Search

Dhirubhai R. Patel

Examiner (ID: 8410, Phone: (571)272-1983 , Office: P/2848 )

Most Active Art Unit
2831
Art Unit(s)
2831, 2835, 2109, 2848
Total Applications
2537
Issued Applications
2236
Pending Applications
45
Abandoned Applications
262

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 14931541 [patent_doc_number] => 20190301408 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-03 [patent_title] => COMBUSTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 15/942668 [patent_app_country] => US [patent_app_date] => 2018-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4648 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 15942668 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/942668
COMBUSTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE Apr 1, 2018 Abandoned
Array ( [id] => 12840250 [patent_doc_number] => 20180171923 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-21 [patent_title] => OPERATING METHOD FOR OPERATING A FUEL INJECTION SYSTEM AND FUEL INJECTION SYSTEM [patent_app_type] => utility [patent_app_number] => 15/898632 [patent_app_country] => US [patent_app_date] => 2018-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7571 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15898632 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/898632
Operating method for operating a fuel injection system and fuel injection system Feb 17, 2018 Issued
Array ( [id] => 13373501 [patent_doc_number] => 20180238292 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-23 [patent_title] => Ignition device for internal combustion engine [patent_app_type] => utility [patent_app_number] => 15/932269 [patent_app_country] => US [patent_app_date] => 2018-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7437 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15932269 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/932269
Ignition device for internal combustion engine Feb 15, 2018 Abandoned
Array ( [id] => 13358837 [patent_doc_number] => 20180230958 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-16 [patent_title] => SYSTEM AND METHOD FOR REPOSITIONING A HEAT ENGINE ROTOR [patent_app_type] => utility [patent_app_number] => 15/895331 [patent_app_country] => US [patent_app_date] => 2018-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3226 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15895331 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/895331
SYSTEM AND METHOD FOR REPOSITIONING A HEAT ENGINE ROTOR Feb 12, 2018 Abandoned
Array ( [id] => 15786191 [patent_doc_number] => 10626810 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-21 [patent_title] => Control apparatus and control method for diesel engine [patent_app_type] => utility [patent_app_number] => 15/825811 [patent_app_country] => US [patent_app_date] => 2017-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 23 [patent_no_of_words] => 10589 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15825811 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/825811
Control apparatus and control method for diesel engine Nov 28, 2017 Issued
Array ( [id] => 15851927 [patent_doc_number] => 10641234 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-05 [patent_title] => Method for engine laser ignition system [patent_app_type] => utility [patent_app_number] => 15/822525 [patent_app_country] => US [patent_app_date] => 2017-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 14785 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15822525 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/822525
Method for engine laser ignition system Nov 26, 2017 Issued
Array ( [id] => 16909419 [patent_doc_number] => 11041451 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-22 [patent_title] => Internal combustion engine control method and internal combustion engine control device [patent_app_type] => utility [patent_app_number] => 16/765957 [patent_app_country] => US [patent_app_date] => 2017-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7566 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16765957 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/765957
Internal combustion engine control method and internal combustion engine control device Nov 21, 2017 Issued
Array ( [id] => 12815455 [patent_doc_number] => 20180163655 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-14 [patent_title] => METHOD OF IMPROVING ENGINE STARTABILITY USING HARDWARE WAKE-UP PERIOD CONTROL AND VEHICLE USING THE SAME [patent_app_type] => utility [patent_app_number] => 15/724021 [patent_app_country] => US [patent_app_date] => 2017-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6926 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 15724021 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/724021
Method of improving engine startability using hardware wake-up period control and vehicle using the same Oct 2, 2017 Issued
Array ( [id] => 16043931 [patent_doc_number] => 10683830 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-16 [patent_title] => Fuel vapor treatment system [patent_app_type] => utility [patent_app_number] => 15/718779 [patent_app_country] => US [patent_app_date] => 2017-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 17444 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15718779 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/718779
Fuel vapor treatment system Sep 27, 2017 Issued
Array ( [id] => 14103699 [patent_doc_number] => 20190093525 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-28 [patent_title] => VARIABLE DISPLACEMENT ENGINE INCLUDING DIFFERENT CAM LOBE PROFILES [patent_app_type] => utility [patent_app_number] => 15/717850 [patent_app_country] => US [patent_app_date] => 2017-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20767 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15717850 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/717850
Variable displacement engine including different cam lobe profiles Sep 26, 2017 Issued
Array ( [id] => 12731116 [patent_doc_number] => 20180135539 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-17 [patent_title] => CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 15/715757 [patent_app_country] => US [patent_app_date] => 2017-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17581 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [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] => 15715757 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/715757
Control system for internal combustion engine Sep 25, 2017 Issued
Array ( [id] => 15851923 [patent_doc_number] => 10641232 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-05 [patent_title] => Ignition coil dwell control [patent_app_type] => utility [patent_app_number] => 15/715060 [patent_app_country] => US [patent_app_date] => 2017-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 11254 [patent_no_of_claims] => 19 [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] => 15715060 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/715060
Ignition coil dwell control Sep 24, 2017 Issued
Array ( [id] => 15979329 [patent_doc_number] => 10669980 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-02 [patent_title] => Method, apparatus, and system for launching engine start-stop function in vehicles [patent_app_type] => utility [patent_app_number] => 15/711682 [patent_app_country] => US [patent_app_date] => 2017-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 9775 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15711682 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/711682
Method, apparatus, and system for launching engine start-stop function in vehicles Sep 20, 2017 Issued
Array ( [id] => 14073835 [patent_doc_number] => 20190085805 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-21 [patent_title] => THREE STAGE PROPORTIONAL CONTROL VALVE [patent_app_type] => utility [patent_app_number] => 15/709758 [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] => 3132 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 344 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15709758 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/709758
Three stage proportional control valve Sep 19, 2017 Issued
Array ( [id] => 14423973 [patent_doc_number] => 10316782 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-06-11 [patent_title] => Pressure reducing valve control apparatus [patent_app_type] => utility [patent_app_number] => 15/708433 [patent_app_country] => US [patent_app_date] => 2017-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 9574 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [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] => 15708433 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/708433
Pressure reducing valve control apparatus Sep 18, 2017 Issued
Array ( [id] => 13266467 [patent_doc_number] => 10145311 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-12-04 [patent_title] => Fault tolerant throttle body [patent_app_type] => utility [patent_app_number] => 15/704263 [patent_app_country] => US [patent_app_date] => 2017-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2838 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15704263 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/704263
Fault tolerant throttle body Sep 13, 2017 Issued
Array ( [id] => 13805703 [patent_doc_number] => 10180113 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-01-15 [patent_title] => Control system for internal combustion engine [patent_app_type] => utility [patent_app_number] => 15/697583 [patent_app_country] => US [patent_app_date] => 2017-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 21 [patent_no_of_words] => 10502 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 279 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15697583 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/697583
Control system for internal combustion engine Sep 6, 2017 Issued
Array ( [id] => 17975022 [patent_doc_number] => 11491865 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-08 [patent_title] => Method for controlling the internal pressure of a service fluid container, and service fluid container system with an internal pressure controller [patent_app_type] => utility [patent_app_number] => 16/330763 [patent_app_country] => US [patent_app_date] => 2017-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 9554 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 337 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16330763 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/330763
Method for controlling the internal pressure of a service fluid container, and service fluid container system with an internal pressure controller Sep 4, 2017 Issued
Array ( [id] => 13509237 [patent_doc_number] => 20180306161 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-25 [patent_title] => HIGH FREQUENCY IGNITION DEVICE [patent_app_type] => utility [patent_app_number] => 15/691989 [patent_app_country] => US [patent_app_date] => 2017-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4075 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15691989 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/691989
High frequency ignition device Aug 30, 2017 Issued
Array ( [id] => 16800788 [patent_doc_number] => 10995719 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-04 [patent_title] => Injector arrangement for diesel engines using slurry or emulsion fuels [patent_app_type] => utility [patent_app_number] => 16/328877 [patent_app_country] => US [patent_app_date] => 2017-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 12049 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16328877 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/328877
Injector arrangement for diesel engines using slurry or emulsion fuels Aug 28, 2017 Issued
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