Search

Michael D. David

Examiner (ID: 18676, Phone: (571)270-3737 , Office: P/3641 )

Most Active Art Unit
3641
Art Unit(s)
4155, 3641
Total Applications
1215
Issued Applications
1044
Pending Applications
61
Abandoned Applications
134

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17641488 [patent_doc_number] => 20220169226 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => ACTUATOR FOR ELECTRIC PARKING BRAKE [patent_app_type] => utility [patent_app_number] => 17/601037 [patent_app_country] => US [patent_app_date] => 2020-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3821 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17601037 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/601037
Actuator for electric parking brake Mar 25, 2020 Issued
Array ( [id] => 17097720 [patent_doc_number] => 20210285511 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-16 [patent_title] => COMPOSITES AND METHODS OF FORMING COMPOSITES VIA PITCH INFILTRATION [patent_app_type] => utility [patent_app_number] => 16/818930 [patent_app_country] => US [patent_app_date] => 2020-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5285 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16818930 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/818930
Composites and methods of forming composites via pitch infiltration Mar 12, 2020 Issued
Array ( [id] => 17656471 [patent_doc_number] => 20220176936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => SUPERVISING DEVICE FOR MONITORING THE OPERATION OF AN ANTI-SLIP DEVICE OF A RAILWAY BRAKING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/593050 [patent_app_country] => US [patent_app_date] => 2020-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10226 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17593050 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/593050
Supervising device for monitoring the operation of an anti-slip device of a railway braking system Mar 5, 2020 Issued
Array ( [id] => 16297059 [patent_doc_number] => 20200282782 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => SYSTEM AND METHOD FOR RECHARGING A RAILCAR AIR-BRAKE SYSTEM [patent_app_type] => utility [patent_app_number] => 16/812113 [patent_app_country] => US [patent_app_date] => 2020-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7577 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16812113 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/812113
System and method for recharging a railcar air-brake system Mar 5, 2020 Issued
Array ( [id] => 16298592 [patent_doc_number] => 20200284315 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => ASSEMBLY OF A TOWER SECTION OF A WIND TURBINE TOWER [patent_app_type] => utility [patent_app_number] => 16/804034 [patent_app_country] => US [patent_app_date] => 2020-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9799 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16804034 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/804034
Assembly of a tower section of a wind turbine tower Feb 27, 2020 Issued
Array ( [id] => 20128786 [patent_doc_number] => 12371087 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => System for immobilizing a medical robot [patent_app_type] => utility [patent_app_number] => 17/435300 [patent_app_country] => US [patent_app_date] => 2020-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2344 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17435300 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/435300
System for immobilizing a medical robot Feb 27, 2020 Issued
Array ( [id] => 17222419 [patent_doc_number] => 11174911 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-16 [patent_title] => Structures, lattice materials and lattice cylindrical shells with simultaneous stretch- and compression-expanding property [patent_app_type] => utility [patent_app_number] => 17/047872 [patent_app_country] => US [patent_app_date] => 2020-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 25 [patent_no_of_words] => 2103 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 571 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17047872 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/047872
Structures, lattice materials and lattice cylindrical shells with simultaneous stretch- and compression-expanding property Feb 27, 2020 Issued
Array ( [id] => 19931243 [patent_doc_number] => 12304440 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Brake regulating device, braking method, and brake system for a rail vehicle [patent_app_type] => utility [patent_app_number] => 17/601034 [patent_app_country] => US [patent_app_date] => 2020-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17601034 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/601034
Brake regulating device, braking method, and brake system for a rail vehicle Feb 27, 2020 Issued
Array ( [id] => 16269690 [patent_doc_number] => 20200271177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-27 [patent_title] => PHENOL RESIN FOR WET FRICTION MATERIAL, PHENOL RESIN COMPOSITION, AND WET FRICTION MATERIAL [patent_app_type] => utility [patent_app_number] => 16/801387 [patent_app_country] => US [patent_app_date] => 2020-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6466 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16801387 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/801387
Phenol resin for wet friction material, phenol resin composition, and wet friction material Feb 25, 2020 Issued
Array ( [id] => 16269701 [patent_doc_number] => 20200271188 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-27 [patent_title] => VARIABLE STIFFNESS VIBRATION DAMPING DEVICE [patent_app_type] => utility [patent_app_number] => 16/800859 [patent_app_country] => US [patent_app_date] => 2020-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10289 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 362 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16800859 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/800859
Variable stiffness vibration damping device Feb 24, 2020 Issued
Array ( [id] => 16268335 [patent_doc_number] => 20200269822 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-27 [patent_title] => TRAILER AIRBRAKE AUGMENTATION MECHANISM FOR UNMANNED CONTAINER YARD OPERATIONS [patent_app_type] => utility [patent_app_number] => 16/796925 [patent_app_country] => US [patent_app_date] => 2020-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7120 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16796925 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/796925
TRAILER AIRBRAKE AUGMENTATION MECHANISM FOR UNMANNED CONTAINER YARD OPERATIONS Feb 19, 2020 Abandoned
Array ( [id] => 17793041 [patent_doc_number] => 20220252132 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => TORSIONAL VIBRATION DAMPER HAVING A HELICAL SPRING ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/432268 [patent_app_country] => US [patent_app_date] => 2020-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2588 [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] => 17432268 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/432268
TORSIONAL VIBRATION DAMPER HAVING A HELICAL SPRING ASSEMBLY Feb 18, 2020 Abandoned
Array ( [id] => 17578158 [patent_doc_number] => 20220135013 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => FAILSAFE BRAKE SYSTEM [patent_app_type] => utility [patent_app_number] => 17/429615 [patent_app_country] => US [patent_app_date] => 2020-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16752 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 17429615 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/429615
Failsafe brake system Feb 11, 2020 Issued
Array ( [id] => 16239180 [patent_doc_number] => 20200256414 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-13 [patent_title] => ELECTRIC PARKING BRAKE WITH ACTIVE PISTON RETRACTION [patent_app_type] => utility [patent_app_number] => 16/785064 [patent_app_country] => US [patent_app_date] => 2020-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4281 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 16785064 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/785064
Electric parking brake with active piston retraction Feb 6, 2020 Issued
Array ( [id] => 15995289 [patent_doc_number] => 20200173515 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-04 [patent_title] => METHODS AND APPARATUS FOR SUSPENSION LOCK OUT AND SIGNAL GENERATION [patent_app_type] => utility [patent_app_number] => 16/780688 [patent_app_country] => US [patent_app_date] => 2020-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7779 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 16780688 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/780688
Methods and apparatus for suspension lock out and signal generation Feb 2, 2020 Issued
Array ( [id] => 18233834 [patent_doc_number] => 11598385 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-07 [patent_title] => Elastic bearing [patent_app_type] => utility [patent_app_number] => 16/779097 [patent_app_country] => US [patent_app_date] => 2020-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 6151 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16779097 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/779097
Elastic bearing Jan 30, 2020 Issued
Array ( [id] => 17998496 [patent_doc_number] => 11499597 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-15 [patent_title] => Piezoelectric braking device [patent_app_type] => utility [patent_app_number] => 16/776888 [patent_app_country] => US [patent_app_date] => 2020-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 3626 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16776888 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/776888
Piezoelectric braking device Jan 29, 2020 Issued
Array ( [id] => 16254372 [patent_doc_number] => 20200263746 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-20 [patent_title] => Brake System Damping Device [patent_app_type] => utility [patent_app_number] => 16/775842 [patent_app_country] => US [patent_app_date] => 2020-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12607 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16775842 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/775842
Brake system damping device Jan 28, 2020 Issued
Array ( [id] => 19339746 [patent_doc_number] => 12049928 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-30 [patent_title] => Actuator assembly for a positively locking, switchable clutch or a brake, and a positively locking, switchable clutch or brake for a motor vehicle drive train [patent_app_type] => utility [patent_app_number] => 17/423546 [patent_app_country] => US [patent_app_date] => 2020-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 7021 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17423546 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/423546
Actuator assembly for a positively locking, switchable clutch or a brake, and a positively locking, switchable clutch or brake for a motor vehicle drive train Jan 20, 2020 Issued
Array ( [id] => 16375910 [patent_doc_number] => 20200324752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-15 [patent_title] => ANTI-LOCK BRAKE DEVICE FOR BICYCLE [patent_app_type] => utility [patent_app_number] => 16/741851 [patent_app_country] => US [patent_app_date] => 2020-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4534 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16741851 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/741851
Anti-lock brake device for bicycle Jan 13, 2020 Issued
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