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] => 18809344 [patent_doc_number] => 20230383679 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => ELECTRICALLY HEATED ELEMENT THERMOELECTRIC EFFECT [patent_app_type] => utility [patent_app_number] => 17/824035 [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] => 2143 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17824035 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/824035
ELECTRICALLY HEATED ELEMENT THERMOELECTRIC EFFECT May 24, 2022 Abandoned
Array ( [id] => 19060683 [patent_doc_number] => 11939898 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-26 [patent_title] => Exhaust system of an internal combustion engine [patent_app_type] => utility [patent_app_number] => 17/748797 [patent_app_country] => US [patent_app_date] => 2022-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4618 [patent_no_of_claims] => 11 [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] =>[firstpage_image] =>[orig_patent_app_number] => 17748797 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/748797
Exhaust system of an internal combustion engine May 18, 2022 Issued
Array ( [id] => 17838436 [patent_doc_number] => 20220275741 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => SYSTEMS AND METHODS FOR IMPLEMENTING CORRECTIONS TO A REDUCTANT DELIVERY SYSTEM IN AN EXHAUST AFTERTREATMENT SYSTEM OF AN INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 17/745652 [patent_app_country] => US [patent_app_date] => 2022-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17453 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17745652 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/745652
Systems and methods for implementing corrections to a reductant delivery system in an exhaust aftertreatment system of an internal combustion engine May 15, 2022 Issued
Array ( [id] => 18718512 [patent_doc_number] => 11795848 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Systems and methods for controlling exhaust gas aftertreatment sensor systems [patent_app_type] => utility [patent_app_number] => 17/742889 [patent_app_country] => US [patent_app_date] => 2022-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 20282 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17742889 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/742889
Systems and methods for controlling exhaust gas aftertreatment sensor systems May 11, 2022 Issued
Array ( [id] => 17830885 [patent_doc_number] => 20220268189 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => SYSTEMS AND METHODS FOR CONTROLLING EXHAUST GAS AFTERTREATMENT SENSOR SYSTEMS [patent_app_type] => utility [patent_app_number] => 17/740891 [patent_app_country] => US [patent_app_date] => 2022-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20460 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17740891 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/740891
Systems and methods for controlling exhaust gas aftertreatment sensor systems May 9, 2022 Issued
Array ( [id] => 19737838 [patent_doc_number] => 12214654 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-04 [patent_title] => Exhaust assembly for a utility vehicle [patent_app_type] => utility [patent_app_number] => 17/735519 [patent_app_country] => US [patent_app_date] => 2022-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 39 [patent_figures_cnt] => 46 [patent_no_of_words] => 10549 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17735519 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/735519
Exhaust assembly for a utility vehicle May 2, 2022 Issued
Array ( [id] => 19249491 [patent_doc_number] => 20240200479 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => ELECTRICAL HEATERS HAVING SERPENTINE DESIGNS AND SELECTED DEAD ZONES FOR EXHAUST AFTERTREATMENT SYSTEMS AND ASSEMBLIES [patent_app_type] => utility [patent_app_number] => 18/287089 [patent_app_country] => US [patent_app_date] => 2022-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6989 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18287089 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/287089
Electrical heaters having serpentine designs and selected dead zones for exhaust aftertreatment systems and assemblies Apr 25, 2022 Issued
Array ( [id] => 17983290 [patent_doc_number] => 20220349326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => EXHAUST GAS HEATING ELEMENT [patent_app_type] => utility [patent_app_number] => 17/727898 [patent_app_country] => US [patent_app_date] => 2022-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2440 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17727898 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/727898
EXHAUST GAS HEATING ELEMENT Apr 24, 2022 Abandoned
Array ( [id] => 18917098 [patent_doc_number] => 11879371 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Heating conductor for an exhaust gas heating arrangement [patent_app_type] => utility [patent_app_number] => 17/722067 [patent_app_country] => US [patent_app_date] => 2022-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 5417 [patent_no_of_claims] => 8 [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] =>[firstpage_image] =>[orig_patent_app_number] => 17722067 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/722067
Heating conductor for an exhaust gas heating arrangement Apr 14, 2022 Issued
Array ( [id] => 18658435 [patent_doc_number] => 20230304430 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => SYSTEM AND METHODS FOR ESTIMATING EMISSIONS [patent_app_type] => utility [patent_app_number] => 17/656585 [patent_app_country] => US [patent_app_date] => 2022-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7021 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17656585 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/656585
System and methods for estimating emissions Mar 24, 2022 Issued
Array ( [id] => 19521622 [patent_doc_number] => 12123335 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-22 [patent_title] => Exhaust gas treatment apparatus, engine system, and exhaust gas treatment method [patent_app_type] => utility [patent_app_number] => 18/560246 [patent_app_country] => US [patent_app_date] => 2022-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 8461 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18560246 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/560246
Exhaust gas treatment apparatus, engine system, and exhaust gas treatment method Mar 23, 2022 Issued
Array ( [id] => 18628961 [patent_doc_number] => 20230287841 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => SYSTEMS AND METHODS FOR CONTROLLING REGENERATION OF AFTERTREATMENT SYSTEMS INCLUDING MULTIPLE LEGS [patent_app_type] => utility [patent_app_number] => 17/691893 [patent_app_country] => US [patent_app_date] => 2022-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14919 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17691893 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/691893
Systems and methods for controlling regeneration of aftertreatment systems including multiple legs Mar 9, 2022 Issued
Array ( [id] => 18748891 [patent_doc_number] => 11808193 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-07 [patent_title] => Preventative controls logic for coolant control valve (CCV) stuck open [patent_app_type] => utility [patent_app_number] => 17/692072 [patent_app_country] => US [patent_app_date] => 2022-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 116 [patent_no_of_words] => 5196 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17692072 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/692072
Preventative controls logic for coolant control valve (CCV) stuck open Mar 9, 2022 Issued
Array ( [id] => 18444944 [patent_doc_number] => 11680505 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-20 [patent_title] => Separately determining firing density and pumping density during firing density transitions for a lean-burn internal combustion engine [patent_app_type] => utility [patent_app_number] => 17/686247 [patent_app_country] => US [patent_app_date] => 2022-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 23 [patent_no_of_words] => 16403 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 17686247 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/686247
Separately determining firing density and pumping density during firing density transitions for a lean-burn internal combustion engine Mar 2, 2022 Issued
Array ( [id] => 18854503 [patent_doc_number] => 11852067 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Systems and methods of using diesel particulate filter heater as a load bank [patent_app_type] => utility [patent_app_number] => 17/682490 [patent_app_country] => US [patent_app_date] => 2022-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8097 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17682490 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/682490
Systems and methods of using diesel particulate filter heater as a load bank Feb 27, 2022 Issued
Array ( [id] => 18217015 [patent_doc_number] => 11591941 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Internal combustion engine exhaust modification system [patent_app_type] => utility [patent_app_number] => 17/589986 [patent_app_country] => US [patent_app_date] => 2022-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 3785 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 565 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17589986 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/589986
Internal combustion engine exhaust modification system Jan 31, 2022 Issued
Array ( [id] => 18685738 [patent_doc_number] => 11781463 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-10 [patent_title] => Work vehicle including DPF [patent_app_type] => utility [patent_app_number] => 17/589348 [patent_app_country] => US [patent_app_date] => 2022-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7683 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17589348 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/589348
Work vehicle including DPF Jan 30, 2022 Issued
Array ( [id] => 19940857 [patent_doc_number] => 12312981 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Systems and methods utilizing gas temperature as a power source [patent_app_type] => utility [patent_app_number] => 17/578550 [patent_app_country] => US [patent_app_date] => 2022-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 11491 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 340 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17578550 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/578550
Systems and methods utilizing gas temperature as a power source Jan 18, 2022 Issued
Array ( [id] => 17735420 [patent_doc_number] => 20220220879 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => EXHAUST GAS TREATMENT DEVICE, A MARINE VESSEL AND A GENSET [patent_app_type] => utility [patent_app_number] => 17/647413 [patent_app_country] => US [patent_app_date] => 2022-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7377 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17647413 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/647413
Exhaust gas treatment device, a marine vessel and a genset Jan 6, 2022 Issued
Array ( [id] => 18485657 [patent_doc_number] => 20230212995 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => METHODS AND SYSTEM FOR OVERCOMING A DEGRADED PARTICULATE FILTER PRESSURE SENSOR [patent_app_type] => utility [patent_app_number] => 17/646777 [patent_app_country] => US [patent_app_date] => 2022-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6442 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17646777 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/646777
Methods and system for overcoming a degraded particulate filter pressure sensor Jan 2, 2022 Issued
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