Search

David M. Brunsman

Examiner (ID: 16635, Phone: (571)272-1365 , Office: P/1732 )

Most Active Art Unit
1755
Art Unit(s)
1755, 1109, 1732, 1108, 2899, 1751, 1793
Total Applications
3300
Issued Applications
2599
Pending Applications
213
Abandoned Applications
489

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19932473 [patent_doc_number] => 12305672 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-05-20 [patent_title] => Hydraulic cylinder bottom end cap [patent_app_type] => utility [patent_app_number] => 18/661361 [patent_app_country] => US [patent_app_date] => 2024-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18661361 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/661361
Hydraulic cylinder bottom end cap May 9, 2024 Issued
Array ( [id] => 19390250 [patent_doc_number] => 20240280120 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => DESIGN METHOD FOR SELF-COMPENSATION STRUCTURE OF CAM-LOBE HYDRAULIC MOTOR PLATE DISTRIBUTION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/648383 [patent_app_country] => US [patent_app_date] => 2024-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4374 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 405 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18648383 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/648383
DESIGN METHOD FOR SELF-COMPENSATION STRUCTURE OF CAM-LOBE HYDRAULIC MOTOR PLATE DISTRIBUTION SYSTEM Apr 27, 2024 Issued
Array ( [id] => 19543816 [patent_doc_number] => 20240360852 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => COUPLING STRUCTURE OF BALL NUT AND DAMPER AND HYDRAULIC SUPPLY APPARATUS EMPLOYING THE SAME [patent_app_type] => utility [patent_app_number] => 18/647826 [patent_app_country] => US [patent_app_date] => 2024-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4399 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18647826 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/647826
Coupling structure of ball nut and damper and hydraulic supply apparatus employing the same Apr 25, 2024 Issued
Array ( [id] => 19631896 [patent_doc_number] => 20240410345 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => PISTON IN PISTON VARIABLE DISPLACEMENT HYDRAULIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/639219 [patent_app_country] => US [patent_app_date] => 2024-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12534 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18639219 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/639219
PISTON IN PISTON VARIABLE DISPLACEMENT HYDRAULIC DEVICE Apr 17, 2024 Abandoned
Array ( [id] => 20288091 [patent_doc_number] => 20250313334 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => Uplock Unlock Electro-Hydrostatic Actuator [patent_app_type] => utility [patent_app_number] => 18/626756 [patent_app_country] => US [patent_app_date] => 2024-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1130 [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] => 18626756 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/626756
Uplock Unlock Electro-Hydrostatic Actuator Apr 3, 2024 Pending
Array ( [id] => 20527866 [patent_doc_number] => 12546296 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-10 [patent_title] => Cylinder in particular for hydrogen tank cycling facility [patent_app_type] => utility [patent_app_number] => 18/625640 [patent_app_country] => US [patent_app_date] => 2024-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 18 [patent_no_of_words] => 987 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18625640 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/625640
Cylinder in particular for hydrogen tank cycling facility Apr 2, 2024 Issued
Array ( [id] => 20288986 [patent_doc_number] => 20250314229 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => Bicycle-Like Pressure-Differential Engine Apparatus [patent_app_type] => utility [patent_app_number] => 18/625421 [patent_app_country] => US [patent_app_date] => 2024-04-03 [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] => -20 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18625421 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/625421
Bicycle-Like Pressure-Differential Engine Apparatus Apr 2, 2024 Abandoned
Array ( [id] => 19354692 [patent_doc_number] => 12055124 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-08-06 [patent_title] => Four-quadrant radial piston hydraulic device and working method thereof [patent_app_type] => utility [patent_app_number] => 18/616194 [patent_app_country] => US [patent_app_date] => 2024-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 22 [patent_no_of_words] => 9206 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 712 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18616194 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/616194
Four-quadrant radial piston hydraulic device and working method thereof Mar 25, 2024 Issued
Array ( [id] => 19449763 [patent_doc_number] => 20240309893 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => Pneumatic Circuit [patent_app_type] => utility [patent_app_number] => 18/594362 [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] => 11980 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18594362 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/594362
Pneumatic Circuit Mar 3, 2024 Pending
Array ( [id] => 20194295 [patent_doc_number] => 20250271005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => PRESSURIZED SLEEVE FOR ROUTING OF LINEAR COMPONENTS [patent_app_type] => utility [patent_app_number] => 18/589826 [patent_app_country] => US [patent_app_date] => 2024-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4421 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18589826 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/589826
Pressurized sleeve for routing of linear components Feb 27, 2024 Issued
Array ( [id] => 20433510 [patent_doc_number] => 12503834 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-23 [patent_title] => Relief set-pressure adjustment system [patent_app_type] => utility [patent_app_number] => 18/420974 [patent_app_country] => US [patent_app_date] => 2024-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 2380 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 304 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18420974 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/420974
Relief set-pressure adjustment system Jan 23, 2024 Issued
Array ( [id] => 19317936 [patent_doc_number] => 20240239478 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => SERVOCONTROL FOR CONTROLLING THE POSITION OF A MOVING PART OF AN AIRCRAFT [patent_app_type] => utility [patent_app_number] => 18/415005 [patent_app_country] => US [patent_app_date] => 2024-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8714 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18415005 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/415005
SERVOCONTROL FOR CONTROLLING THE POSITION OF A MOVING PART OF AN AIRCRAFT Jan 16, 2024 Pending
Array ( [id] => 19158592 [patent_doc_number] => 20240151299 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => TORQUE CONVERTER WITH TURBINE DRIVEN CLUTCH CONNECTION [patent_app_type] => utility [patent_app_number] => 18/413119 [patent_app_country] => US [patent_app_date] => 2024-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2533 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18413119 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/413119
Torque converter with turbine driven clutch connection Jan 15, 2024 Issued
Array ( [id] => 19449760 [patent_doc_number] => 20240309890 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => Energy Storage and Reutilization for a Single-Rod Electro-Hydrostatic Actuator [patent_app_type] => utility [patent_app_number] => 18/412851 [patent_app_country] => US [patent_app_date] => 2024-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5862 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18412851 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/412851
Energy Storage and Reutilization for a Single-Rod Electro-Hydrostatic Actuator Jan 14, 2024 Pending
Array ( [id] => 19319110 [patent_doc_number] => 20240240653 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => Fan Drive Device with Proportional Valve [patent_app_type] => utility [patent_app_number] => 18/407105 [patent_app_country] => US [patent_app_date] => 2024-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5743 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18407105 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/407105
Fan drive device with proportional valve Jan 7, 2024 Issued
Array ( [id] => 20068317 [patent_doc_number] => 20250206539 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => METHOD OF ENHANCING EFFICIENCY OF GEOMECHANICAL ENERGY STORAGE SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/394361 [patent_app_country] => US [patent_app_date] => 2023-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1098 [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] => 18394361 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/394361
METHOD OF ENHANCING EFFICIENCY OF GEOMECHANICAL ENERGY STORAGE SYSTEMS Dec 21, 2023 Pending
Array ( [id] => 20060208 [patent_doc_number] => 20250198430 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => ULTRA-HIGH PRECISION PNEUMATIC FORCE SERVO SYSTEM AND INTELLIGENT CONTROL PARAMETER OPTIMIZATION METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 18/847258 [patent_app_country] => US [patent_app_date] => 2023-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4290 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 455 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18847258 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/847258
ULTRA-HIGH PRECISION PNEUMATIC FORCE SERVO SYSTEM AND INTELLIGENT CONTROL PARAMETER OPTIMIZATION METHOD THEREFOR Dec 20, 2023 Pending
Array ( [id] => 19262993 [patent_doc_number] => 20240206688 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => Handheld Foot Cleaning Device and Method of Use [patent_app_type] => utility [patent_app_number] => 18/542865 [patent_app_country] => US [patent_app_date] => 2023-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4215 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18542865 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/542865
Handheld Foot Cleaning Device and Method of Use Dec 17, 2023 Pending
Array ( [id] => 19298542 [patent_doc_number] => 20240227109 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => WORKPIECE GRINDING METHOD [patent_app_type] => utility [patent_app_number] => 18/543090 [patent_app_country] => US [patent_app_date] => 2023-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5091 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 18543090 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/543090
WORKPIECE GRINDING METHOD Dec 17, 2023 Pending
Array ( [id] => 19246078 [patent_doc_number] => 20240197062 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => Dental Hygiene Device [patent_app_type] => utility [patent_app_number] => 18/542513 [patent_app_country] => US [patent_app_date] => 2023-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4639 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18542513 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/542513
Dental Hygiene Device Dec 14, 2023 Pending
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