Search

Keath T. Chen

Examiner (ID: 11633, Phone: (571)270-1870 , Office: P/1716 )

Most Active Art Unit
1716
Art Unit(s)
1762, 1792, 1712, 1716
Total Applications
1383
Issued Applications
434
Pending Applications
122
Abandoned Applications
847

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 12001387 [patent_doc_number] => 20170305542 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-26 [patent_title] => 'AERIAL SYSTEM PROPULSION ASSEMBLY AND METHOD OF USE' [patent_app_type] => utility [patent_app_number] => 15/495615 [patent_app_country] => US [patent_app_date] => 2017-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 8273 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15495615 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/495615
Aerial system propulsion assembly and method of use Apr 23, 2017 Issued
Array ( [id] => 13509041 [patent_doc_number] => 20180306063 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-25 [patent_title] => SEAL SEGMENT RETENTION RING WITH CHORDAL SEAL FEATURE [patent_app_type] => utility [patent_app_number] => 15/491601 [patent_app_country] => US [patent_app_date] => 2017-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5692 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15491601 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/491601
Seal segment retention ring with chordal seal feature Apr 18, 2017 Issued
Array ( [id] => 12547977 [patent_doc_number] => 10012201 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-07-03 [patent_title] => Method for controlling a stop/start vehicle [patent_app_type] => utility [patent_app_number] => 15/491275 [patent_app_country] => US [patent_app_date] => 2017-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 9355 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15491275 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/491275
Method for controlling a stop/start vehicle Apr 18, 2017 Issued
Array ( [id] => 13494737 [patent_doc_number] => 20180298911 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-18 [patent_title] => SHAFT STRUCTURES OF FAN [patent_app_type] => utility [patent_app_number] => 15/488568 [patent_app_country] => US [patent_app_date] => 2017-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1790 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15488568 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/488568
SHAFT STRUCTURES OF FAN Apr 16, 2017 Abandoned
Array ( [id] => 15542183 [patent_doc_number] => 10570861 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-25 [patent_title] => Multi-fuel injector for an internal combustion engine, method for operating a multi-fuel injector and internal combustion engine [patent_app_type] => utility [patent_app_number] => 15/486356 [patent_app_country] => US [patent_app_date] => 2017-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5351 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 327 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15486356 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/486356
Multi-fuel injector for an internal combustion engine, method for operating a multi-fuel injector and internal combustion engine Apr 12, 2017 Issued
Array ( [id] => 14701617 [patent_doc_number] => 10378546 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-13 [patent_title] => Turbomachine arrangement [patent_app_type] => utility [patent_app_number] => 15/484223 [patent_app_country] => US [patent_app_date] => 2017-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2005 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15484223 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/484223
Turbomachine arrangement Apr 10, 2017 Issued
Array ( [id] => 11988252 [patent_doc_number] => 20170292407 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-12 [patent_title] => 'IMPINGEMENT PLATE WITH STRESS RELIEF FEATURE' [patent_app_type] => utility [patent_app_number] => 15/482907 [patent_app_country] => US [patent_app_date] => 2017-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2955 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15482907 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/482907
IMPINGEMENT PLATE WITH STRESS RELIEF FEATURE Apr 9, 2017 Abandoned
Array ( [id] => 14979023 [patent_doc_number] => 10443418 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-15 [patent_title] => Seal carrier for a turbomachine, in particular a gas turbine [patent_app_type] => utility [patent_app_number] => 15/478261 [patent_app_country] => US [patent_app_date] => 2017-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3644 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15478261 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/478261
Seal carrier for a turbomachine, in particular a gas turbine Apr 3, 2017 Issued
Array ( [id] => 12429996 [patent_doc_number] => 09976508 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-22 [patent_title] => Internal combustion engine [patent_app_type] => utility [patent_app_number] => 15/476229 [patent_app_country] => US [patent_app_date] => 2017-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 19 [patent_no_of_words] => 12902 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 388 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15476229 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/476229
Internal combustion engine Mar 30, 2017 Issued
Array ( [id] => 15437147 [patent_doc_number] => 20200032757 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-30 [patent_title] => FUEL SUPPLY DEVICE FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 16/497234 [patent_app_country] => US [patent_app_date] => 2017-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5032 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 16497234 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/497234
Fuel supply device for internal combustion engine Mar 29, 2017 Issued
Array ( [id] => 14554683 [patent_doc_number] => 10345799 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-09 [patent_title] => Apparatus and method for non-destructive detection of fan blade electrical isolation [patent_app_type] => utility [patent_app_number] => 15/470799 [patent_app_country] => US [patent_app_date] => 2017-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 5204 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 15470799 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/470799
Apparatus and method for non-destructive detection of fan blade electrical isolation Mar 26, 2017 Issued
Array ( [id] => 15528537 [patent_doc_number] => 20200056574 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-20 [patent_title] => ENGINE START CONTROL DEVICE [patent_app_type] => utility [patent_app_number] => 16/495707 [patent_app_country] => US [patent_app_date] => 2017-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9186 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 16495707 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/495707
Engine start control device Mar 23, 2017 Issued
Array ( [id] => 15635731 [patent_doc_number] => 10590846 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-17 [patent_title] => Valve cover extension tube with integrated sensor [patent_app_type] => utility [patent_app_number] => 15/467506 [patent_app_country] => US [patent_app_date] => 2017-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 10369 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 297 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15467506 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/467506
Valve cover extension tube with integrated sensor Mar 22, 2017 Issued
Array ( [id] => 12864403 [patent_doc_number] => 20180179975 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-28 [patent_title] => ENGINE CONTROL SYSTEM INCLUDING FEED-FORWARD NEURAL NETWORK CONTROLLER [patent_app_type] => utility [patent_app_number] => 15/467053 [patent_app_country] => US [patent_app_date] => 2017-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6890 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15467053 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/467053
Engine control system including feed-forward neural network controller Mar 22, 2017 Issued
Array ( [id] => 14639951 [patent_doc_number] => 10364710 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-30 [patent_title] => Engine valve and method of producing the same [patent_app_type] => utility [patent_app_number] => 15/464790 [patent_app_country] => US [patent_app_date] => 2017-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 5181 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [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] => 15464790 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/464790
Engine valve and method of producing the same Mar 20, 2017 Issued
Array ( [id] => 13446017 [patent_doc_number] => 20180274551 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-27 [patent_title] => FORCED INDUCTION DEVICE WITH INSERT FOR REDUCED FLOW CAPACITY [patent_app_type] => utility [patent_app_number] => 15/465145 [patent_app_country] => US [patent_app_date] => 2017-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5106 [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] => 15465145 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/465145
FORCED INDUCTION DEVICE WITH INSERT FOR REDUCED FLOW CAPACITY Mar 20, 2017 Abandoned
Array ( [id] => 16407375 [patent_doc_number] => 10815921 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-10-27 [patent_title] => Systems and methods for adaptive acceleration based speed control [patent_app_type] => utility [patent_app_number] => 15/462384 [patent_app_country] => US [patent_app_date] => 2017-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4575 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15462384 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/462384
Systems and methods for adaptive acceleration based speed control Mar 16, 2017 Issued
Array ( [id] => 15620229 [patent_doc_number] => 20200080519 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-12 [patent_title] => FUEL SYSTEM FOR AN INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 16/493825 [patent_app_country] => US [patent_app_date] => 2017-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6602 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 16493825 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/493825
Fuel system for an internal combustion engine Mar 15, 2017 Issued
Array ( [id] => 12059351 [patent_doc_number] => 20170335695 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-23 [patent_title] => 'TURBOMACHINE BLADE ASSEMBLY' [patent_app_type] => utility [patent_app_number] => 15/458257 [patent_app_country] => US [patent_app_date] => 2017-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3204 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15458257 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/458257
Turbomachine blade assembly Mar 13, 2017 Issued
Array ( [id] => 12389310 [patent_doc_number] => 09964011 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-08 [patent_title] => Power unit for vehicle [patent_app_type] => utility [patent_app_number] => 15/454503 [patent_app_country] => US [patent_app_date] => 2017-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 10082 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15454503 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/454503
Power unit for vehicle Mar 8, 2017 Issued
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