Search

James A. Dudek

Examiner (ID: 301, Phone: (571)272-2290 , Office: P/2871 )

Most Active Art Unit
2871
Art Unit(s)
2515, 2871, 2502, 2873
Total Applications
2931
Issued Applications
2503
Pending Applications
111
Abandoned Applications
342

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19984597 [patent_doc_number] => 20250122819 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => EXHAUST DEVICE [patent_app_type] => utility [patent_app_number] => 18/910501 [patent_app_country] => US [patent_app_date] => 2024-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3539 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18910501 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/910501
EXHAUST DEVICE Oct 8, 2024 Pending
Array ( [id] => 20295617 [patent_doc_number] => 20250320860 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => Controlling Fracturing Pumps in a Hydraulic Fracturing System [patent_app_type] => utility [patent_app_number] => 18/899743 [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] => 5714 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18899743 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/899743
Controlling fracturing pumps in a hydraulic fracturing system Sep 26, 2024 Issued
Array ( [id] => 20016740 [patent_doc_number] => 20250154962 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => PUMP HOUSING WITH AN INTERIOR FOR ACCOMMODATING A PUMP ROTOR [patent_app_type] => utility [patent_app_number] => 18/893341 [patent_app_country] => US [patent_app_date] => 2024-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2210 [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] => 18893341 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/893341
PUMP HOUSING WITH AN INTERIOR FOR ACCOMMODATING A PUMP ROTOR Sep 22, 2024 Pending
Array ( [id] => 20025623 [patent_doc_number] => 20250163845 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => ROTARY AIRLOCK COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 18/792042 [patent_app_country] => US [patent_app_date] => 2024-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4876 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18792042 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/792042
ROTARY AIRLOCK COMBUSTION ENGINE Jul 31, 2024 Pending
Array ( [id] => 20379382 [patent_doc_number] => 20250361875 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-27 [patent_title] => FAN WASHABLE WITH WATER [patent_app_type] => utility [patent_app_number] => 18/758645 [patent_app_country] => US [patent_app_date] => 2024-06-28 [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] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18758645 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/758645
FAN WASHABLE WITH WATER Jun 27, 2024 Pending
Array ( [id] => 19601828 [patent_doc_number] => 20240392708 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => INTERCHANGEABLE ENGINE ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/649993 [patent_app_country] => US [patent_app_date] => 2024-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7071 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18649993 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/649993
Interchangeable engine assembly Apr 28, 2024 Issued
Array ( [id] => 19464915 [patent_doc_number] => 20240318584 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => METHOD FOR HEATING AN EXHAUST GAS SYSTEM [patent_app_type] => utility [patent_app_number] => 18/609118 [patent_app_country] => US [patent_app_date] => 2024-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4011 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18609118 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/609118
METHOD FOR HEATING AN EXHAUST GAS SYSTEM Mar 18, 2024 Abandoned
Array ( [id] => 19390166 [patent_doc_number] => 20240280036 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => ROCKER ARM WITH OUTWARDLY SPRUNG HYDRAULIC ACTUATOR PISTON [patent_app_type] => utility [patent_app_number] => 18/444711 [patent_app_country] => US [patent_app_date] => 2024-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5117 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18444711 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/444711
ROCKER ARM WITH OUTWARDLY SPRUNG HYDRAULIC ACTUATOR PISTON Feb 17, 2024 Pending
Array ( [id] => 18535377 [patent_doc_number] => 20230240459 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => DISMOUNTABLE PUMP SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/297473 [patent_app_country] => US [patent_app_date] => 2023-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17031 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18297473 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/297473
DISMOUNTABLE PUMP SYSTEM AND METHOD Apr 6, 2023 Abandoned
Array ( [id] => 20085935 [patent_doc_number] => 20250215871 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => LINEAR PERISTALTIC PUMP [patent_app_type] => utility [patent_app_number] => 18/852208 [patent_app_country] => US [patent_app_date] => 2023-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9089 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18852208 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/852208
LINEAR PERISTALTIC PUMP Mar 30, 2023 Pending
Array ( [id] => 20041782 [patent_doc_number] => 20250180004 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => LIQUID DISTRIBUTION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/842258 [patent_app_country] => US [patent_app_date] => 2023-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6181 [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] => 18842258 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/842258
LIQUID DISTRIBUTION SYSTEM Feb 26, 2023 Pending
Array ( [id] => 19863112 [patent_doc_number] => 20250101898 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => ULTRA-COMPACT POST-PROCESSING SYSTEM, SUPERCHARGER ASSEMBLY AND ENGINE [patent_app_type] => utility [patent_app_number] => 18/725781 [patent_app_country] => US [patent_app_date] => 2023-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5084 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18725781 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/725781
ULTRA-COMPACT POST-PROCESSING SYSTEM, SUPERCHARGER ASSEMBLY AND ENGINE Jan 9, 2023 Abandoned
Array ( [id] => 20173608 [patent_doc_number] => 12392344 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Electric compressor [patent_app_type] => utility [patent_app_number] => 18/723666 [patent_app_country] => US [patent_app_date] => 2022-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18723666 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/723666
Electric compressor Dec 15, 2022 Issued
Array ( [id] => 19724743 [patent_doc_number] => 20250027494 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => PUMP [patent_app_type] => utility [patent_app_number] => 18/714453 [patent_app_country] => US [patent_app_date] => 2022-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4798 [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] => 18714453 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/714453
PUMP Nov 15, 2022 Pending
Array ( [id] => 19619147 [patent_doc_number] => 20240404827 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => METHOD FOR IMPROVING DOPANT ACTIVATION RATE AND STRUCTURE CREATED BY MEANS OF SAID METHOD [patent_app_type] => utility [patent_app_number] => 18/698013 [patent_app_country] => US [patent_app_date] => 2022-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8543 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18698013 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/698013
METHOD FOR IMPROVING DOPANT ACTIVATION RATE AND STRUCTURE CREATED BY MEANS OF SAID METHOD Sep 25, 2022 Pending
Array ( [id] => 18208860 [patent_doc_number] => 20230055120 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => MULTI-PASS CATALYTIC CONVERTER [patent_app_type] => utility [patent_app_number] => 17/893189 [patent_app_country] => US [patent_app_date] => 2022-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5613 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17893189 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/893189
MULTI-PASS CATALYTIC CONVERTER Aug 22, 2022 Abandoned
Array ( [id] => 19449705 [patent_doc_number] => 20240309835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => ROLLER TAPPET ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/576971 [patent_app_country] => US [patent_app_date] => 2022-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6480 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18576971 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/576971
ROLLER TAPPET ASSEMBLY Jun 19, 2022 Pending
Array ( [id] => 17777617 [patent_doc_number] => 20220243966 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => REFRIGERANT COMPRESSOR WITH IMPELLER HAVING DUAL SPLITTER BLADE ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 17/575708 [patent_app_country] => US [patent_app_date] => 2022-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2586 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17575708 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/575708
REFRIGERANT COMPRESSOR WITH IMPELLER HAVING DUAL SPLITTER BLADE ARRANGEMENT Jan 13, 2022 Abandoned
Array ( [id] => 17142434 [patent_doc_number] => 20210310446 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => BOOSTED ENGINE [patent_app_type] => utility [patent_app_number] => 17/185525 [patent_app_country] => US [patent_app_date] => 2021-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6584 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17185525 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/185525
BOOSTED ENGINE Feb 24, 2021 Abandoned
Array ( [id] => 16720948 [patent_doc_number] => 20210088095 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-25 [patent_title] => DISK SPRING FOR AN EXHAUST GAS TURBOCHARGER [patent_app_type] => utility [patent_app_number] => 17/026143 [patent_app_country] => US [patent_app_date] => 2020-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4160 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17026143 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/026143
DISK SPRING FOR AN EXHAUST GAS TURBOCHARGER Sep 17, 2020 Abandoned
Menu