Search

Steven O. Douglas

Examiner (ID: 135, Phone: (571)272-4885 , Office: P/3771 )

Most Active Art Unit
3751
Art Unit(s)
3751, 3771, 3649, 3612, 3785, 3105, 2899, 2403
Total Applications
3864
Issued Applications
3147
Pending Applications
267
Abandoned Applications
500

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19940972 [patent_doc_number] => 12313096 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Forklift hydraulic motor based industrial driver apparatus [patent_app_type] => utility [patent_app_number] => 17/558456 [patent_app_country] => US [patent_app_date] => 2021-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 476 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17558456 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/558456
Forklift hydraulic motor based industrial driver apparatus Dec 20, 2021 Issued
Array ( [id] => 17688745 [patent_doc_number] => 20220196037 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => AUTONOMOUS ACTUATOR AND REFILLING THEREOF [patent_app_type] => utility [patent_app_number] => 17/557252 [patent_app_country] => US [patent_app_date] => 2021-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1958 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17557252 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/557252
AUTONOMOUS ACTUATOR AND REFILLING THEREOF Dec 20, 2021 Abandoned
Array ( [id] => 19940970 [patent_doc_number] => 12313094 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Piston unit of a working cylinder [patent_app_type] => utility [patent_app_number] => 18/256070 [patent_app_country] => US [patent_app_date] => 2021-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 329 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18256070 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/256070
Piston unit of a working cylinder Dec 6, 2021 Issued
Array ( [id] => 18685916 [patent_doc_number] => 11781642 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-10 [patent_title] => Power unit and vehicle including power unit [patent_app_type] => utility [patent_app_number] => 17/457625 [patent_app_country] => US [patent_app_date] => 2021-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 10631 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17457625 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/457625
Power unit and vehicle including power unit Dec 2, 2021 Issued
Array ( [id] => 18955952 [patent_doc_number] => 20240044279 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => POWER SUPPLY COMPRISING A HYDRAULIC MACHINE EXHIBITING IMPROVED INTEGRATION [patent_app_type] => utility [patent_app_number] => 18/266708 [patent_app_country] => US [patent_app_date] => 2021-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3769 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18266708 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/266708
POWER SUPPLY COMPRISING A HYDRAULIC MACHINE EXHIBITING IMPROVED INTEGRATION Dec 1, 2021 Pending
Array ( [id] => 19044234 [patent_doc_number] => 11933326 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-19 [patent_title] => Drop-in signal accumulator piston kit and method for replacing an original equipment signal accumulator piston [patent_app_type] => utility [patent_app_number] => 17/527946 [patent_app_country] => US [patent_app_date] => 2021-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 2760 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [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] => 17527946 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/527946
Drop-in signal accumulator piston kit and method for replacing an original equipment signal accumulator piston Nov 15, 2021 Issued
Array ( [id] => 18764717 [patent_doc_number] => 11815108 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-14 [patent_title] => Electro-hydraulic actuator [patent_app_type] => utility [patent_app_number] => 17/995990 [patent_app_country] => US [patent_app_date] => 2021-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 19 [patent_no_of_words] => 10369 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [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] => 17995990 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/995990
Electro-hydraulic actuator Nov 11, 2021 Issued
Array ( [id] => 19940904 [patent_doc_number] => 12313028 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Hydrostatic pressure to kinetic energy conversion system [patent_app_type] => utility [patent_app_number] => 18/251305 [patent_app_country] => US [patent_app_date] => 2021-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18251305 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/251305
Hydrostatic pressure to kinetic energy conversion system Nov 4, 2021 Issued
Array ( [id] => 18077015 [patent_doc_number] => 20220402627 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => THERMAL HYDRAULIC ACTIVE WARMING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/519321 [patent_app_country] => US [patent_app_date] => 2021-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3678 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17519321 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/519321
Thermal hydraulic active warming system Nov 3, 2021 Issued
Array ( [id] => 17976210 [patent_doc_number] => 11493062 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-11-08 [patent_title] => Submersible actuator [patent_app_type] => utility [patent_app_number] => 17/497148 [patent_app_country] => US [patent_app_date] => 2021-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 3549 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17497148 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/497148
Submersible actuator Oct 7, 2021 Issued
Array ( [id] => 19242526 [patent_doc_number] => 12012950 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-18 [patent_title] => Diaphragm assembly [patent_app_type] => utility [patent_app_number] => 17/496094 [patent_app_country] => US [patent_app_date] => 2021-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 7615 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17496094 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/496094
Diaphragm assembly Oct 6, 2021 Issued
Array ( [id] => 18708622 [patent_doc_number] => 20230331208 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => BRAKE FLUID PRESSURE CONTROL APPARATUS [patent_app_type] => utility [patent_app_number] => 18/043682 [patent_app_country] => US [patent_app_date] => 2021-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8534 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18043682 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/043682
BRAKE FLUID PRESSURE CONTROL APPARATUS Sep 28, 2021 Abandoned
Array ( [id] => 17548923 [patent_doc_number] => 20220120264 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => COMPRESSOR AND HYDROGEN STATION [patent_app_type] => utility [patent_app_number] => 17/487231 [patent_app_country] => US [patent_app_date] => 2021-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7464 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 17487231 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/487231
COMPRESSOR AND HYDROGEN STATION Sep 27, 2021 Abandoned
Array ( [id] => 18545894 [patent_doc_number] => 11719239 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-08 [patent_title] => Pump unit for clutch actuation [patent_app_type] => utility [patent_app_number] => 17/480742 [patent_app_country] => US [patent_app_date] => 2021-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 4304 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17480742 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/480742
Pump unit for clutch actuation Sep 20, 2021 Issued
Array ( [id] => 18771596 [patent_doc_number] => 20230366417 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => METHOD FOR CONTROLLING A HYDRAULIC SYSTEM [patent_app_type] => utility [patent_app_number] => 18/027961 [patent_app_country] => US [patent_app_date] => 2021-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2556 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18027961 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/027961
Method for controlling a hydraulic system Sep 13, 2021 Issued
Array ( [id] => 18838291 [patent_doc_number] => 11846356 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-12-19 [patent_title] => Self-locking plug [patent_app_type] => utility [patent_app_number] => 17/405321 [patent_app_country] => US [patent_app_date] => 2021-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 5914 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17405321 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/405321
Self-locking plug Aug 17, 2021 Issued
Array ( [id] => 18726692 [patent_doc_number] => 20230340973 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => Pressure-Medium Cylinder Having a Static End-Position Seal [patent_app_type] => utility [patent_app_number] => 18/041471 [patent_app_country] => US [patent_app_date] => 2021-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5069 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18041471 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/041471
Pressure-medium cylinder having a static end-position seal Aug 9, 2021 Issued
Array ( [id] => 18560439 [patent_doc_number] => 11725675 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Fluid-actuated linear drive [patent_app_type] => utility [patent_app_number] => 17/396003 [patent_app_country] => US [patent_app_date] => 2021-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 8424 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 507 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17396003 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/396003
Fluid-actuated linear drive Aug 5, 2021 Issued
Array ( [id] => 17298519 [patent_doc_number] => 20210394358 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => SOFT GROWING ROBOT HAVING FOLDING TYPE GROWING UNIT [patent_app_type] => utility [patent_app_number] => 17/349343 [patent_app_country] => US [patent_app_date] => 2021-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6159 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17349343 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/349343
Soft growing robot having folding type growing unit Jul 11, 2021 Issued
Array ( [id] => 17185948 [patent_doc_number] => 20210332833 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => HYDRAULIC ACTUATOR [patent_app_type] => utility [patent_app_number] => 17/369115 [patent_app_country] => US [patent_app_date] => 2021-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4383 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 17369115 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/369115
Hydraulic actuator Jul 6, 2021 Issued
Menu