Search

William B. Perkey

Examiner (ID: 17043, Phone: (571)272-2126 , Office: P/2852 )

Most Active Art Unit
2101
Art Unit(s)
2608, 2862, 2852, 3504, 2899, 1506, 2101, 2851
Total Applications
4799
Issued Applications
4134
Pending Applications
49
Abandoned Applications
630

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20263601 [patent_doc_number] => 12434572 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Comprehensive control method and system for direct current (DC) power grid of pure battery of ship [patent_app_type] => utility [patent_app_number] => 19/093363 [patent_app_country] => US [patent_app_date] => 2025-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1067 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 362 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19093363 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/093363
Comprehensive control method and system for direct current (DC) power grid of pure battery of ship Mar 27, 2025 Issued
Array ( [id] => 20084328 [patent_doc_number] => 20250214264 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => ROBOTIC MANIPULATOR WITH CAMERA AND TACTILE SENSING [patent_app_type] => utility [patent_app_number] => 19/087930 [patent_app_country] => US [patent_app_date] => 2025-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5643 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 19087930 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/087930
ROBOTIC MANIPULATOR WITH CAMERA AND TACTILE SENSING Mar 23, 2025 Pending
Array ( [id] => 20151868 [patent_doc_number] => 20250251706 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => Prime mover and generator regulation based on output signal sensing [patent_app_type] => utility [patent_app_number] => 19/080203 [patent_app_country] => US [patent_app_date] => 2025-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 73039 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19080203 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/080203
Prime mover and generator regulation based on output signal sensing Mar 13, 2025 Pending
Array ( [id] => 20072934 [patent_doc_number] => 20250211156 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => SYSTEM AND METHOD UTILIZING A VARIABLE FREQUENCY DEVICE FOR SPEED REGULATION OF INDUCTION MOTOR [patent_app_type] => utility [patent_app_number] => 19/073678 [patent_app_country] => US [patent_app_date] => 2025-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1114 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 19073678 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/073678
SYSTEM AND METHOD UTILIZING A VARIABLE FREQUENCY DEVICE FOR SPEED REGULATION OF INDUCTION MOTOR Mar 6, 2025 Pending
Array ( [id] => 19837438 [patent_doc_number] => 20250089224 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => SYSTEMS AND METHODS FOR NON-OVERLAP ENFORCEMENT FOR INVERTER FOR ELECTRIC VEHICLE [patent_app_type] => utility [patent_app_number] => 18/960026 [patent_app_country] => US [patent_app_date] => 2024-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14237 [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] => 18960026 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/960026
SYSTEMS AND METHODS FOR NON-OVERLAP ENFORCEMENT FOR INVERTER FOR ELECTRIC VEHICLE Nov 25, 2024 Pending
Array ( [id] => 20682797 [patent_doc_number] => 20260121626 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-04-30 [patent_title] => SYSTEMS AND METHODS FOR DUTY CYCLE ADJUSTOR AND PULSE DEMODULATOR FOR INVERTER FOR ELECTRIC VEHICLE [patent_app_type] => utility [patent_app_number] => 18/925972 [patent_app_country] => US [patent_app_date] => 2024-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9329 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18925972 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/925972
SYSTEMS AND METHODS FOR DUTY CYCLE ADJUSTOR AND PULSE DEMODULATOR FOR INVERTER FOR ELECTRIC VEHICLE Oct 23, 2024 Pending
Array ( [id] => 19866985 [patent_doc_number] => 20250105771 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => POWER TOOL INCLUDING DYNAMICALLY CONFIGURABLE MOTOR PARAMETERS [patent_app_type] => utility [patent_app_number] => 18/899162 [patent_app_country] => US [patent_app_date] => 2024-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6664 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18899162 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/899162
POWER TOOL INCLUDING DYNAMICALLY CONFIGURABLE MOTOR PARAMETERS Sep 26, 2024 Pending
Array ( [id] => 20614724 [patent_doc_number] => 20260084810 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-26 [patent_title] => POWER DISTRIBUTION CIRCUITS FOR ELECTRICALLY POWERED AIRCRAFT [patent_app_type] => utility [patent_app_number] => 18/890095 [patent_app_country] => US [patent_app_date] => 2024-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1836 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18890095 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/890095
POWER DISTRIBUTION CIRCUITS FOR ELECTRICALLY POWERED AIRCRAFT Sep 18, 2024 Pending
Array ( [id] => 20153953 [patent_doc_number] => 20250253791 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => VARIABLE CSCR MOTOR SOFT STARTER [patent_app_type] => utility [patent_app_number] => 18/829882 [patent_app_country] => US [patent_app_date] => 2024-09-10 [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] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18829882 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/829882
VARIABLE CSCR MOTOR SOFT STARTER Sep 9, 2024 Pending
Array ( [id] => 19863792 [patent_doc_number] => 20250102578 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => METHOD AND CONTROL UNIT FOR DETECTING AN ONSET OF POLE SLIP IN AN ELECTRIC GENERATOR DRIVEN BY AN ENGINE [patent_app_type] => utility [patent_app_number] => 18/820516 [patent_app_country] => US [patent_app_date] => 2024-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5089 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18820516 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/820516
METHOD AND CONTROL UNIT FOR DETECTING AN ONSET OF POLE SLIP IN AN ELECTRIC GENERATOR DRIVEN BY AN ENGINE Aug 29, 2024 Pending
Array ( [id] => 19644260 [patent_doc_number] => 20240418780 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => Method for Measuring the Magnetic Saturation Profiles of a Synchronous Machine, and Device for the Open-Loop and Closed-Loop Control of an Induction Machine [patent_app_type] => utility [patent_app_number] => 18/814748 [patent_app_country] => US [patent_app_date] => 2024-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5028 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18814748 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/814748
Method for Measuring the Magnetic Saturation Profiles of a Synchronous Machine, and Device for the Open-Loop and Closed-Loop Control of an Induction Machine Aug 25, 2024 Pending
Array ( [id] => 20558799 [patent_doc_number] => 20260058586 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-26 [patent_title] => ROTOR POSITION ESTIMATION USING VARIABLE HIGH-FREQUENCY VOLTAGE INJECTION [patent_app_type] => utility [patent_app_number] => 18/815167 [patent_app_country] => US [patent_app_date] => 2024-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3482 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18815167 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/815167
ROTOR POSITION ESTIMATION USING VARIABLE HIGH-FREQUENCY VOLTAGE INJECTION Aug 25, 2024 Pending
Array ( [id] => 19771040 [patent_doc_number] => 20250052466 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => METHOD OF OPERATING A MOTOR COUPLED TO A MECHANICAL LOAD [patent_app_type] => utility [patent_app_number] => 18/795964 [patent_app_country] => US [patent_app_date] => 2024-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5744 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18795964 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/795964
METHOD OF OPERATING A MOTOR COUPLED TO A MECHANICAL LOAD Aug 5, 2024 Pending
Array ( [id] => 19817784 [patent_doc_number] => 20250075991 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => FAN BRAKE CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 18/795434 [patent_app_country] => US [patent_app_date] => 2024-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15632 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18795434 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/795434
FAN BRAKE CONTROL SYSTEM Aug 5, 2024 Pending
Array ( [id] => 20515127 [patent_doc_number] => 20260039230 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-05 [patent_title] => APPLIANCE COMPRESSOR DEMAGNETIZATION DETECTION [patent_app_type] => utility [patent_app_number] => 18/788965 [patent_app_country] => US [patent_app_date] => 2024-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4741 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18788965 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/788965
APPLIANCE COMPRESSOR DEMAGNETIZATION DETECTION Jul 29, 2024 Pending
Array ( [id] => 19590727 [patent_doc_number] => 20240388284 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => GATE DRIVER SYSTEM FOR DETECTING A SHORT CIRCUIT CONDITION [patent_app_type] => utility [patent_app_number] => 18/786717 [patent_app_country] => US [patent_app_date] => 2024-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15548 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18786717 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/786717
GATE DRIVER SYSTEM FOR DETECTING A SHORT CIRCUIT CONDITION Jul 28, 2024 Pending
Array ( [id] => 19727623 [patent_doc_number] => 20250030374 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => MOTORIZED CRUSHING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/776971 [patent_app_country] => US [patent_app_date] => 2024-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12325 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18776971 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/776971
MOTORIZED CRUSHING APPARATUS Jul 17, 2024 Pending
Array ( [id] => 19773973 [patent_doc_number] => 20250055399 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => APPARATUS FOR DRIVING A LINEAR AC MOTOR USING DC VOLTAGE [patent_app_type] => utility [patent_app_number] => 18/775004 [patent_app_country] => US [patent_app_date] => 2024-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7955 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18775004 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/775004
APPARATUS FOR DRIVING A LINEAR AC MOTOR USING DC VOLTAGE Jul 16, 2024 Pending
Array ( [id] => 19708431 [patent_doc_number] => 20250018573 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => PRIMARY ARM AND SECONDARY TOOL COMBINED SYSTEM [patent_app_type] => utility [patent_app_number] => 18/772800 [patent_app_country] => US [patent_app_date] => 2024-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5368 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18772800 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/772800
PRIMARY ARM AND SECONDARY TOOL COMBINED SYSTEM Jul 14, 2024 Pending
Array ( [id] => 19542530 [patent_doc_number] => 20240359566 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => ROTARY PERMANENT MAGNET ELECTRODYNAMIC SUSPENSION DEVICE AND PERMANENT MAGNET ELECTRODYNAMIC SUSPENSION METHOD USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/768201 [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] => 4404 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 487 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18768201 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/768201
Rotary permanent magnet electrodynamic suspension device and permanent magnet electrodynamic suspension method using the same Jul 9, 2024 Issued
Menu