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] => 19705947 [patent_doc_number] => 12199998 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Anomaly detection device, anomaly detection method, and recording medium [patent_app_type] => utility [patent_app_number] => 17/671781 [patent_app_country] => US [patent_app_date] => 2022-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 25 [patent_no_of_words] => 11592 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17671781 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/671781
Anomaly detection device, anomaly detection method, and recording medium Feb 14, 2022 Issued
Array ( [id] => 19705947 [patent_doc_number] => 12199998 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Anomaly detection device, anomaly detection method, and recording medium [patent_app_type] => utility [patent_app_number] => 17/671781 [patent_app_country] => US [patent_app_date] => 2022-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 25 [patent_no_of_words] => 11592 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17671781 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/671781
Anomaly detection device, anomaly detection method, and recording medium Feb 14, 2022 Issued
Array ( [id] => 18636823 [patent_doc_number] => 11761412 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Start controller for engine [patent_app_type] => utility [patent_app_number] => 17/669610 [patent_app_country] => US [patent_app_date] => 2022-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 10325 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 439 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17669610 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/669610
Start controller for engine Feb 10, 2022 Issued
Array ( [id] => 17896204 [patent_doc_number] => 20220305866 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => VEHICLE [patent_app_type] => utility [patent_app_number] => 17/670042 [patent_app_country] => US [patent_app_date] => 2022-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6518 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17670042 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/670042
Vehicle Feb 10, 2022 Issued
Array ( [id] => 18590817 [patent_doc_number] => 11739703 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-29 [patent_title] => Vehicle control system [patent_app_type] => utility [patent_app_number] => 17/669594 [patent_app_country] => US [patent_app_date] => 2022-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5887 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17669594 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/669594
Vehicle control system Feb 10, 2022 Issued
Array ( [id] => 18688843 [patent_doc_number] => 11784593 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-10 [patent_title] => Power supply controller [patent_app_type] => utility [patent_app_number] => 17/650635 [patent_app_country] => US [patent_app_date] => 2022-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 7069 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17650635 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/650635
Power supply controller Feb 9, 2022 Issued
Array ( [id] => 19120718 [patent_doc_number] => 11964685 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-23 [patent_title] => System and method for control of carts at a station for an independent cart system [patent_app_type] => utility [patent_app_number] => 17/666104 [patent_app_country] => US [patent_app_date] => 2022-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 9240 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17666104 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/666104
System and method for control of carts at a station for an independent cart system Feb 6, 2022 Issued
Array ( [id] => 20015546 [patent_doc_number] => 20250153768 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => STEERING CONTROL DEVICE AND STEERING CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 18/832229 [patent_app_country] => US [patent_app_date] => 2022-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7260 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18832229 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/832229
STEERING CONTROL DEVICE AND STEERING CONTROL METHOD Feb 2, 2022 Pending
Array ( [id] => 19332086 [patent_doc_number] => 20240246516 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => VEHICLE CONTROL SYSTEM, VEHICLE CONTROL DEVICE, AND VEHICLE CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 18/562738 [patent_app_country] => US [patent_app_date] => 2022-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5156 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18562738 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/562738
VEHICLE CONTROL SYSTEM, VEHICLE CONTROL DEVICE, AND VEHICLE CONTROL METHOD Feb 1, 2022 Pending
Array ( [id] => 17806906 [patent_doc_number] => 20220258741 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => RUNNING SUPPORT SYSTEM FOR VEHICLE AND RUNNING SUPPORT METHOD FOR VEHICLE [patent_app_type] => utility [patent_app_number] => 17/588498 [patent_app_country] => US [patent_app_date] => 2022-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15247 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17588498 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/588498
Running support system for vehicle and running support method for vehicle Jan 30, 2022 Issued
Array ( [id] => 19585969 [patent_doc_number] => 20240383526 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => MOTOR CONTROL DEVICE [patent_app_type] => utility [patent_app_number] => 18/693843 [patent_app_country] => US [patent_app_date] => 2022-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13178 [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] => 18693843 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/693843
MOTOR CONTROL DEVICE Jan 27, 2022 Pending
Array ( [id] => 19702130 [patent_doc_number] => 12196146 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Fuel injection control device [patent_app_type] => utility [patent_app_number] => 18/281996 [patent_app_country] => US [patent_app_date] => 2022-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 10181 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18281996 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/281996
Fuel injection control device Jan 24, 2022 Issued
Array ( [id] => 19004352 [patent_doc_number] => 20240068423 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => Control Device for Internal Combustion Engine [patent_app_type] => utility [patent_app_number] => 18/280285 [patent_app_country] => US [patent_app_date] => 2022-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12429 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 18280285 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/280285
Control device for internal combustion engine Jan 24, 2022 Issued
Array ( [id] => 17749215 [patent_doc_number] => 20220227418 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => DYNAMICS-BASED ARTICULATION ANGLE ESTIMATOR FOR A VEHICLE COMBINATION [patent_app_type] => utility [patent_app_number] => 17/573711 [patent_app_country] => US [patent_app_date] => 2022-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5414 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17573711 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/573711
Dynamics-based articulation angle estimator for a vehicle combination Jan 11, 2022 Issued
Array ( [id] => 18980733 [patent_doc_number] => 11905894 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Carbon monoxide detecting system for internal combustion engine-based machines [patent_app_type] => utility [patent_app_number] => 17/572428 [patent_app_country] => US [patent_app_date] => 2022-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 9072 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17572428 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/572428
Carbon monoxide detecting system for internal combustion engine-based machines Jan 9, 2022 Issued
Array ( [id] => 18371454 [patent_doc_number] => 11651634 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-05-16 [patent_title] => System and method for diagnosing a variable oil pump [patent_app_type] => utility [patent_app_number] => 17/645649 [patent_app_country] => US [patent_app_date] => 2021-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 11545 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17645649 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/645649
System and method for diagnosing a variable oil pump Dec 21, 2021 Issued
Array ( [id] => 17687059 [patent_doc_number] => 20220194351 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => VEHICLE BRAKE SYSTEM [patent_app_type] => utility [patent_app_number] => 17/645365 [patent_app_country] => US [patent_app_date] => 2021-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13264 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17645365 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/645365
Vehicle brake system Dec 20, 2021 Issued
Array ( [id] => 18518589 [patent_doc_number] => 11708472 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-25 [patent_title] => Addition-curing silicone resin for producing heat-shielding film, method for forming heat-shielding film on inner surface of combustion chamber of engine by means of addition-curing silicone resin, heat-shielding film, and heat shielding method for reducing or preventing heat dissipation from combustion chamber of engine to outside by means of heat-shielding film [patent_app_type] => utility [patent_app_number] => 17/644751 [patent_app_country] => US [patent_app_date] => 2021-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 7701 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17644751 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/644751
Addition-curing silicone resin for producing heat-shielding film, method for forming heat-shielding film on inner surface of combustion chamber of engine by means of addition-curing silicone resin, heat-shielding film, and heat shielding method for reducing or preventing heat dissipation from combustion chamber of engine to outside by means of heat-shielding film Dec 15, 2021 Issued
Array ( [id] => 18939172 [patent_doc_number] => 20240034311 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => METHOD FOR CONTROLLING A MOTOR VEHICLE TO AVOID A TARGET WITH EULER-SPIRAL PATH REFINEMENT [patent_app_type] => utility [patent_app_number] => 18/258096 [patent_app_country] => US [patent_app_date] => 2021-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7500 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18258096 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/258096
Method for controlling a motor vehicle to avoid a target with Euler-spiral path refinement Dec 15, 2021 Issued
Array ( [id] => 19551295 [patent_doc_number] => 12134995 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-05 [patent_title] => Method for controlling combustion system, combustion system, and internal combustion engine [patent_app_type] => utility [patent_app_number] => 18/276926 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 6642 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 438 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18276926 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/276926
Method for controlling combustion system, combustion system, and internal combustion engine Dec 12, 2021 Issued
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