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] => 17906144 [patent_doc_number] => 11459992 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-10-04 [patent_title] => Delay circuit for providing natural gas to an engine and systems, assemblies, and methods thereof [patent_app_type] => utility [patent_app_number] => 17/347595 [patent_app_country] => US [patent_app_date] => 2021-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5072 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17347595 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/347595
Delay circuit for providing natural gas to an engine and systems, assemblies, and methods thereof Jun 14, 2021 Issued
Array ( [id] => 18545828 [patent_doc_number] => 11719172 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-08 [patent_title] => Control unit and method therein for controlling exhaust valves of cylinders in an internal combustion engine [patent_app_type] => utility [patent_app_number] => 17/343478 [patent_app_country] => US [patent_app_date] => 2021-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 8022 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 346 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17343478 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/343478
Control unit and method therein for controlling exhaust valves of cylinders in an internal combustion engine Jun 8, 2021 Issued
Array ( [id] => 17860373 [patent_doc_number] => 11441525 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-13 [patent_title] => Port injection engine [patent_app_type] => utility [patent_app_number] => 17/325195 [patent_app_country] => US [patent_app_date] => 2021-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4443 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17325195 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/325195
Port injection engine May 18, 2021 Issued
Array ( [id] => 18429264 [patent_doc_number] => 11674477 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-13 [patent_title] => Leak hole determination device of evaporated fuel processing device [patent_app_type] => utility [patent_app_number] => 17/323340 [patent_app_country] => US [patent_app_date] => 2021-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 21 [patent_no_of_words] => 21349 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17323340 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/323340
Leak hole determination device of evaporated fuel processing device May 17, 2021 Issued
Array ( [id] => 18005764 [patent_doc_number] => 20220364530 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => METHOD AND SYSTEM FOR DETERMINING VAPOR STORAGE CANISTER RESTRICTION [patent_app_type] => utility [patent_app_number] => 17/302755 [patent_app_country] => US [patent_app_date] => 2021-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10285 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17302755 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/302755
Method and system for determining vapor storage canister restriction May 10, 2021 Issued
Array ( [id] => 17142445 [patent_doc_number] => 20210310457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => Combustion Environment Diagnostics [patent_app_type] => utility [patent_app_number] => 17/237211 [patent_app_country] => US [patent_app_date] => 2021-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10859 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17237211 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/237211
Combustion environment diagnostics Apr 21, 2021 Issued
Array ( [id] => 17845478 [patent_doc_number] => 11434837 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-06 [patent_title] => Engine device [patent_app_type] => utility [patent_app_number] => 17/225106 [patent_app_country] => US [patent_app_date] => 2021-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 14155 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 333 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17225106 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/225106
Engine device Apr 7, 2021 Issued
Array ( [id] => 17845476 [patent_doc_number] => 11434835 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-06 [patent_title] => Valve timing controller [patent_app_type] => utility [patent_app_number] => 17/206402 [patent_app_country] => US [patent_app_date] => 2021-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7938 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17206402 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/206402
Valve timing controller Mar 18, 2021 Issued
Array ( [id] => 18429265 [patent_doc_number] => 11674478 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-13 [patent_title] => Air intake amount measurement device and engine [patent_app_type] => utility [patent_app_number] => 17/786518 [patent_app_country] => US [patent_app_date] => 2021-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 15 [patent_no_of_words] => 14173 [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] => 17786518 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/786518
Air intake amount measurement device and engine Mar 8, 2021 Issued
Array ( [id] => 18748100 [patent_doc_number] => 11807394 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-11-07 [patent_title] => On-ground helicopter engine starter interrupt system that prevents engine start up when either the throttle is open or the fuel control is engaged (or both) for reciprocating and turbine helicopters [patent_app_type] => utility [patent_app_number] => 17/143040 [patent_app_country] => US [patent_app_date] => 2021-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 64 [patent_no_of_words] => 17056 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 315 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17143040 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/143040
On-ground helicopter engine starter interrupt system that prevents engine start up when either the throttle is open or the fuel control is engaged (or both) for reciprocating and turbine helicopters Jan 5, 2021 Issued
Array ( [id] => 16728482 [patent_doc_number] => 20210095629 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-01 [patent_title] => APPARATUS AND METHOD FOR RETROFIT ENGINE START/STOP AND IDLE CONTROL [patent_app_type] => utility [patent_app_number] => 17/106006 [patent_app_country] => US [patent_app_date] => 2020-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12943 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17106006 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/106006
Apparatus and method for retrofit engine start/stop and idle control Nov 26, 2020 Issued
Array ( [id] => 16622276 [patent_doc_number] => 20210040929 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-11 [patent_title] => MULTIPLE-CHOICE PIGGYBACK IGNITION BOOSTER CIRCUIT FOR INTERNAL COMBUSTION ENGINES AND OTHER MOTORS [patent_app_type] => utility [patent_app_number] => 16/949334 [patent_app_country] => US [patent_app_date] => 2020-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2606 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16949334 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/949334
Multiple-choice piggyback ignition booster circuit for internal combustion engines and other motors Oct 25, 2020 Issued
Array ( [id] => 17315384 [patent_doc_number] => 20210404432 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-30 [patent_title] => ENGINE STARTING DEVICE [patent_app_type] => utility [patent_app_number] => 17/026511 [patent_app_country] => US [patent_app_date] => 2020-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5180 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17026511 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/026511
Engine starting device Sep 20, 2020 Issued
Array ( [id] => 17483061 [patent_doc_number] => 20220090565 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-24 [patent_title] => PORT-BASED EVAPORATIVE EMISSIONS CAPTURE [patent_app_type] => utility [patent_app_number] => 17/027246 [patent_app_country] => US [patent_app_date] => 2020-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12513 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17027246 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/027246
Port-based evaporative emissions capture Sep 20, 2020 Issued
Array ( [id] => 17378708 [patent_doc_number] => 11236711 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-01 [patent_title] => Bluff body combustion system for an internal combustion engine [patent_app_type] => utility [patent_app_number] => 17/019339 [patent_app_country] => US [patent_app_date] => 2020-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 21 [patent_no_of_words] => 4680 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17019339 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/019339
Bluff body combustion system for an internal combustion engine Sep 12, 2020 Issued
Array ( [id] => 16793580 [patent_doc_number] => 20210123397 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => ENGINE UNIT [patent_app_type] => utility [patent_app_number] => 17/009784 [patent_app_country] => US [patent_app_date] => 2020-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4031 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17009784 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/009784
ENGINE UNIT Sep 1, 2020 Abandoned
Array ( [id] => 18560374 [patent_doc_number] => 11725610 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Method and device for operating a fuel evaporation retention system of an internal combustion engine [patent_app_type] => utility [patent_app_number] => 17/629064 [patent_app_country] => US [patent_app_date] => 2020-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2989 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17629064 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/629064
Method and device for operating a fuel evaporation retention system of an internal combustion engine Jul 21, 2020 Issued
Array ( [id] => 16399564 [patent_doc_number] => 20200340422 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-29 [patent_title] => INTERNAL COMBUSTION ENGINE CONTROL DEVICE [patent_app_type] => utility [patent_app_number] => 16/928141 [patent_app_country] => US [patent_app_date] => 2020-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5117 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16928141 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/928141
Internal combustion engine control device Jul 13, 2020 Issued
Array ( [id] => 17336866 [patent_doc_number] => 20220003197 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => METHOD AND SYSTEM FOR EXPANSION COMBUSTION DURING AN ENGINE START [patent_app_type] => utility [patent_app_number] => 16/919412 [patent_app_country] => US [patent_app_date] => 2020-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14421 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16919412 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/919412
Method and system for expansion combustion during an engine start Jul 1, 2020 Issued
Array ( [id] => 17650231 [patent_doc_number] => 11352947 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-07 [patent_title] => Energy storage and conversion in linear generators [patent_app_type] => utility [patent_app_number] => 16/920172 [patent_app_country] => US [patent_app_date] => 2020-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 16 [patent_no_of_words] => 15688 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16920172 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/920172
Energy storage and conversion in linear generators Jul 1, 2020 Issued
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