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] => 14133393 [patent_doc_number] => 20190101086 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-04 [patent_title] => FUEL TANK [patent_app_type] => utility [patent_app_number] => 15/722582 [patent_app_country] => US [patent_app_date] => 2017-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4193 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 15722582 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/722582
FUEL TANK Oct 1, 2017 Abandoned
Array ( [id] => 12126930 [patent_doc_number] => 20180010515 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-11 [patent_title] => 'DUAL FUEL ARCHITECTURE AND METHOD FOR CYLINDER BANK CUTOUT AND INCREASED GAS SUBSTITUTION DURING LIGHT LOAD CONDITIONS' [patent_app_type] => utility [patent_app_number] => 15/713047 [patent_app_country] => US [patent_app_date] => 2017-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8839 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [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] => 15713047 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/713047
Dual fuel architecture and method for cylinder bank cutout and increased gas substitution during light load conditions Sep 21, 2017 Issued
Array ( [id] => 14626135 [patent_doc_number] => 20190226435 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-25 [patent_title] => Fuel Delivery Unit [patent_app_type] => utility [patent_app_number] => 16/336051 [patent_app_country] => US [patent_app_date] => 2017-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3617 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 16336051 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/336051
Fuel delivery unit Sep 20, 2017 Issued
Array ( [id] => 12726946 [patent_doc_number] => 20180134149 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-17 [patent_title] => METHOD FOR CONTROLLING A PRESSURE INSIDE A FUEL TANK SYSTEM [patent_app_type] => utility [patent_app_number] => 15/710298 [patent_app_country] => US [patent_app_date] => 2017-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3789 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15710298 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/710298
Method for controlling a pressure inside a fuel tank system Sep 19, 2017 Issued
Array ( [id] => 12233762 [patent_doc_number] => 20180066625 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-08 [patent_title] => 'Vehicle Control Device' [patent_app_type] => utility [patent_app_number] => 15/696456 [patent_app_country] => US [patent_app_date] => 2017-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 11756 [patent_no_of_claims] => 16 [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] => 15696456 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/696456
Vehicle control device Sep 5, 2017 Issued
Array ( [id] => 14568363 [patent_doc_number] => 20190211788 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-11 [patent_title] => HIGH-PRESSURE FUEL SUPPLY PUMP [patent_app_type] => utility [patent_app_number] => 16/330890 [patent_app_country] => US [patent_app_date] => 2017-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10155 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 16330890 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/330890
High-pressure fuel supply pump Aug 1, 2017 Issued
Array ( [id] => 16277559 [patent_doc_number] => 10760579 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-01 [patent_title] => Speaker fan system and method [patent_app_type] => utility [patent_app_number] => 15/648622 [patent_app_country] => US [patent_app_date] => 2017-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 24 [patent_no_of_words] => 8729 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15648622 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/648622
Speaker fan system and method Jul 12, 2017 Issued
Array ( [id] => 17452616 [patent_doc_number] => 11267455 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-08 [patent_title] => Vehicle control device [patent_app_type] => utility [patent_app_number] => 16/627219 [patent_app_country] => US [patent_app_date] => 2017-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 9216 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16627219 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/627219
Vehicle control device Jun 29, 2017 Issued
Array ( [id] => 14440609 [patent_doc_number] => 20190178177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-13 [patent_title] => METHOD FOR CHECKING A PRESSURE MEASUREMENT IN A FUEL TANK [patent_app_type] => utility [patent_app_number] => 16/311920 [patent_app_country] => US [patent_app_date] => 2017-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4450 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16311920 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/311920
Method for checking a pressure measurement in a fuel tank Jun 29, 2017 Issued
Array ( [id] => 12119533 [patent_doc_number] => 20180003119 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-04 [patent_title] => 'EXHAUST SENSOR' [patent_app_type] => utility [patent_app_number] => 15/637500 [patent_app_country] => US [patent_app_date] => 2017-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7768 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [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] => 15637500 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/637500
Exhaust sensor Jun 28, 2017 Issued
Array ( [id] => 14469511 [patent_doc_number] => 20190186398 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-20 [patent_title] => DETERMINATION OF PRESSURIZED FUEL TEMPERATURE [patent_app_type] => utility [patent_app_number] => 16/311234 [patent_app_country] => US [patent_app_date] => 2017-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7655 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 16311234 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/311234
Determination of pressurized fuel temperature Jun 18, 2017 Issued
Array ( [id] => 16113133 [patent_doc_number] => 20200208589 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-02 [patent_title] => CONTROL DEVICE FOR DIRECT FUEL INJECTION ENGINE AND CONTROL METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 16/621753 [patent_app_country] => US [patent_app_date] => 2017-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6806 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 16621753 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/621753
Control device for direct fuel injection engine and control method thereof Jun 14, 2017 Issued
Array ( [id] => 16712718 [patent_doc_number] => 20210079865 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-18 [patent_title] => DIAGNOSTIC SYSTEMS AND METHODS FOR ISOLATING FAILURE MODES OF A VEHICLE [patent_app_type] => utility [patent_app_number] => 16/620200 [patent_app_country] => US [patent_app_date] => 2017-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7727 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16620200 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/620200
Diagnostic systems and methods for isolating failure modes of a vehicle Jun 7, 2017 Issued
Array ( [id] => 13703995 [patent_doc_number] => 20170362952 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-21 [patent_title] => AIR SEAL ABRASIVE COATING AND METHOD [patent_app_type] => utility [patent_app_number] => 15/616545 [patent_app_country] => US [patent_app_date] => 2017-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8887 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15616545 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/616545
Air seal abrasive coating and method Jun 6, 2017 Issued
Array ( [id] => 16697355 [patent_doc_number] => 10947941 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-16 [patent_title] => Fuel-injection system and assembly therefor [patent_app_type] => utility [patent_app_number] => 16/314711 [patent_app_country] => US [patent_app_date] => 2017-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2743 [patent_no_of_claims] => 19 [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] => 16314711 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/314711
Fuel-injection system and assembly therefor May 10, 2017 Issued
Array ( [id] => 13523585 [patent_doc_number] => 20180313335 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-01 [patent_title] => WORKING PLATFORM WITHIN A NACELLE OF A WIND TURBINE [patent_app_type] => utility [patent_app_number] => 15/498682 [patent_app_country] => US [patent_app_date] => 2017-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4280 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15498682 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/498682
Working platform within a nacelle of a wind turbine Apr 26, 2017 Issued
Array ( [id] => 16142815 [patent_doc_number] => 10704473 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-07 [patent_title] => Method and system for controlling an engine stall [patent_app_type] => utility [patent_app_number] => 15/499808 [patent_app_country] => US [patent_app_date] => 2017-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4252 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15499808 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/499808
Method and system for controlling an engine stall Apr 26, 2017 Issued
Array ( [id] => 15384767 [patent_doc_number] => 10533557 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-14 [patent_title] => Cutting assembly for a chopper pump [patent_app_type] => utility [patent_app_number] => 15/498085 [patent_app_country] => US [patent_app_date] => 2017-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 18 [patent_no_of_words] => 5237 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15498085 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/498085
Cutting assembly for a chopper pump Apr 25, 2017 Issued
Array ( [id] => 14552483 [patent_doc_number] => 10344690 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-09 [patent_title] => Exhaust system and methods for efficient exhaust heat recovery [patent_app_type] => utility [patent_app_number] => 15/497099 [patent_app_country] => US [patent_app_date] => 2017-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 9675 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15497099 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/497099
Exhaust system and methods for efficient exhaust heat recovery Apr 24, 2017 Issued
Array ( [id] => 15356605 [patent_doc_number] => 10526908 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-07 [patent_title] => Abradable layer with glass microballoons [patent_app_type] => utility [patent_app_number] => 15/496839 [patent_app_country] => US [patent_app_date] => 2017-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4441 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15496839 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/496839
Abradable layer with glass microballoons Apr 24, 2017 Issued
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