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] => 17777325 [patent_doc_number] => 20220243674 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => MISFIRE DETECTION DEVICE FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 17/548659 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11565 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 279 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17548659 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/548659
Misfire detection device for internal combustion engine Dec 12, 2021 Issued
Array ( [id] => 18954651 [patent_doc_number] => 20240042978 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => A METHOD FOR CONTROLLING THE DECELERATION OF A VEHICLE AND A BRAKING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/266291 [patent_app_country] => US [patent_app_date] => 2021-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3116 [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] => 18266291 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/266291
A METHOD FOR CONTROLLING THE DECELERATION OF A VEHICLE AND A BRAKING SYSTEM Dec 9, 2021 Pending
Array ( [id] => 18146500 [patent_doc_number] => 20230020357 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => Control Device and Method for Discharging Condensed Water [patent_app_type] => utility [patent_app_number] => 17/546298 [patent_app_country] => US [patent_app_date] => 2021-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8345 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17546298 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/546298
Control device and method for discharging condensed water Dec 8, 2021 Issued
Array ( [id] => 20386250 [patent_doc_number] => 12485964 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Motor control device [patent_app_type] => utility [patent_app_number] => 18/713764 [patent_app_country] => US [patent_app_date] => 2021-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 2840 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [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] => 18713764 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/713764
MOTOR CONTROL DEVICE Dec 2, 2021 Issued
Array ( [id] => 18419755 [patent_doc_number] => 20230174215 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => MARINE PROPULSION AND GENERATOR SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 17/540873 [patent_app_country] => US [patent_app_date] => 2021-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10848 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17540873 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/540873
Marine propulsion and generator systems and methods Dec 1, 2021 Issued
Array ( [id] => 18971413 [patent_doc_number] => 20240051505 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => Method for Monitoring Traction for a Motor Vehicle [patent_app_type] => utility [patent_app_number] => 18/266163 [patent_app_country] => US [patent_app_date] => 2021-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2738 [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] => 18266163 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/266163
Method for Monitoring Traction for a Motor Vehicle Dec 1, 2021 Pending
Array ( [id] => 18505192 [patent_doc_number] => 11702998 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-18 [patent_title] => Methods and systems for reducing hydrocarbon breakthrough [patent_app_type] => utility [patent_app_number] => 17/456711 [patent_app_country] => US [patent_app_date] => 2021-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 17051 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17456711 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/456711
Methods and systems for reducing hydrocarbon breakthrough Nov 28, 2021 Issued
Array ( [id] => 17473420 [patent_doc_number] => 20220080924 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => Automobile Theft Prevention Device [patent_app_type] => utility [patent_app_number] => 17/535241 [patent_app_country] => US [patent_app_date] => 2021-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3748 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17535241 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/535241
Automobile Theft Prevention Device Nov 23, 2021 Abandoned
Array ( [id] => 17461025 [patent_doc_number] => 20220074330 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => Engine [patent_app_type] => utility [patent_app_number] => 17/529174 [patent_app_country] => US [patent_app_date] => 2021-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7594 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 17529174 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/529174
Engine Nov 16, 2021 Issued
Array ( [id] => 20193120 [patent_doc_number] => 20250269830 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => ABS ACTUATOR DEVICE UNIT FOR A CARGO CYCLE AND A CARGO CYCLE PROVIDED WITH SUCH DEVICE [patent_app_type] => utility [patent_app_number] => 18/251834 [patent_app_country] => US [patent_app_date] => 2021-11-04 [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] => -9 [patent_words_short_claim] => 328 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18251834 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/251834
ABS ACTUATOR DEVICE UNIT FOR A CARGO CYCLE AND A CARGO CYCLE PROVIDED WITH SUCH DEVICE Nov 3, 2021 Pending
Array ( [id] => 17414758 [patent_doc_number] => 20220049662 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-17 [patent_title] => CYLINDER DEACTIVATION MODES TO AVOID ENGINE RESONANCE [patent_app_type] => utility [patent_app_number] => 17/516570 [patent_app_country] => US [patent_app_date] => 2021-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4125 [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] => 17516570 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/516570
Cylinder deactivation modes to avoid engine resonance Oct 31, 2021 Issued
Array ( [id] => 17579613 [patent_doc_number] => 20220136468 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => ENGINE CONTROL DEVICE [patent_app_type] => utility [patent_app_number] => 17/452352 [patent_app_country] => US [patent_app_date] => 2021-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9245 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17452352 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/452352
ENGINE CONTROL DEVICE Oct 25, 2021 Abandoned
Array ( [id] => 17548890 [patent_doc_number] => 20220120231 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => DETERMINATION DEVICE AND DETERMINATION METHOD FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 17/497984 [patent_app_country] => US [patent_app_date] => 2021-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8725 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17497984 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/497984
Determination device and determination method for internal combustion engine Oct 10, 2021 Issued
Array ( [id] => 18065989 [patent_doc_number] => 20220397076 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-15 [patent_title] => CONTROL APPARATUS AND METHOD OF ENGINE FOR HYBRID VEHICLE [patent_app_type] => utility [patent_app_number] => 17/496084 [patent_app_country] => US [patent_app_date] => 2021-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3421 [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] => 17496084 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/496084
Control apparatus and method of engine for hybrid vehicle Oct 6, 2021 Issued
Array ( [id] => 17504372 [patent_doc_number] => 20220097474 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => CONFIGURING AN ACTIVE SUSPENSION [patent_app_type] => utility [patent_app_number] => 17/449443 [patent_app_country] => US [patent_app_date] => 2021-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3901 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17449443 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/449443
Configuring an active suspension Sep 28, 2021 Issued
Array ( [id] => 19458202 [patent_doc_number] => 12098685 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-24 [patent_title] => Method for the robust identification of knocking in an internal combustion engine, control device, and motor vehicle [patent_app_type] => utility [patent_app_number] => 18/024460 [patent_app_country] => US [patent_app_date] => 2021-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5140 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18024460 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/024460
Method for the robust identification of knocking in an internal combustion engine, control device, and motor vehicle Sep 28, 2021 Issued
Array ( [id] => 19497197 [patent_doc_number] => 20240336215 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => ILLUMINATION CONTROL DEVICE, BIOMETRIC INFORMATION ACQUIRING DEVICE, AND ILLUMINATION CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 18/292614 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10489 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 18292614 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/292614
Illumination control device, biometric information acquiring device, and illumination control method Sep 23, 2021 Issued
Array ( [id] => 18342218 [patent_doc_number] => 11639695 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-02 [patent_title] => Misfire detection device and method for internal combustion engine [patent_app_type] => utility [patent_app_number] => 17/482608 [patent_app_country] => US [patent_app_date] => 2021-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 11552 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17482608 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/482608
Misfire detection device and method for internal combustion engine Sep 22, 2021 Issued
Array ( [id] => 18808024 [patent_doc_number] => 20230382357 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => CONTROLLER AND CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 18/248154 [patent_app_country] => US [patent_app_date] => 2021-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8128 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18248154 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/248154
Controller and control method Sep 22, 2021 Issued
Array ( [id] => 20263705 [patent_doc_number] => 12434676 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Wheel slip-based motion control for heavy-duty vehicles [patent_app_type] => utility [patent_app_number] => 18/693962 [patent_app_country] => US [patent_app_date] => 2021-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3494 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18693962 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/693962
Wheel slip-based motion control for heavy-duty vehicles Sep 20, 2021 Issued
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