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] => 18988487 [patent_doc_number] => 20240060456 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => ENGINE SYSTEM AND GAS FUEL COMBUSTION METHOD [patent_app_type] => utility [patent_app_number] => 18/385132 [patent_app_country] => US [patent_app_date] => 2023-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11319 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18385132 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/385132
Engine system and gas fuel combustion method Oct 29, 2023 Issued
Array ( [id] => 20172577 [patent_doc_number] => 12391307 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Steering apparatus and method of controlling the same [patent_app_type] => utility [patent_app_number] => 18/380812 [patent_app_country] => US [patent_app_date] => 2023-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 6436 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18380812 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/380812
Steering apparatus and method of controlling the same Oct 16, 2023 Issued
Array ( [id] => 19983445 [patent_doc_number] => 20250121667 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => WORK VEHICLE WITH HORIZONTALLY OFFSET BATTERY HOUSINGS [patent_app_type] => utility [patent_app_number] => 18/379757 [patent_app_country] => US [patent_app_date] => 2023-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1195 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18379757 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/379757
WORK VEHICLE WITH HORIZONTALLY OFFSET BATTERY HOUSINGS Oct 12, 2023 Pending
Array ( [id] => 19097255 [patent_doc_number] => 20240116482 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => DECENTRALIZED CONTROL SYSTEM FOR A MOTOR VEHICLE BRAKING SYSTEM, MOTOR VEHICLE BRAKING SYSTEM AND MOTOR VEHICLE [patent_app_type] => utility [patent_app_number] => 18/484515 [patent_app_country] => US [patent_app_date] => 2023-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5252 [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] => 18484515 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/484515
DECENTRALIZED CONTROL SYSTEM FOR A MOTOR VEHICLE BRAKING SYSTEM, MOTOR VEHICLE BRAKING SYSTEM AND MOTOR VEHICLE Oct 10, 2023 Pending
Array ( [id] => 19112204 [patent_doc_number] => 20240123954 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => AUTOMATIC PARKING BRAKE ACTUATION AND FAILURE DETECTION [patent_app_type] => utility [patent_app_number] => 18/484042 [patent_app_country] => US [patent_app_date] => 2023-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7549 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18484042 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/484042
Automatic parking brake actuation and failure detection Oct 9, 2023 Issued
Array ( [id] => 19492133 [patent_doc_number] => 12110833 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-10-08 [patent_title] => Apparatus and method for diagnosing blow-by gas recirculation system [patent_app_type] => utility [patent_app_number] => 18/376972 [patent_app_country] => US [patent_app_date] => 2023-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5605 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18376972 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/376972
Apparatus and method for diagnosing blow-by gas recirculation system Oct 4, 2023 Issued
Array ( [id] => 18924299 [patent_doc_number] => 20240027303 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => CONTROLLED TESTING ENVIRONMENT FOR AUTONOMOUS VEHICLE IN SIMULATED EVENT [patent_app_type] => utility [patent_app_number] => 18/475589 [patent_app_country] => US [patent_app_date] => 2023-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9375 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18475589 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/475589
Controlled testing environment for autonomous vehicle in simulated event Sep 26, 2023 Issued
Array ( [id] => 19831863 [patent_doc_number] => 20250083649 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => AUTOMATIC VEHICLE BRAKING CONTROL SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/465571 [patent_app_country] => US [patent_app_date] => 2023-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6829 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18465571 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/465571
AUTOMATIC VEHICLE BRAKING CONTROL SYSTEMS Sep 11, 2023 Pending
Array ( [id] => 19082605 [patent_doc_number] => 20240109406 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => VEHICLE MOTOR [patent_app_type] => utility [patent_app_number] => 18/242491 [patent_app_country] => US [patent_app_date] => 2023-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2926 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18242491 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/242491
VEHICLE MOTOR Sep 4, 2023 Pending
Array ( [id] => 19441804 [patent_doc_number] => 12092049 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-09-17 [patent_title] => System and method to reduce fuel cut enrichment non-methane hydrocarbon emissions [patent_app_type] => utility [patent_app_number] => 18/459509 [patent_app_country] => US [patent_app_date] => 2023-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3861 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [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] => 18459509 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/459509
System and method to reduce fuel cut enrichment non-methane hydrocarbon emissions Aug 31, 2023 Issued
Array ( [id] => 19004350 [patent_doc_number] => 20240068421 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => Method of Diagnosing a Combustion Engine Assembly, Control Arrangement, Combustion Engine Assembly, and Vehicle [patent_app_type] => utility [patent_app_number] => 18/239347 [patent_app_country] => US [patent_app_date] => 2023-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10786 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18239347 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/239347
Method of diagnosing a combustion engine assembly, control arrangement, combustion engine assembly, and vehicle Aug 28, 2023 Issued
Array ( [id] => 19003200 [patent_doc_number] => 20240067271 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => ALL-TERRAIN VEHICLE [patent_app_type] => utility [patent_app_number] => 18/456104 [patent_app_country] => US [patent_app_date] => 2023-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3433 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18456104 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/456104
All-terrain vehicle Aug 24, 2023 Issued
Array ( [id] => 18817061 [patent_doc_number] => 20230391401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => ROTATIONAL ANGLE SENSOR ASSEMBLY AND STEERING SYSTEM FOR A VEHICLE [patent_app_type] => utility [patent_app_number] => 18/236187 [patent_app_country] => US [patent_app_date] => 2023-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3803 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18236187 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/236187
Rotational angle sensor assembly and steering system for a vehicle Aug 20, 2023 Issued
Array ( [id] => 19769424 [patent_doc_number] => 20250050850 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => DRIVER DIRECTIONAL CONTROL DURING BRAKE-TO-STEER MANUAL DRIVING USING MODEL PREDICTIVE CONTROL [patent_app_type] => utility [patent_app_number] => 18/366371 [patent_app_country] => US [patent_app_date] => 2023-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2999 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18366371 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/366371
Driver directional control during brake-to-steer manual driving using model predictive control Aug 6, 2023 Issued
Array ( [id] => 20240453 [patent_doc_number] => 12420759 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Vehicle control device [patent_app_type] => utility [patent_app_number] => 18/365341 [patent_app_country] => US [patent_app_date] => 2023-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2419 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18365341 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/365341
Vehicle control device Aug 3, 2023 Issued
Array ( [id] => 20356935 [patent_doc_number] => 12472916 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Vehicle control device [patent_app_type] => utility [patent_app_number] => 18/365338 [patent_app_country] => US [patent_app_date] => 2023-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 3466 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18365338 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/365338
Vehicle control device Aug 3, 2023 Issued
Array ( [id] => 19753680 [patent_doc_number] => 20250042245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => OFF-ROAD VEHICLE [patent_app_type] => utility [patent_app_number] => 18/230165 [patent_app_country] => US [patent_app_date] => 2023-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13233 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18230165 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/230165
OFF-ROAD VEHICLE Aug 3, 2023 Pending
Array ( [id] => 19753807 [patent_doc_number] => 20250042372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => BRAKE-TO-STEER LATERAL STABILITY MANAGEMENT BASED ON STABILITY INDICATOR CORRELATION [patent_app_type] => utility [patent_app_number] => 18/365064 [patent_app_country] => US [patent_app_date] => 2023-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8436 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18365064 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/365064
BRAKE-TO-STEER LATERAL STABILITY MANAGEMENT BASED ON STABILITY INDICATOR CORRELATION Aug 2, 2023 Pending
Array ( [id] => 19745069 [patent_doc_number] => 20250033634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => VEHICLE VARIANT INDEPENDENT LANE CENTERING CONTROL [patent_app_type] => utility [patent_app_number] => 18/361404 [patent_app_country] => US [patent_app_date] => 2023-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4261 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18361404 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/361404
Vehicle variant independent lane centering control Jul 27, 2023 Issued
Array ( [id] => 19708784 [patent_doc_number] => 20250018926 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => SYSTEM AND METHOD FOR TRAILER INSTABILITY ADVANCED WARNING BASED ON HITCH LOAD MEASUREMENT [patent_app_type] => utility [patent_app_number] => 18/352619 [patent_app_country] => US [patent_app_date] => 2023-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8161 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18352619 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/352619
System and method for trailer instability advanced warning based on hitch load measurement Jul 13, 2023 Issued
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