Search

David J Walczak

Examiner (ID: 8918, Phone: (571)272-4895 , Office: P/3754 )

Most Active Art Unit
3754
Art Unit(s)
3105, 2403, 2899, 3754, 3751, 2832
Total Applications
4681
Issued Applications
3650
Pending Applications
254
Abandoned Applications
819

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20121240 [patent_doc_number] => 20250236271 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => METHODS AND SYSTEMS FOR ELECTRIC PARK BRAKE ACTIVATION BASED ON A TIRE CHANGE [patent_app_type] => utility [patent_app_number] => 18/418679 [patent_app_country] => US [patent_app_date] => 2024-01-22 [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] => -17 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18418679 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/418679
METHODS AND SYSTEMS FOR ELECTRIC PARK BRAKE ACTIVATION BASED ON A TIRE CHANGE Jan 21, 2024 Pending
Array ( [id] => 19402939 [patent_doc_number] => 20240286450 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => Method for Controlling Suspension System, Control System, and Suspension Control System [patent_app_type] => utility [patent_app_number] => 18/418299 [patent_app_country] => US [patent_app_date] => 2024-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5471 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18418299 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/418299
Method for Controlling Suspension System, Control System, and Suspension Control System Jan 20, 2024 Pending
Array ( [id] => 19381708 [patent_doc_number] => 20240271578 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => CARBON MONOXIDE DETECTING SYSTEM FOR INTERNAL COMBUSTION ENGINE-BASED MACHINES [patent_app_type] => utility [patent_app_number] => 18/416766 [patent_app_country] => US [patent_app_date] => 2024-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9092 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18416766 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/416766
CARBON MONOXIDE DETECTING SYSTEM FOR INTERNAL COMBUSTION ENGINE-BASED MACHINES Jan 17, 2024 Pending
Array ( [id] => 19142987 [patent_doc_number] => 20240141842 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => DUAL FUEL ENGINE SYSTEM AND METHOD FOR CONTROLLING DUAL FUEL ENGINE SYSTEM [patent_app_type] => utility [patent_app_number] => 18/402342 [patent_app_country] => US [patent_app_date] => 2024-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13922 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18402342 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/402342
Dual fuel engine system and method for controlling dual fuel engine system Jan 1, 2024 Issued
Array ( [id] => 19141685 [patent_doc_number] => 20240140503 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => FULL REDUNDANCY SPEED MEASUREMENT METHOD AND SYSTEM FOR RAIL [patent_app_type] => utility [patent_app_number] => 18/400795 [patent_app_country] => US [patent_app_date] => 2023-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5864 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 448 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18400795 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/400795
FULL REDUNDANCY SPEED MEASUREMENT METHOD AND SYSTEM FOR RAIL Dec 28, 2023 Pending
Array ( [id] => 19317797 [patent_doc_number] => 20240239338 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => COMPUTER-IMPLEMENTED METHOD FOR EXPANSION OF SWARM DATA, DATA PROCESSING DEVICE, COMPUTER-READABLE STORAGE MEDIUM, DRIVER ASSIST SYSTEM AND MOTOR VEHICLE [patent_app_type] => utility [patent_app_number] => 18/401055 [patent_app_country] => US [patent_app_date] => 2023-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4324 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18401055 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/401055
COMPUTER-IMPLEMENTED METHOD FOR EXPANSION OF SWARM DATA, DATA PROCESSING DEVICE, COMPUTER-READABLE STORAGE MEDIUM, DRIVER ASSIST SYSTEM AND MOTOR VEHICLE Dec 28, 2023 Pending
Array ( [id] => 20084696 [patent_doc_number] => 20250214632 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => MULTI-CARRIAGE VEHICLE BOARDING RECOMMENDATIONS [patent_app_type] => utility [patent_app_number] => 18/397270 [patent_app_country] => US [patent_app_date] => 2023-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3492 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18397270 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/397270
MULTI-CARRIAGE VEHICLE BOARDING RECOMMENDATIONS Dec 26, 2023 Pending
Array ( [id] => 19247790 [patent_doc_number] => 20240198775 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => ELECTRIC DRIVE AXLE FOR A VEHICLE [patent_app_type] => utility [patent_app_number] => 18/539866 [patent_app_country] => US [patent_app_date] => 2023-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1843 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18539866 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/539866
ELECTRIC DRIVE AXLE FOR A VEHICLE Dec 13, 2023 Pending
Array ( [id] => 19098551 [patent_doc_number] => 20240117779 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => CLOSED-LOOP CONTROL DEVICE FOR CLOSED-LOOP CONTROL OF A POWER ASSEMBLY INCLUDING AN INTERNAL COMBUSTION ENGINE AND A GENERATOR HAVING AN OPERATIVE DRIVE CONNECTION TO THE INTERNAL COMBUSTION ENGINE, CLOSED-LOOP CONTROL ARRANGEMENT HAVING SUCH A CLOSED-LOOP CONTROL DEVICE, POWER ASSEMBLY AND METHOD FOR CLOSED-LOOP CONTROL OF A POWER ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/536367 [patent_app_country] => US [patent_app_date] => 2023-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9563 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18536367 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/536367
Closed-loop control device for closed-loop control of a power assembly including an internal combustion engine and a generator having an operative drive connection to the internal combustion engine, closed-loop control arrangement having such a closed-loop control device, power assembly and method for closed-loop control of a power assembly Dec 11, 2023 Issued
Array ( [id] => 19884655 [patent_doc_number] => 12270353 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Closed-loop control device for closed-loop control of a power assembly including an internal combustion engine and a generator having an operative drive connection to the internal combustion engine, closed-loop control arrangement having such a closed-loop control device, power assembly and method for closed-loop control of a power assembly [patent_app_type] => utility [patent_app_number] => 18/536374 [patent_app_country] => US [patent_app_date] => 2023-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 10371 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18536374 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/536374
Closed-loop control device for closed-loop control of a power assembly including an internal combustion engine and a generator having an operative drive connection to the internal combustion engine, closed-loop control arrangement having such a closed-loop control device, power assembly and method for closed-loop control of a power assembly Dec 11, 2023 Issued
Array ( [id] => 20049437 [patent_doc_number] => 20250187659 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => VEHICLE OPERATION WITH STEERING WHEEL HANDS-ON/OFF DETECTION [patent_app_type] => utility [patent_app_number] => 18/534952 [patent_app_country] => US [patent_app_date] => 2023-12-11 [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] => -18 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18534952 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/534952
VEHICLE OPERATION WITH STEERING WHEEL HANDS-ON/OFF DETECTION Dec 10, 2023 Pending
Array ( [id] => 19521671 [patent_doc_number] => 12123384 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-10-22 [patent_title] => User device vehicle charger strategy [patent_app_type] => utility [patent_app_number] => 18/533594 [patent_app_country] => US [patent_app_date] => 2023-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 6 [patent_no_of_words] => 8661 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18533594 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/533594
User device vehicle charger strategy Dec 7, 2023 Issued
Array ( [id] => 19248192 [patent_doc_number] => 20240199177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => TRAILERING SUPPORT DEVICE AND METHOD, AND MARINE VESSEL INCLUDING TRAILERING SUPPORT DEVICE [patent_app_type] => utility [patent_app_number] => 18/528845 [patent_app_country] => US [patent_app_date] => 2023-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8843 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18528845 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/528845
TRAILERING SUPPORT DEVICE AND METHOD, AND MARINE VESSEL INCLUDING TRAILERING SUPPORT DEVICE Dec 4, 2023 Issued
Array ( [id] => 20040367 [patent_doc_number] => 20250178589 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => SYSTEM AND METHOD FOR ENGINE STARTING ADAPTATION [patent_app_type] => utility [patent_app_number] => 18/530051 [patent_app_country] => US [patent_app_date] => 2023-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2419 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18530051 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/530051
SYSTEM AND METHOD FOR ENGINE STARTING ADAPTATION Dec 4, 2023 Pending
Array ( [id] => 19779066 [patent_doc_number] => 12228090 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-18 [patent_title] => System and method to reduce fuel cut enrichment NOx emissions [patent_app_type] => utility [patent_app_number] => 18/526002 [patent_app_country] => US [patent_app_date] => 2023-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3673 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18526002 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/526002
System and method to reduce fuel cut enrichment NOx emissions Nov 30, 2023 Issued
Array ( [id] => 20213238 [patent_doc_number] => 12409875 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Providing a virtual railroad crossing warning [patent_app_type] => utility [patent_app_number] => 18/512972 [patent_app_country] => US [patent_app_date] => 2023-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8334 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18512972 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/512972
Providing a virtual railroad crossing warning Nov 16, 2023 Issued
Array ( [id] => 19160617 [patent_doc_number] => 20240153324 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => Data transfer system and method for automotive diagnostics and service [patent_app_type] => utility [patent_app_number] => 18/512639 [patent_app_country] => US [patent_app_date] => 2023-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5723 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18512639 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/512639
Data transfer system and method for automotive diagnostics and service Nov 16, 2023 Issued
Array ( [id] => 19203514 [patent_doc_number] => 20240175413 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => FLEXIBLE FLUID CONNECTION FOR EVAPORATIVE EMISSIONS SYSTEM [patent_app_type] => utility [patent_app_number] => 18/509755 [patent_app_country] => US [patent_app_date] => 2023-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3591 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18509755 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/509755
FLEXIBLE FLUID CONNECTION FOR EVAPORATIVE EMISSIONS SYSTEM Nov 14, 2023 Pending
Array ( [id] => 20388956 [patent_doc_number] => 12488689 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Information processing apparatus and vehicle [patent_app_type] => utility [patent_app_number] => 18/504161 [patent_app_country] => US [patent_app_date] => 2023-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2333 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18504161 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/504161
INFORMATION PROCESSING APPARATUS Nov 7, 2023 Issued
Array ( [id] => 19339671 [patent_doc_number] => 12049852 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-07-30 [patent_title] => Heterogeneous fuel injector driver topologies [patent_app_type] => utility [patent_app_number] => 18/501164 [patent_app_country] => US [patent_app_date] => 2023-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9304 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18501164 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/501164
Heterogeneous fuel injector driver topologies Nov 2, 2023 Issued
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