Search

William B. Perkey

Examiner (ID: 254, Phone: (571)272-2126 , Office: P/2852 )

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

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19273831 [patent_doc_number] => 12023939 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Multilayer white printing with white-balance [patent_app_type] => utility [patent_app_number] => 18/352958 [patent_app_country] => US [patent_app_date] => 2023-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5431 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18352958 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/352958
Multilayer white printing with white-balance Jul 13, 2023 Issued
Array ( [id] => 19019577 [patent_doc_number] => 20240075748 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => INK SUPPLY SYSTEM OF INK-JET HEAD PROVIDED WITH EMERGENCY DRAIN FUNCTION AND INK-JET PRINTER HAVING SAME [patent_app_type] => utility [patent_app_number] => 18/351567 [patent_app_country] => US [patent_app_date] => 2023-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9602 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18351567 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/351567
Ink supply system of ink-jet head provided with emergency drain function and ink-jet printer having same Jul 12, 2023 Issued
Array ( [id] => 19458496 [patent_doc_number] => 12098980 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-24 [patent_title] => Systems and methods of alarm triggered equipment verification using drone deployment of sensors [patent_app_type] => utility [patent_app_number] => 18/221697 [patent_app_country] => US [patent_app_date] => 2023-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9529 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18221697 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/221697
Systems and methods of alarm triggered equipment verification using drone deployment of sensors Jul 12, 2023 Issued
Array ( [id] => 18896465 [patent_doc_number] => 20240011950 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => CHROMATOGRAPHY QUALITY CONTROL DEVICE AND CHROMATOGRAPHY QUALITY CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 18/220653 [patent_app_country] => US [patent_app_date] => 2023-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4481 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18220653 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/220653
CHROMATOGRAPHY QUALITY CONTROL DEVICE AND CHROMATOGRAPHY QUALITY CONTROL METHOD Jul 10, 2023 Pending
Array ( [id] => 18738724 [patent_doc_number] => 20230347642 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => PRINTING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/348637 [patent_app_country] => US [patent_app_date] => 2023-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16082 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 18348637 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/348637
Printing apparatus Jul 6, 2023 Issued
Array ( [id] => 19004284 [patent_doc_number] => 20240068355 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => SYSTEMS AND METHODS FOR WELLBORE DRILLING UTILIZING A THERMOCHEMICAL SULFATE REDUCTION (TSR) PROXY [patent_app_type] => utility [patent_app_number] => 18/344384 [patent_app_country] => US [patent_app_date] => 2023-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10066 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18344384 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/344384
SYSTEMS AND METHODS FOR WELLBORE DRILLING UTILIZING A THERMOCHEMICAL SULFATE REDUCTION (TSR) PROXY Jun 28, 2023 Pending
Array ( [id] => 18861051 [patent_doc_number] => 20230415486 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => PRINTER, CONTROL METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM STORING COMPUTER-READABLE INSTRUCTIONS [patent_app_type] => utility [patent_app_number] => 18/214784 [patent_app_country] => US [patent_app_date] => 2023-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18309 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 18214784 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/214784
Printer, control method, and non-transitory computer-readable medium storing computer-readable instructions Jun 26, 2023 Issued
Array ( [id] => 19909762 [patent_doc_number] => 12285953 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-29 [patent_title] => Inkjet printer gas pressure controller provided with negative pressure test line, inkjet printer including gas pressure controller, and method of testing negative pressure in inkjet printer [patent_app_type] => utility [patent_app_number] => 18/338792 [patent_app_country] => US [patent_app_date] => 2023-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 3570 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18338792 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/338792
Inkjet printer gas pressure controller provided with negative pressure test line, inkjet printer including gas pressure controller, and method of testing negative pressure in inkjet printer Jun 20, 2023 Issued
Array ( [id] => 18846159 [patent_doc_number] => 20230408563 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => APPARATUS AND METHOD FOR DIAGNOSING PHASE CURRENT SENSOR FAILURE OF 3-PHASE INVERTER [patent_app_type] => utility [patent_app_number] => 18/207258 [patent_app_country] => US [patent_app_date] => 2023-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5081 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18207258 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/207258
APPARATUS AND METHOD FOR DIAGNOSING PHASE CURRENT SENSOR FAILURE OF 3-PHASE INVERTER Jun 7, 2023 Pending
Array ( [id] => 19468831 [patent_doc_number] => 20240322501 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => ELECTRICAL MONITORING DEVICE, IN PARTICULAR FOR A HIGH-VOLTAGE APPLICATION IN A MOTOR VEHICLE [patent_app_type] => utility [patent_app_number] => 18/206612 [patent_app_country] => US [patent_app_date] => 2023-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3402 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18206612 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/206612
ELECTRICAL MONITORING DEVICE, IN PARTICULAR FOR A HIGH-VOLTAGE APPLICATION IN A MOTOR VEHICLE Jun 6, 2023 Issued
Array ( [id] => 18818743 [patent_doc_number] => 20230393083 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => METHOD AND SYSTEM FOR INDEXING ELECTRON DIFFRACTION PATTERNS [patent_app_type] => utility [patent_app_number] => 18/205878 [patent_app_country] => US [patent_app_date] => 2023-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9664 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18205878 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/205878
METHOD AND SYSTEM FOR INDEXING ELECTRON DIFFRACTION PATTERNS Jun 4, 2023 Pending
Array ( [id] => 19922329 [patent_doc_number] => 12296595 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Liquid ejecting apparatus and liquid filling method [patent_app_type] => utility [patent_app_number] => 18/328131 [patent_app_country] => US [patent_app_date] => 2023-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 11996 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18328131 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/328131
Liquid ejecting apparatus and liquid filling method Jun 1, 2023 Issued
Array ( [id] => 19268083 [patent_doc_number] => 20240211787 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => ELECTRONIC DEVICE AND METHOD FOR PERFORMING MONTE CARLO ANALYSIS BASED ON QUANTUM CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/327855 [patent_app_country] => US [patent_app_date] => 2023-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3277 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18327855 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/327855
ELECTRONIC DEVICE AND METHOD FOR PERFORMING MONTE CARLO ANALYSIS BASED ON QUANTUM CIRCUIT May 31, 2023 Pending
Array ( [id] => 18878316 [patent_doc_number] => 20240001685 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => LIQUID CONSUMPTION DEVICE [patent_app_type] => utility [patent_app_number] => 18/327121 [patent_app_country] => US [patent_app_date] => 2023-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7795 [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] => 18327121 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/327121
Liquid consumption device May 31, 2023 Issued
Array ( [id] => 18809939 [patent_doc_number] => 20230384274 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => METHODS, MEDIUMS, AND SYSTEMS FOR TARGETED ISOTOPE CLUSTERING [patent_app_type] => utility [patent_app_number] => 18/326263 [patent_app_country] => US [patent_app_date] => 2023-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10435 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18326263 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/326263
METHODS, MEDIUMS, AND SYSTEMS FOR TARGETED ISOTOPE CLUSTERING May 30, 2023 Pending
Array ( [id] => 19150647 [patent_doc_number] => 11975539 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-07 [patent_title] => Systems and methods for controlling operation of micro-valves for use in jetting assemblies [patent_app_type] => utility [patent_app_number] => 18/202509 [patent_app_country] => US [patent_app_date] => 2023-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 33 [patent_no_of_words] => 22735 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18202509 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/202509
Systems and methods for controlling operation of micro-valves for use in jetting assemblies May 25, 2023 Issued
Array ( [id] => 18653639 [patent_doc_number] => 20230299480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => APPARATUS AND METHOD FOR MEASURING STRENGTH OF SIGNAL [patent_app_type] => utility [patent_app_number] => 18/202163 [patent_app_country] => US [patent_app_date] => 2023-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14192 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18202163 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/202163
APPARATUS AND METHOD FOR MEASURING STRENGTH OF SIGNAL May 24, 2023 Pending
Array ( [id] => 20157564 [patent_doc_number] => 12384166 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Liquid ejecting apparatus and liquid discharging method [patent_app_type] => utility [patent_app_number] => 18/322666 [patent_app_country] => US [patent_app_date] => 2023-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 17 [patent_no_of_words] => 16787 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18322666 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/322666
Liquid ejecting apparatus and liquid discharging method May 23, 2023 Issued
Array ( [id] => 18816762 [patent_doc_number] => 20230391102 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => Image Forming Apparatus [patent_app_type] => utility [patent_app_number] => 18/321362 [patent_app_country] => US [patent_app_date] => 2023-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9048 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18321362 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/321362
Image forming apparatus May 21, 2023 Issued
Array ( [id] => 20157558 [patent_doc_number] => 12384160 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Liquid ejection head and liquid ejection apparatus [patent_app_type] => utility [patent_app_number] => 18/319252 [patent_app_country] => US [patent_app_date] => 2023-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 24 [patent_no_of_words] => 13628 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [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] => 18319252 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/319252
Liquid ejection head and liquid ejection apparatus May 16, 2023 Issued
Menu