Search

David J. Buttner

Examiner (ID: 266, Phone: (571)272-1084 , Office: P/1765 )

Most Active Art Unit
1765
Art Unit(s)
1713, 1505, 1712, 1501, 1765, 1512, 1796, 1763, 1511
Total Applications
3202
Issued Applications
2135
Pending Applications
175
Abandoned Applications
910

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17490984 [patent_doc_number] => 11280278 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-22 [patent_title] => Methods and systems for a series gap igniter with a passive pre-chamber [patent_app_type] => utility [patent_app_number] => 16/920861 [patent_app_country] => US [patent_app_date] => 2020-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 17727 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16920861 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/920861
Methods and systems for a series gap igniter with a passive pre-chamber Jul 5, 2020 Issued
Array ( [id] => 19840675 [patent_doc_number] => 12253053 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Method and device for supplying a hydrogen internal combustion engine of a motor vehicle with hydrogen [patent_app_type] => utility [patent_app_number] => 17/626803 [patent_app_country] => US [patent_app_date] => 2020-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 4714 [patent_no_of_claims] => 21 [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] => 17626803 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/626803
Method and device for supplying a hydrogen internal combustion engine of a motor vehicle with hydrogen Jul 2, 2020 Issued
Array ( [id] => 19105381 [patent_doc_number] => 11958461 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Detection method and sensor device for an electromechanical brake booster of an on-board hydraulic braking system [patent_app_type] => utility [patent_app_number] => 17/621849 [patent_app_country] => US [patent_app_date] => 2020-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4640 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17621849 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/621849
Detection method and sensor device for an electromechanical brake booster of an on-board hydraulic braking system Jun 23, 2020 Issued
Array ( [id] => 16526031 [patent_doc_number] => 20200400111 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => FUEL INJECTION DEVICE [patent_app_type] => utility [patent_app_number] => 16/902597 [patent_app_country] => US [patent_app_date] => 2020-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5185 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16902597 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/902597
Fuel injection device Jun 15, 2020 Issued
Array ( [id] => 17090374 [patent_doc_number] => 11118555 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-14 [patent_title] => Apparatus and system for dual ignition sources for a vehicle [patent_app_type] => utility [patent_app_number] => 16/902537 [patent_app_country] => US [patent_app_date] => 2020-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4408 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16902537 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/902537
Apparatus and system for dual ignition sources for a vehicle Jun 15, 2020 Issued
Array ( [id] => 19368026 [patent_doc_number] => 12060093 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => Odometric method, in particular for a rail vehicle or a control center [patent_app_type] => utility [patent_app_number] => 17/620832 [patent_app_country] => US [patent_app_date] => 2020-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5407 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17620832 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/620832
Odometric method, in particular for a rail vehicle or a control center Jun 14, 2020 Issued
Array ( [id] => 17336824 [patent_doc_number] => 20220003155 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => METHOD OF INJECTING AMMONIA FUEL INTO A RECIPROCATING ENGINE [patent_app_type] => utility [patent_app_number] => 17/294182 [patent_app_country] => US [patent_app_date] => 2020-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8319 [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] => 17294182 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/294182
METHOD OF INJECTING AMMONIA FUEL INTO A RECIPROCATING ENGINE Jun 14, 2020 Abandoned
Array ( [id] => 16893793 [patent_doc_number] => 11035334 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-06-15 [patent_title] => Engine ignition system and method using sparkplug dry firing to extend service life [patent_app_type] => utility [patent_app_number] => 16/900422 [patent_app_country] => US [patent_app_date] => 2020-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4263 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16900422 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/900422
Engine ignition system and method using sparkplug dry firing to extend service life Jun 11, 2020 Issued
Array ( [id] => 16361811 [patent_doc_number] => 20200318562 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-08 [patent_title] => FUEL TYPE PREDICTION FROM MASS FLOW MEASUREMENTS AND THERMAL CONDUCTIVITY SENSOR [patent_app_type] => utility [patent_app_number] => 16/889193 [patent_app_country] => US [patent_app_date] => 2020-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7593 [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] => 16889193 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/889193
Fuel type prediction from mass flow measurements and thermal conductivity sensor May 31, 2020 Issued
Array ( [id] => 16484728 [patent_doc_number] => 20200378329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => SYSTEM FOR DETECTING ABNORMALITY IN BLOW-BY GAS FEED PATH IN INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 15/930483 [patent_app_country] => US [patent_app_date] => 2020-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17952 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 15930483 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/930483
System for detecting abnormality in blow-by gas feed path in internal combustion engine May 12, 2020 Issued
Array ( [id] => 20526882 [patent_doc_number] => 12545305 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-10 [patent_title] => Rail yard train-switching system, control device, and control method [patent_app_type] => utility [patent_app_number] => 17/912941 [patent_app_country] => US [patent_app_date] => 2020-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 9042 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17912941 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/912941
RAIL YARD TRAIN-SWITCHING SYSTEM, CONTROL DEVICE, CONTROL METHOD, AND CONTROL PROGRAM May 11, 2020 Pending
Array ( [id] => 16437806 [patent_doc_number] => 20200355132 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-12 [patent_title] => Systems and Methods for Reducing Emissions [patent_app_type] => utility [patent_app_number] => 16/868992 [patent_app_country] => US [patent_app_date] => 2020-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7154 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -35 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16868992 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/868992
Systems and Methods for Reducing Emissions May 6, 2020 Pending
Array ( [id] => 16468947 [patent_doc_number] => 20200370484 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-26 [patent_title] => HYBRID VEHICLE AND METHOD OF CONTROLLING THE SAME [patent_app_type] => utility [patent_app_number] => 16/865598 [patent_app_country] => US [patent_app_date] => 2020-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6939 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16865598 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/865598
Hybrid vehicle and method of controlling the same May 3, 2020 Issued
Array ( [id] => 19196116 [patent_doc_number] => 11993341 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-28 [patent_title] => Method and device for carrying out autonomous braking in a two-wheeled motor vehicle [patent_app_type] => utility [patent_app_number] => 17/596392 [patent_app_country] => US [patent_app_date] => 2020-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2177 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17596392 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/596392
Method and device for carrying out autonomous braking in a two-wheeled motor vehicle Apr 27, 2020 Issued
Array ( [id] => 19105383 [patent_doc_number] => 11958463 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Method for operating a hydraulic power vehicle braking system for autonomous driving [patent_app_type] => utility [patent_app_number] => 17/623541 [patent_app_country] => US [patent_app_date] => 2020-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2720 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17623541 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/623541
Method for operating a hydraulic power vehicle braking system for autonomous driving Apr 27, 2020 Issued
Array ( [id] => 19536305 [patent_doc_number] => 12128844 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-29 [patent_title] => Occupant protection system [patent_app_type] => utility [patent_app_number] => 17/766183 [patent_app_country] => US [patent_app_date] => 2020-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 9101 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17766183 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/766183
Occupant protection system Apr 20, 2020 Issued
Array ( [id] => 16453361 [patent_doc_number] => 20200362787 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => ANOMALY DIAGNOSTIC DEVICE FOR ONBOARD INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 16/850514 [patent_app_country] => US [patent_app_date] => 2020-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12029 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16850514 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/850514
Anomaly diagnostic device for onboard internal combustion engine Apr 15, 2020 Issued
Array ( [id] => 17734177 [patent_doc_number] => 20220219636 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => OCCUPANT PROTECTING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/606187 [patent_app_country] => US [patent_app_date] => 2020-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9070 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17606187 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/606187
Occupant protecting system Mar 30, 2020 Issued
Array ( [id] => 17612382 [patent_doc_number] => 20220154661 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => INJECTOR FAILURE DIAGNOSTIC DEVICE AND INJECTOR FAILURE DIAGNOSTIC METHOD [patent_app_type] => utility [patent_app_number] => 17/435717 [patent_app_country] => US [patent_app_date] => 2020-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5960 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17435717 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/435717
Injector failure diagnostic device and injector failure diagnostic method Mar 26, 2020 Issued
Array ( [id] => 17521073 [patent_doc_number] => 20220106922 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => METHOD FOR CONTROLLING A HIGH-PRESSURE FUEL INJECTOR [patent_app_type] => utility [patent_app_number] => 17/424205 [patent_app_country] => US [patent_app_date] => 2020-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3555 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 473 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17424205 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/424205
Method for controlling a high-pressure fuel injector Mar 22, 2020 Issued
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