Search

David M. Ostrowski

Examiner (ID: 17772)

Most Active Art Unit
2508
Art Unit(s)
2814, 2899, 2508
Total Applications
439
Issued Applications
348
Pending Applications
12
Abandoned Applications
79

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19282345 [patent_doc_number] => 20240218819 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => EXHAUST GAS TREATMENT UNIT [patent_app_type] => utility [patent_app_number] => 18/685033 [patent_app_country] => US [patent_app_date] => 2022-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2797 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18685033 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/685033
Exhaust gas treatment unit Aug 17, 2022 Issued
Array ( [id] => 18988464 [patent_doc_number] => 20240060433 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => SYSTEM FOR UTILIZING A THERMOMECHANICAL CYCLE TO DRIVE A COMPRESSOR [patent_app_type] => utility [patent_app_number] => 17/889762 [patent_app_country] => US [patent_app_date] => 2022-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8495 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17889762 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/889762
System for utilizing a thermomechanical cycle to drive a compressor Aug 16, 2022 Issued
Array ( [id] => 18825708 [patent_doc_number] => 11840980 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-12-12 [patent_title] => Systems and methods for selective hydrocarbon injection [patent_app_type] => utility [patent_app_number] => 17/881059 [patent_app_country] => US [patent_app_date] => 2022-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1753 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17881059 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/881059
Systems and methods for selective hydrocarbon injection Aug 3, 2022 Issued
Array ( [id] => 18166295 [patent_doc_number] => 20230032897 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => Method to Control an Exhaust Gas After-Treatment System for an Exhaust Gas System of an Internal Combustion Engine [patent_app_type] => utility [patent_app_number] => 17/815306 [patent_app_country] => US [patent_app_date] => 2022-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2517 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 316 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17815306 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/815306
Method to Control an Exhaust Gas After-Treatment System for an Exhaust Gas System of an Internal Combustion Engine Jul 26, 2022 Abandoned
Array ( [id] => 19731556 [patent_doc_number] => 12209547 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Engine controls for exhaust aftertreatment thermal management [patent_app_type] => utility [patent_app_number] => 17/814918 [patent_app_country] => US [patent_app_date] => 2022-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 10129 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17814918 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/814918
Engine controls for exhaust aftertreatment thermal management Jul 25, 2022 Issued
Array ( [id] => 18166201 [patent_doc_number] => 20230032803 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => METHOD, PROCESSING UNIT, AND COMPUTER PROGRAM FOR DETERMINING A CONVERSION CAPABILITY OF AN EXHAUST GAS CATALYTIC CONVERTER [patent_app_type] => utility [patent_app_number] => 17/872616 [patent_app_country] => US [patent_app_date] => 2022-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4333 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17872616 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/872616
Method, processing unit, and computer program for determining a conversion capability of an exhaust gas catalytic converter Jul 24, 2022 Issued
Array ( [id] => 19464919 [patent_doc_number] => 20240318588 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => EXHAUST GAS SYSTEM FOR PURIFYING EXHAUST GASES OF GASOLINE ENGINE [patent_app_type] => utility [patent_app_number] => 18/580561 [patent_app_country] => US [patent_app_date] => 2022-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6214 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18580561 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/580561
Exhaust gas system for purifying exhaust gases of gasoline engine Jul 19, 2022 Issued
Array ( [id] => 20214096 [patent_doc_number] => 12410741 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Exhaust gas purification system for purifying exhaust gases of gasoline engines [patent_app_type] => utility [patent_app_number] => 18/580581 [patent_app_country] => US [patent_app_date] => 2022-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 1301 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18580581 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/580581
Exhaust gas purification system for purifying exhaust gases of gasoline engines Jul 19, 2022 Issued
Array ( [id] => 19826735 [patent_doc_number] => 12247505 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-11 [patent_title] => Exhaust gas purification system for purifying exhaust gases of internal combustion engines [patent_app_type] => utility [patent_app_number] => 18/580496 [patent_app_country] => US [patent_app_date] => 2022-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 5934 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18580496 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/580496
Exhaust gas purification system for purifying exhaust gases of internal combustion engines Jul 10, 2022 Issued
Array ( [id] => 20108927 [patent_doc_number] => 12359636 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Internal-combustion engine control device and filter regeneration method [patent_app_type] => utility [patent_app_number] => 18/576810 [patent_app_country] => US [patent_app_date] => 2022-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 17 [patent_no_of_words] => 3373 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18576810 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/576810
Internal-combustion engine control device and filter regeneration method Jul 4, 2022 Issued
Array ( [id] => 19346519 [patent_doc_number] => 20240255482 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => Method for Operating a Nitrogen Oxide Sensor [patent_app_type] => utility [patent_app_number] => 18/290635 [patent_app_country] => US [patent_app_date] => 2022-07-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3787 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18290635 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/290635
Method for operating a nitrogen oxide sensor Jul 3, 2022 Issued
Array ( [id] => 20744536 [patent_doc_number] => 12644435 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-02 [patent_title] => Detection method for wind driven generator, and related apparatus [patent_app_type] => utility [patent_app_number] => 18/574184 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 4675 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 339 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18574184 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/574184
Detection method for wind driven generator, and related apparatus Jun 29, 2022 Issued
Array ( [id] => 18110275 [patent_doc_number] => 20230003155 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => Method to Control a Burner for an Exhaust System of an Internal Combustion Engine [patent_app_type] => utility [patent_app_number] => 17/809853 [patent_app_country] => US [patent_app_date] => 2022-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7809 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 421 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17809853 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/809853
Method to control a burner for an exhaust system of an internal combustion engine Jun 28, 2022 Issued
Array ( [id] => 18110274 [patent_doc_number] => 20230003154 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => Method to Control a Burner for an Exhaust System of an Internal Combustion Engine [patent_app_type] => utility [patent_app_number] => 17/809656 [patent_app_country] => US [patent_app_date] => 2022-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7812 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 274 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17809656 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/809656
Method to control a burner for an exhaust system of an internal combustion engine Jun 28, 2022 Issued
Array ( [id] => 18181897 [patent_doc_number] => 20230042626 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 17/808793 [patent_app_country] => US [patent_app_date] => 2022-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12416 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 286 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17808793 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/808793
CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE Jun 23, 2022 Abandoned
Array ( [id] => 18158115 [patent_doc_number] => 20230024706 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => METHOD OF CONTROLLING REPRODUCTION OF PF FOR VEHICLE [patent_app_type] => utility [patent_app_number] => 17/840466 [patent_app_country] => US [patent_app_date] => 2022-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5695 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17840466 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/840466
Method of controlling regeneration of PF for vehicle Jun 13, 2022 Issued
Array ( [id] => 18170254 [patent_doc_number] => 20230036865 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 17/829362 [patent_app_country] => US [patent_app_date] => 2022-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7398 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17829362 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/829362
Control device for internal combustion engine May 31, 2022 Issued
Array ( [id] => 20457314 [patent_doc_number] => 12520384 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Exhaust-gas heater [patent_app_type] => utility [patent_app_number] => 17/828704 [patent_app_country] => US [patent_app_date] => 2022-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17828704 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/828704
Exhaust-gas heater May 30, 2022 Issued
Array ( [id] => 18809350 [patent_doc_number] => 20230383685 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => TRANSMISSION CATALYST HEATING ASSIST SYSTEM [patent_app_type] => utility [patent_app_number] => 17/825436 [patent_app_country] => US [patent_app_date] => 2022-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2779 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17825436 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/825436
TRANSMISSION CATALYST HEATING ASSIST SYSTEM May 25, 2022 Abandoned
Array ( [id] => 20309814 [patent_doc_number] => 20250327443 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-23 [patent_title] => THERMOELASTIC CONTROLLER WITH A COMPACT DESIGN [patent_app_type] => utility [patent_app_number] => 18/868829 [patent_app_country] => US [patent_app_date] => 2022-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18868829 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/868829
THERMOELASTIC CONTROLLER WITH A COMPACT DESIGN May 24, 2022 Pending
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