Search

Ahsif A. Sheikh

Examiner (ID: 10544)

Most Active Art Unit
2123
Art Unit(s)
2123, 2127
Total Applications
58
Issued Applications
32
Pending Applications
0
Abandoned Applications
26

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18188056 [patent_doc_number] => 11578628 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-14 [patent_title] => Method and system to selectively recover water vapor and latent heat from exhaust gas streams [patent_app_type] => utility [patent_app_number] => 17/504680 [patent_app_country] => US [patent_app_date] => 2021-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3537 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17504680 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/504680
Method and system to selectively recover water vapor and latent heat from exhaust gas streams Oct 18, 2021 Issued
Array ( [id] => 17386395 [patent_doc_number] => 20220034247 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => EXHAUST GAS TREATMENT SYSTEM AND METHOD WITH FOUR-WAY CATALYZED FILTER ELEMENT [patent_app_type] => utility [patent_app_number] => 17/503101 [patent_app_country] => US [patent_app_date] => 2021-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5984 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17503101 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/503101
Exhaust gas treatment system and method with four-way catalyzed filter element Oct 14, 2021 Issued
Array ( [id] => 17386399 [patent_doc_number] => 20220034251 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 17/450896 [patent_app_country] => US [patent_app_date] => 2021-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26887 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17450896 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/450896
CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE Oct 13, 2021 Abandoned
Array ( [id] => 17386400 [patent_doc_number] => 20220034252 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 17/450903 [patent_app_country] => US [patent_app_date] => 2021-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26887 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17450903 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/450903
CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE Oct 13, 2021 Abandoned
Array ( [id] => 17728292 [patent_doc_number] => 11384672 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-12 [patent_title] => Secondary air introduction device [patent_app_type] => utility [patent_app_number] => 17/467782 [patent_app_country] => US [patent_app_date] => 2021-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 6934 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17467782 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/467782
Secondary air introduction device Sep 6, 2021 Issued
Array ( [id] => 17244176 [patent_doc_number] => 20210363919 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-25 [patent_title] => EXPANSION INSTALLATION AND INSTALLATION FOR OBTAINING ELECTRICAL ENERGY FROM HEAT [patent_app_type] => utility [patent_app_number] => 17/392476 [patent_app_country] => US [patent_app_date] => 2021-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10211 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -37 [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] => 17392476 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/392476
EXPANSION INSTALLATION AND INSTALLATION FOR OBTAINING ELECTRICAL ENERGY FROM HEAT Aug 2, 2021 Pending
Array ( [id] => 17923564 [patent_doc_number] => 11466804 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-10-11 [patent_title] => Vehicle exhaust evacuation system [patent_app_type] => utility [patent_app_number] => 17/391501 [patent_app_country] => US [patent_app_date] => 2021-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 5417 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17391501 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/391501
Vehicle exhaust evacuation system Aug 1, 2021 Issued
Array ( [id] => 17400351 [patent_doc_number] => 20220042441 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-10 [patent_title] => EXHAUST DEVICE [patent_app_type] => utility [patent_app_number] => 17/388899 [patent_app_country] => US [patent_app_date] => 2021-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5179 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17388899 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/388899
Exhaust device Jul 28, 2021 Issued
Array ( [id] => 17860347 [patent_doc_number] => 11441499 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-09-13 [patent_title] => Methods and systems for controlling imbalance with an exhaust tuning valve [patent_app_type] => utility [patent_app_number] => 17/443223 [patent_app_country] => US [patent_app_date] => 2021-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 10324 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17443223 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/443223
Methods and systems for controlling imbalance with an exhaust tuning valve Jul 21, 2021 Issued
Array ( [id] => 17357476 [patent_doc_number] => 20220018272 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-20 [patent_title] => MUFFLER OF AN EXHAUST SYSTEM [patent_app_type] => utility [patent_app_number] => 17/373031 [patent_app_country] => US [patent_app_date] => 2021-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2548 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17373031 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/373031
MUFFLER OF AN EXHAUST SYSTEM Jul 11, 2021 Abandoned
Array ( [id] => 17785206 [patent_doc_number] => 11408321 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-09 [patent_title] => Reductant injection in exhaust manifold [patent_app_type] => utility [patent_app_number] => 17/361773 [patent_app_country] => US [patent_app_date] => 2021-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7108 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17361773 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/361773
Reductant injection in exhaust manifold Jun 28, 2021 Issued
Array ( [id] => 17315311 [patent_doc_number] => 20210404359 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-30 [patent_title] => SYSTEM FOR A COMBINED SPARK ARRESTOR AND MUFFLER ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/360932 [patent_app_country] => US [patent_app_date] => 2021-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8963 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17360932 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/360932
System for a combined spark arrestor and muffler assembly Jun 27, 2021 Issued
Array ( [id] => 18526714 [patent_doc_number] => 11713703 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-01 [patent_title] => Method of manufacturing electrically heated catalyst device, metal thin plate for electrode of electrically heated catalyst device, and electrically heated catalyst device [patent_app_type] => utility [patent_app_number] => 17/335083 [patent_app_country] => US [patent_app_date] => 2021-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7930 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17335083 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/335083
Method of manufacturing electrically heated catalyst device, metal thin plate for electrode of electrically heated catalyst device, and electrically heated catalyst device May 31, 2021 Issued
Array ( [id] => 17067962 [patent_doc_number] => 20210270177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => METHOD, ENGINE, AND CONTROL SYSTEM FOR CONTROLLING SOOT LOADING OF EXHAUST GAS AFTERTREATMENT COMPONENTS [patent_app_type] => utility [patent_app_number] => 17/321853 [patent_app_country] => US [patent_app_date] => 2021-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6905 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17321853 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/321853
Method, engine, and control system for controlling soot loading of exhaust gas aftertreatment components May 16, 2021 Issued
Array ( [id] => 18748884 [patent_doc_number] => 11808186 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-07 [patent_title] => Surface component for vehicle exhaust system [patent_app_type] => utility [patent_app_number] => 17/318489 [patent_app_country] => US [patent_app_date] => 2021-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 7758 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17318489 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/318489
Surface component for vehicle exhaust system May 11, 2021 Issued
Array ( [id] => 17990786 [patent_doc_number] => 20220356823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => AFTER-MARKET REPLACEMENT KIT TO TEMPORARILY BYPASS A VEHICLE'S MUFFLER SILENCER RESONATORS TO IMPROVE EXHAUST SOUND, PERFORMANCE, FUEL ECONOMY AND OTHER CHARACTERISTICS [patent_app_type] => utility [patent_app_number] => 17/308727 [patent_app_country] => US [patent_app_date] => 2021-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2406 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17308727 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/308727
After-market replacement kit to temporarily bypass a vehicle's muffler silencer resonators to improve exhaust sound, performance, fuel economy and other characteristics May 4, 2021 Issued
Array ( [id] => 17960772 [patent_doc_number] => 20220341352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-27 [patent_title] => EXHAUST COMPONENT WITH FLEXIBLE MEMBRANE [patent_app_type] => utility [patent_app_number] => 17/236037 [patent_app_country] => US [patent_app_date] => 2021-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3027 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17236037 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/236037
EXHAUST COMPONENT WITH FLEXIBLE MEMBRANE Apr 20, 2021 Abandoned
Array ( [id] => 18013811 [patent_doc_number] => 11506096 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-22 [patent_title] => Exhaust system for an internal combustion engine [patent_app_type] => utility [patent_app_number] => 17/223041 [patent_app_country] => US [patent_app_date] => 2021-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 3917 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17223041 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/223041
Exhaust system for an internal combustion engine Apr 5, 2021 Issued
Array ( [id] => 17968765 [patent_doc_number] => 11486283 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-01 [patent_title] => Dual function exhaust system attachment [patent_app_type] => utility [patent_app_number] => 17/218524 [patent_app_country] => US [patent_app_date] => 2021-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5201 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17218524 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/218524
Dual function exhaust system attachment Mar 30, 2021 Issued
Array ( [id] => 17126932 [patent_doc_number] => 20210301701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-30 [patent_title] => HEATING ELEMENT FOR AN EXHAUST GAS PURIFICATION DEVICE [patent_app_type] => utility [patent_app_number] => 17/215029 [patent_app_country] => US [patent_app_date] => 2021-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4730 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17215029 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/215029
Heating element for an exhaust gas purification device Mar 28, 2021 Issued
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