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] => 20294607 [patent_doc_number] => 20250319850 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => ELECTRIC BRAKE SYSTEM [patent_app_type] => utility [patent_app_number] => 18/889366 [patent_app_country] => US [patent_app_date] => 2024-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6886 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18889366 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/889366
ELECTRIC BRAKE SYSTEM Sep 17, 2024 Pending
Array ( [id] => 19876621 [patent_doc_number] => 20250108878 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => CONTROL SYSTEM, STRADDLE TYPE VEHICLE, CONTROL METHOD, AND STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/884658 [patent_app_country] => US [patent_app_date] => 2024-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10886 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18884658 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/884658
CONTROL SYSTEM, STRADDLE TYPE VEHICLE, CONTROL METHOD, AND STORAGE MEDIUM Sep 12, 2024 Pending
Array ( [id] => 20049346 [patent_doc_number] => 20250187568 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => VEHICLE CONTROL DEVICE [patent_app_type] => utility [patent_app_number] => 18/826437 [patent_app_country] => US [patent_app_date] => 2024-09-06 [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] => -2 [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] => 18826437 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/826437
VEHICLE CONTROL DEVICE Sep 5, 2024 Pending
Array ( [id] => 19708763 [patent_doc_number] => 20250018905 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => SERVO-ASSISTED BRAKING SYSTEM FOR A VEHICLE [patent_app_type] => utility [patent_app_number] => 18/768481 [patent_app_country] => US [patent_app_date] => 2024-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3698 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18768481 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/768481
SERVO-ASSISTED BRAKING SYSTEM FOR A VEHICLE Jul 9, 2024 Pending
Array ( [id] => 19683445 [patent_doc_number] => 20250001990 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => METHOD AND CONTROL ARRANGEMENT FOR CONTROLLING A BRAKE SYSTEM IN A VEHICLE [patent_app_type] => utility [patent_app_number] => 18/748486 [patent_app_country] => US [patent_app_date] => 2024-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8395 [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] => 18748486 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/748486
METHOD AND CONTROL ARRANGEMENT FOR CONTROLLING A BRAKE SYSTEM IN A VEHICLE Jun 19, 2024 Pending
Array ( [id] => 19418065 [patent_doc_number] => 20240294188 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => VEHICLE CONTROL DEVICE [patent_app_type] => utility [patent_app_number] => 18/661151 [patent_app_country] => US [patent_app_date] => 2024-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14444 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18661151 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/661151
VEHICLE CONTROL DEVICE May 9, 2024 Pending
Array ( [id] => 19840661 [patent_doc_number] => 12253039 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Controller for hydrogen engine [patent_app_type] => utility [patent_app_number] => 18/623671 [patent_app_country] => US [patent_app_date] => 2024-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3295 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18623671 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/623671
Controller for hydrogen engine Mar 31, 2024 Issued
Array ( [id] => 19319992 [patent_doc_number] => 20240241536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => PEDAL EMULATOR FOR A VEHICLE [patent_app_type] => utility [patent_app_number] => 18/618628 [patent_app_country] => US [patent_app_date] => 2024-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4545 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18618628 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/618628
PEDAL EMULATOR FOR A VEHICLE Mar 26, 2024 Pending
Array ( [id] => 19898334 [patent_doc_number] => 12276245 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Control device and control method for power unit [patent_app_type] => utility [patent_app_number] => 18/598708 [patent_app_country] => US [patent_app_date] => 2024-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5710 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18598708 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/598708
Control device and control method for power unit Mar 6, 2024 Issued
Array ( [id] => 19724689 [patent_doc_number] => 20250027440 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => SYSTEMS AND METHODS FOR COMBUSTING UNCONVENTIONAL FUEL CHEMISTRIES IN A DIESEL ENGINE ARCHITECTURE [patent_app_type] => utility [patent_app_number] => 18/594841 [patent_app_country] => US [patent_app_date] => 2024-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21569 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [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] => 18594841 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/594841
SYSTEMS AND METHODS FOR COMBUSTING UNCONVENTIONAL FUEL CHEMISTRIES IN A DIESEL ENGINE ARCHITECTURE Mar 3, 2024 Pending
Array ( [id] => 19746497 [patent_doc_number] => 20250035062 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => FUEL AGNOSTIC COMPRESSION IGNITION ENGINE [patent_app_type] => utility [patent_app_number] => 18/594837 [patent_app_country] => US [patent_app_date] => 2024-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15374 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [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] => 18594837 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/594837
FUEL AGNOSTIC COMPRESSION IGNITION ENGINE Mar 3, 2024 Pending
Array ( [id] => 19433338 [patent_doc_number] => 20240301836 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => ENGINE CONTROL APPARATUS [patent_app_type] => utility [patent_app_number] => 18/586933 [patent_app_country] => US [patent_app_date] => 2024-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4665 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18586933 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/586933
Engine control apparatus Feb 25, 2024 Issued
Array ( [id] => 19403162 [patent_doc_number] => 20240286673 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => STEER-BY-WIRE STEERING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/585894 [patent_app_country] => US [patent_app_date] => 2024-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3905 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18585894 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/585894
STEER-BY-WIRE STEERING APPARATUS Feb 22, 2024 Pending
Array ( [id] => 19476440 [patent_doc_number] => 20240324482 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => Control Method Of Work Vehicle, Work Vehicle Control Program, Work Vehicle Control System, And Work System [patent_app_type] => utility [patent_app_number] => 18/583888 [patent_app_country] => US [patent_app_date] => 2024-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19250 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18583888 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/583888
Control Method Of Work Vehicle, Work Vehicle Control Program, Work Vehicle Control System, And Work System Feb 21, 2024 Pending
Array ( [id] => 19808074 [patent_doc_number] => 12239433 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-04 [patent_title] => Learning system, walking training system, method, program, and trained model [patent_app_type] => utility [patent_app_number] => 18/583104 [patent_app_country] => US [patent_app_date] => 2024-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 22369 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18583104 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/583104
Learning system, walking training system, method, program, and trained model Feb 20, 2024 Issued
Array ( [id] => 20271628 [patent_doc_number] => 12441397 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Feedback control [patent_app_type] => utility [patent_app_number] => 18/441641 [patent_app_country] => US [patent_app_date] => 2024-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2062 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18441641 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/441641
Feedback control Feb 13, 2024 Issued
Array ( [id] => 20164653 [patent_doc_number] => 20250256699 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => SYSTEM AND METHOD OF STANDSTILL ENGAGEMENT OF STEERING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/441310 [patent_app_country] => US [patent_app_date] => 2024-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1826 [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] => 18441310 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/441310
SYSTEM AND METHOD OF STANDSTILL ENGAGEMENT OF STEERING SYSTEM Feb 13, 2024 Pending
Array ( [id] => 19234475 [patent_doc_number] => 20240191668 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => SPARK IGNITED SINGLE CYLINDER ENGINE DERATE FOR OVERHEAT [patent_app_type] => utility [patent_app_number] => 18/439164 [patent_app_country] => US [patent_app_date] => 2024-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6249 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18439164 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/439164
SPARK IGNITED SINGLE CYLINDER ENGINE DERATE FOR OVERHEAT Feb 11, 2024 Abandoned
Array ( [id] => 20165960 [patent_doc_number] => 20250258007 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => SYSTEM FOR VEHICLE RANGE ESTIMATION IN VIEW OF DRIVER SPECIFIC ENERGY USE [patent_app_type] => utility [patent_app_number] => 18/438839 [patent_app_country] => US [patent_app_date] => 2024-02-12 [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] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18438839 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/438839
SYSTEM FOR VEHICLE RANGE ESTIMATION IN VIEW OF DRIVER SPECIFIC ENERGY USE Feb 11, 2024 Pending
Array ( [id] => 19932364 [patent_doc_number] => 12305563 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Crankcase with inner and outer coolant jacket [patent_app_type] => utility [patent_app_number] => 18/437075 [patent_app_country] => US [patent_app_date] => 2024-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18437075 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/437075
Crankcase with inner and outer coolant jacket Feb 7, 2024 Issued
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