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/505648
Sealing structure in exhaust system of internal combustion engine Jul 20, 1995 Issued
Array ( [id] => 3715930 [patent_doc_number] => 05697214 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-16 [patent_title] => 'Electronic concentration control system' [patent_app_type] => 1 [patent_app_number] => 8/504402 [patent_app_country] => US [patent_app_date] => 1995-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3236 [patent_no_of_claims] => 14 [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/05/697/05697214.pdf [firstpage_image] =>[orig_patent_app_number] => 504402 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/504402
Electronic concentration control system Jul 18, 1995 Issued
Array ( [id] => 3516755 [patent_doc_number] => 05555725 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-09-17 [patent_title] => 'Control system for electrically heated catalyst of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/503340 [patent_app_country] => US [patent_app_date] => 1995-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 7481 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/555/05555725.pdf [firstpage_image] =>[orig_patent_app_number] => 503340 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/503340
Control system for electrically heated catalyst of internal combustion engine Jul 16, 1995 Issued
Array ( [id] => 3682930 [patent_doc_number] => 05595061 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-21 [patent_title] => 'Catalyst deterioration-detecting device for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/503379 [patent_app_country] => US [patent_app_date] => 1995-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 5557 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/595/05595061.pdf [firstpage_image] =>[orig_patent_app_number] => 503379 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/503379
Catalyst deterioration-detecting device for internal combustion engine Jul 16, 1995 Issued
Array ( [id] => 3683449 [patent_doc_number] => 05644912 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-08 [patent_title] => 'System for diagnosing deterioration of catalyst in exhaust system of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/503256 [patent_app_country] => US [patent_app_date] => 1995-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 4580 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/644/05644912.pdf [firstpage_image] =>[orig_patent_app_number] => 503256 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/503256
System for diagnosing deterioration of catalyst in exhaust system of internal combustion engine Jul 16, 1995 Issued
Array ( [id] => 3607939 [patent_doc_number] => 05606857 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-04 [patent_title] => 'Exhaust system for an engine' [patent_app_type] => 1 [patent_app_number] => 8/500220 [patent_app_country] => US [patent_app_date] => 1995-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 36 [patent_no_of_words] => 4712 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/606/05606857.pdf [firstpage_image] =>[orig_patent_app_number] => 500220 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/500220
Exhaust system for an engine Jul 9, 1995 Issued
Array ( [id] => 3609146 [patent_doc_number] => 05619852 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-15 [patent_title] => 'Air/fuel ratio control system for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/499689 [patent_app_country] => US [patent_app_date] => 1995-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7069 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 331 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/619/05619852.pdf [firstpage_image] =>[orig_patent_app_number] => 499689 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/499689
Air/fuel ratio control system for internal combustion engine Jul 6, 1995 Issued
Array ( [id] => 3606004 [patent_doc_number] => 05600947 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-02-11 [patent_title] => 'Method and system for estimating and controlling electrically heated catalyst temperature' [patent_app_type] => 1 [patent_app_number] => 8/498211 [patent_app_country] => US [patent_app_date] => 1995-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2522 [patent_no_of_claims] => 20 [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/05/600/05600947.pdf [firstpage_image] =>[orig_patent_app_number] => 498211 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/498211
Method and system for estimating and controlling electrically heated catalyst temperature Jul 4, 1995 Issued
Array ( [id] => 3641422 [patent_doc_number] => 05626014 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-05-06 [patent_title] => 'Catalyst monitor based on a thermal power model' [patent_app_type] => 1 [patent_app_number] => 8/497562 [patent_app_country] => US [patent_app_date] => 1995-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2746 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/626/05626014.pdf [firstpage_image] =>[orig_patent_app_number] => 497562 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/497562
Catalyst monitor based on a thermal power model Jun 29, 1995 Issued
Array ( [id] => 3584748 [patent_doc_number] => 05577382 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-26 [patent_title] => 'Exhaust purification device of internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 8/493657 [patent_app_country] => US [patent_app_date] => 1995-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 27 [patent_no_of_words] => 10286 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/577/05577382.pdf [firstpage_image] =>[orig_patent_app_number] => 493657 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/493657
Exhaust purification device of internal combustion engine Jun 21, 1995 Issued
Array ( [id] => 3644416 [patent_doc_number] => 05647206 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-15 [patent_title] => 'Exhaust emission purification apparatus' [patent_app_type] => 1 [patent_app_number] => 8/493505 [patent_app_country] => US [patent_app_date] => 1995-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4035 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/647/05647206.pdf [firstpage_image] =>[orig_patent_app_number] => 493505 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/493505
Exhaust emission purification apparatus Jun 21, 1995 Issued
Array ( [id] => 3591233 [patent_doc_number] => 05588292 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-31 [patent_title] => 'Exhaust gas purifier' [patent_app_type] => 1 [patent_app_number] => 8/493213 [patent_app_country] => US [patent_app_date] => 1995-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 12 [patent_no_of_words] => 2458 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/588/05588292.pdf [firstpage_image] =>[orig_patent_app_number] => 493213 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/493213
Exhaust gas purifier Jun 19, 1995 Issued
Array ( [id] => 3714428 [patent_doc_number] => 05651247 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-29 [patent_title] => 'Exhaust gas purification system' [patent_app_type] => 1 [patent_app_number] => 8/492620 [patent_app_country] => US [patent_app_date] => 1995-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1536 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/651/05651247.pdf [firstpage_image] =>[orig_patent_app_number] => 492620 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/492620
Exhaust gas purification system Jun 19, 1995 Issued
Array ( [id] => 3644430 [patent_doc_number] => 05647207 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-15 [patent_title] => 'Internal-combustion engine including a cylinder shut-off and exhaust gas catalysts' [patent_app_type] => 1 [patent_app_number] => 8/492144 [patent_app_country] => US [patent_app_date] => 1995-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2321 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/647/05647207.pdf [firstpage_image] =>[orig_patent_app_number] => 492144 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/492144
Internal-combustion engine including a cylinder shut-off and exhaust gas catalysts Jun 18, 1995 Issued
Array ( [id] => 3479352 [patent_doc_number] => 05531068 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-02 [patent_title] => 'Combination catalyst/adsorber system for treating an engine exhaust gas stream' [patent_app_type] => 1 [patent_app_number] => 8/492379 [patent_app_country] => US [patent_app_date] => 1995-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4535 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 335 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/531/05531068.pdf [firstpage_image] =>[orig_patent_app_number] => 492379 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/492379
Combination catalyst/adsorber system for treating an engine exhaust gas stream Jun 18, 1995 Issued
Array ( [id] => 3688787 [patent_doc_number] => 05653101 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-08-05 [patent_title] => 'Method for treating an exhaust gas stream for the removal on NOx' [patent_app_type] => 1 [patent_app_number] => 8/492275 [patent_app_country] => US [patent_app_date] => 1995-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1016 [patent_no_of_claims] => 7 [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/05/653/05653101.pdf [firstpage_image] =>[orig_patent_app_number] => 492275 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/492275
Method for treating an exhaust gas stream for the removal on NOx Jun 18, 1995 Issued
Array ( [id] => 3609494 [patent_doc_number] => 05685143 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-11-11 [patent_title] => 'Catalytic exhaust gas purifier and catalytic method of purifying exhaust gas' [patent_app_type] => 1 [patent_app_number] => 8/424442 [patent_app_country] => US [patent_app_date] => 1995-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4499 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/685/05685143.pdf [firstpage_image] =>[orig_patent_app_number] => 424442 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/424442
Catalytic exhaust gas purifier and catalytic method of purifying exhaust gas Jun 15, 1995 Issued
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