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] => 18102997 [patent_doc_number] => 11542878 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-03 [patent_title] => Zero emission propulsion systems and generator sets using ammonia as fuel [patent_app_type] => utility [patent_app_number] => 17/504370 [patent_app_country] => US [patent_app_date] => 2021-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8031 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17504370 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/504370
Zero emission propulsion systems and generator sets using ammonia as fuel Oct 17, 2021 Issued
Array ( [id] => 17939068 [patent_doc_number] => 11473513 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-10-18 [patent_title] => Torque control of piston engine with crankpin offset [patent_app_type] => utility [patent_app_number] => 17/500682 [patent_app_country] => US [patent_app_date] => 2021-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 24 [patent_no_of_words] => 7345 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 322 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17500682 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/500682
Torque control of piston engine with crankpin offset Oct 12, 2021 Issued
Array ( [id] => 17534248 [patent_doc_number] => 20220112857 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => ENGINE CONTROLLER [patent_app_type] => utility [patent_app_number] => 17/500282 [patent_app_country] => US [patent_app_date] => 2021-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6779 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17500282 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/500282
Engine controller Oct 12, 2021 Issued
Array ( [id] => 17534226 [patent_doc_number] => 20220112835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => METHOD FOR OPERATING A HYDROGEN FUELLED COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 17/496159 [patent_app_country] => US [patent_app_date] => 2021-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3193 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17496159 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/496159
METHOD FOR OPERATING A HYDROGEN FUELLED COMBUSTION ENGINE Oct 6, 2021 Abandoned
Array ( [id] => 17762084 [patent_doc_number] => 20220235696 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 17/494186 [patent_app_country] => US [patent_app_date] => 2021-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11322 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17494186 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/494186
Control device for internal combustion engine Oct 4, 2021 Issued
Array ( [id] => 17534238 [patent_doc_number] => 20220112847 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => VARIABLE VALVE TIMING INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 17/492245 [patent_app_country] => US [patent_app_date] => 2021-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11060 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 17492245 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/492245
Variable valve timing internal combustion engine Sep 30, 2021 Issued
Array ( [id] => 18845423 [patent_doc_number] => 20230407827 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => FUEL SUPPLY ASSEMBLY WITH IN-TANK RESERVOIR [patent_app_type] => utility [patent_app_number] => 18/027663 [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] => 8214 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18027663 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/027663
Fuel supply assembly with in-tank reservoir Sep 28, 2021 Issued
Array ( [id] => 19922609 [patent_doc_number] => 12296877 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Safety information supervising apparatus applied to high-speed rail signaling system [patent_app_type] => utility [patent_app_number] => 18/021658 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18021658 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/021658
Safety information supervising apparatus applied to high-speed rail signaling system Sep 23, 2021 Issued
Array ( [id] => 20213164 [patent_doc_number] => 12409801 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Method for operating an identification device of a seat, as well as an identification device [patent_app_type] => utility [patent_app_number] => 18/251808 [patent_app_country] => US [patent_app_date] => 2021-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 5 [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] => 18251808 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/251808
Method for operating an identification device of a seat, as well as an identification device Sep 22, 2021 Issued
Array ( [id] => 18013871 [patent_doc_number] => 11506156 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-11-22 [patent_title] => Air induction system water relief door [patent_app_type] => utility [patent_app_number] => 17/475926 [patent_app_country] => US [patent_app_date] => 2021-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3308 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17475926 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/475926
Air induction system water relief door Sep 14, 2021 Issued
Array ( [id] => 18233707 [patent_doc_number] => 11598258 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-07 [patent_title] => Misfire determination apparatus and method for internal combustion engine [patent_app_type] => utility [patent_app_number] => 17/475292 [patent_app_country] => US [patent_app_date] => 2021-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 16003 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 321 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17475292 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/475292
Misfire determination apparatus and method for internal combustion engine Sep 13, 2021 Issued
Array ( [id] => 18129264 [patent_doc_number] => 11555465 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-01-17 [patent_title] => System and method for diagnosing a crankcase ventilation system [patent_app_type] => utility [patent_app_number] => 17/447382 [patent_app_country] => US [patent_app_date] => 2021-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5476 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17447382 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/447382
System and method for diagnosing a crankcase ventilation system Sep 9, 2021 Issued
Array ( [id] => 19412308 [patent_doc_number] => 12078117 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Control device for variable valve timing mechanism and control method therefor [patent_app_type] => utility [patent_app_number] => 18/024217 [patent_app_country] => US [patent_app_date] => 2021-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 40 [patent_no_of_words] => 11585 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18024217 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/024217
Control device for variable valve timing mechanism and control method therefor Sep 8, 2021 Issued
Array ( [id] => 19903822 [patent_doc_number] => 12280813 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-22 [patent_title] => Train operation support system and train operation support method [patent_app_type] => utility [patent_app_number] => 18/022626 [patent_app_country] => US [patent_app_date] => 2021-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 17247 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18022626 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/022626
Train operation support system and train operation support method Sep 6, 2021 Issued
Array ( [id] => 18922263 [patent_doc_number] => 20240025267 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => VEHICLE MOTION MANAGEMENT SYSTEM AND MOTION SUPPORT DEVICE CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 18/252794 [patent_app_country] => US [patent_app_date] => 2021-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11937 [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] => 18252794 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/252794
Vehicle motion management system and motion support device control system Sep 6, 2021 Issued
Array ( [id] => 17461053 [patent_doc_number] => 20220074358 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => INTERNAL COMBUSTION ENGINE HAVING CARBON DIOXIDE CAPTURE AND FUEL ADDITIVE SYNTHESIS SYSTEM [patent_app_type] => utility [patent_app_number] => 17/446837 [patent_app_country] => US [patent_app_date] => 2021-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1763 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17446837 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/446837
Internal combustion engine having carbon dioxide capture and fuel additive synthesis system Sep 2, 2021 Issued
Array ( [id] => 17687058 [patent_doc_number] => 20220194350 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => AUTOMATED BRAKING TEST SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 17/467000 [patent_app_country] => US [patent_app_date] => 2021-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5470 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17467000 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/467000
Automated braking test system and method Sep 2, 2021 Issued
Array ( [id] => 18916404 [patent_doc_number] => 11878672 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Method of emergency braking of vehicle [patent_app_type] => utility [patent_app_number] => 17/466561 [patent_app_country] => US [patent_app_date] => 2021-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 5758 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17466561 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/466561
Method of emergency braking of vehicle Sep 2, 2021 Issued
Array ( [id] => 17473332 [patent_doc_number] => 20220080836 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => SYSTEMS AND METHODS FOR ACTIVE DAMPING OF A PLATFORM OF A VEHICLE [patent_app_type] => utility [patent_app_number] => 17/446758 [patent_app_country] => US [patent_app_date] => 2021-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6921 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17446758 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/446758
Systems and methods for active damping of a platform of a vehicle Sep 1, 2021 Issued
Array ( [id] => 17293501 [patent_doc_number] => 20210389340 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-16 [patent_title] => APPARATUS FOR MEASURING SPEED OF VEHICLE HAVING IN-WHEEL MOTOR [patent_app_type] => utility [patent_app_number] => 17/463411 [patent_app_country] => US [patent_app_date] => 2021-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3901 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17463411 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/463411
Apparatus for measuring speed of vehicle having in-wheel motor Aug 30, 2021 Issued
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