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] => 15436945 [patent_doc_number] => 20200032656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-30 [patent_title] => DIRECTIONAL COOLING ARRANGEMENT FOR AIRFOILS [patent_app_type] => utility [patent_app_number] => 16/419137 [patent_app_country] => US [patent_app_date] => 2019-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6261 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16419137 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/419137
Directional cooling arrangement for airfoils May 21, 2019 Issued
Array ( [id] => 16127279 [patent_doc_number] => 10697385 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-30 [patent_title] => Engine control method for vehicle [patent_app_type] => utility [patent_app_number] => 16/415018 [patent_app_country] => US [patent_app_date] => 2019-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2810 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [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] => 16415018 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/415018
Engine control method for vehicle May 16, 2019 Issued
Array ( [id] => 16142915 [patent_doc_number] => 10704524 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-07 [patent_title] => Control system of compression-ignition engine [patent_app_type] => utility [patent_app_number] => 16/415658 [patent_app_country] => US [patent_app_date] => 2019-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 17207 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 294 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16415658 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/415658
Control system of compression-ignition engine May 16, 2019 Issued
Array ( [id] => 16453379 [patent_doc_number] => 20200362805 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => FUEL SYSTEM HAVING FIXED GEOMETRY FLOW REGULATING VALVE FOR LIMITING INJECTOR CROSS TALK [patent_app_type] => utility [patent_app_number] => 16/414140 [patent_app_country] => US [patent_app_date] => 2019-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3684 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16414140 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/414140
Fuel system having fixed geometry flow regulating valve for limiting injector cross talk May 15, 2019 Issued
Array ( [id] => 16142913 [patent_doc_number] => 10704523 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-07 [patent_title] => Control system of compression-ignition engine [patent_app_type] => utility [patent_app_number] => 16/414508 [patent_app_country] => US [patent_app_date] => 2019-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 22 [patent_no_of_words] => 18653 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 419 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16414508 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/414508
Control system of compression-ignition engine May 15, 2019 Issued
Array ( [id] => 16736335 [patent_doc_number] => 10961973 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-30 [patent_title] => Spark plug electrode wear rate determination for a spark-ignited engine [patent_app_type] => utility [patent_app_number] => 16/413105 [patent_app_country] => US [patent_app_date] => 2019-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5562 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16413105 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/413105
Spark plug electrode wear rate determination for a spark-ignited engine May 14, 2019 Issued
Array ( [id] => 15179667 [patent_doc_number] => 20190360425 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-28 [patent_title] => CONTROL SYSTEM FOR COMPRESSION-IGNITION ENGINE [patent_app_type] => utility [patent_app_number] => 16/413420 [patent_app_country] => US [patent_app_date] => 2019-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16481 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 331 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16413420 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/413420
Control system for compression-ignition engine May 14, 2019 Issued
Array ( [id] => 16453365 [patent_doc_number] => 20200362791 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => EARLY PILOT LEAN BURN STRATEGY IN DUAL FUEL ENGINE USING TARGETED PILOT FLAMES [patent_app_type] => utility [patent_app_number] => 16/410269 [patent_app_country] => US [patent_app_date] => 2019-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7002 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16410269 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/410269
Early pilot lean burn strategy in dual fuel engine using targeted pilot flames May 12, 2019 Issued
Array ( [id] => 15784279 [patent_doc_number] => 10625846 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-21 [patent_title] => Adaptable rotor control system for a variable number of blades [patent_app_type] => utility [patent_app_number] => 16/408057 [patent_app_country] => US [patent_app_date] => 2019-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6524 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16408057 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/408057
Adaptable rotor control system for a variable number of blades May 8, 2019 Issued
Array ( [id] => 15179583 [patent_doc_number] => 20190360383 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-28 [patent_title] => METHOD FOR PREVENTING OR REDUCING LOW SPEED PRE-IGNITION IN DIRECT INJECTED SPARK-IGNITED ENGINES WITH SILANE-CONTAINING LUBRICANT [patent_app_type] => utility [patent_app_number] => 16/407371 [patent_app_country] => US [patent_app_date] => 2019-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9312 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16407371 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/407371
Method for preventing or reducing low speed pre-ignition in direct injected spark-ignited engines with silane-containing lubricant May 8, 2019 Issued
Array ( [id] => 15118531 [patent_doc_number] => 20190345898 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-14 [patent_title] => ARRANGEMENT FOR REGENERATING AN ACTIVATED CARBON FILTER [patent_app_type] => utility [patent_app_number] => 16/406102 [patent_app_country] => US [patent_app_date] => 2019-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3317 [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] => 16406102 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/406102
Arrangement for regenerating an activated carbon filter May 7, 2019 Issued
Array ( [id] => 16437826 [patent_doc_number] => 20200355152 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-12 [patent_title] => APPARATUS AND METHOD FOR CONTROL OF POWERTRAIN STOP POSITION [patent_app_type] => utility [patent_app_number] => 16/406658 [patent_app_country] => US [patent_app_date] => 2019-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2659 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16406658 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/406658
Apparatus and method for control of powertrain stop position May 7, 2019 Issued
Array ( [id] => 15118501 [patent_doc_number] => 20190345883 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-14 [patent_title] => Electronic Fuel Injection Throttle Body Assembly [patent_app_type] => utility [patent_app_number] => 16/405519 [patent_app_country] => US [patent_app_date] => 2019-05-07 [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] => -14 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16405519 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/405519
Electronic fuel injection throttle body assembly May 6, 2019 Issued
Array ( [id] => 16665721 [patent_doc_number] => 10934958 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-02 [patent_title] => Air-fuel ratio detection device and air-fuel ratio detection method [patent_app_type] => utility [patent_app_number] => 16/402451 [patent_app_country] => US [patent_app_date] => 2019-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 9697 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16402451 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/402451
Air-fuel ratio detection device and air-fuel ratio detection method May 2, 2019 Issued
Array ( [id] => 16476816 [patent_doc_number] => 10851748 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-01 [patent_title] => Fuel distributor for internal combustion engines [patent_app_type] => utility [patent_app_number] => 16/394188 [patent_app_country] => US [patent_app_date] => 2019-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2763 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16394188 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/394188
Fuel distributor for internal combustion engines Apr 24, 2019 Issued
Array ( [id] => 16916853 [patent_doc_number] => 20210189945 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => CONTROL APPARATUS FOR COMPRESSION-IGNITION TYPE ENGINE [patent_app_type] => utility [patent_app_number] => 17/051663 [patent_app_country] => US [patent_app_date] => 2019-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26066 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17051663 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/051663
Control apparatus for compression-ignition type engine Apr 16, 2019 Issued
Array ( [id] => 16215782 [patent_doc_number] => 10731583 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-04 [patent_title] => System and method of controlling oxygen purge of three-way catalyst [patent_app_type] => utility [patent_app_number] => 16/380428 [patent_app_country] => US [patent_app_date] => 2019-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 8290 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16380428 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/380428
System and method of controlling oxygen purge of three-way catalyst Apr 9, 2019 Issued
Array ( [id] => 16199301 [patent_doc_number] => 10724454 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-28 [patent_title] => System and method for operating engine cylinders [patent_app_type] => utility [patent_app_number] => 16/356537 [patent_app_country] => US [patent_app_date] => 2019-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 7345 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16356537 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/356537
System and method for operating engine cylinders Mar 17, 2019 Issued
Array ( [id] => 15575385 [patent_doc_number] => 10578064 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-03 [patent_title] => Relief valve device and high-pressure pump [patent_app_type] => utility [patent_app_number] => 16/269590 [patent_app_country] => US [patent_app_date] => 2019-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 15635 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16269590 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/269590
Relief valve device and high-pressure pump Feb 6, 2019 Issued
Array ( [id] => 17407696 [patent_doc_number] => 11248572 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-15 [patent_title] => Fuel distributor for internal combustion engines [patent_app_type] => utility [patent_app_number] => 16/959038 [patent_app_country] => US [patent_app_date] => 2019-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2602 [patent_no_of_claims] => 9 [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] => 16959038 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/959038
Fuel distributor for internal combustion engines Jan 31, 2019 Issued
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