Search

Umar Cheema

Supervisory Patent Examiner (ID: 2729, Phone: (571)270-3037 , Office: P/2454 )

Most Active Art Unit
2444
Art Unit(s)
2454, 2456, 2458, 2444, 2144
Total Applications
274
Issued Applications
165
Pending Applications
18
Abandoned Applications
94

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17945982 [patent_doc_number] => 20220332999 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-20 [patent_title] => COMPOSITION AND HEAT TRANSPORT DEVICE [patent_app_type] => utility [patent_app_number] => 17/728803 [patent_app_country] => US [patent_app_date] => 2022-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8364 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17728803 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/728803
Composition and heat transport device Apr 24, 2022 Issued
Array ( [id] => 17760803 [patent_doc_number] => 20220234415 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => AIR-CONDITIONING UNIT [patent_app_type] => utility [patent_app_number] => 17/722609 [patent_app_country] => US [patent_app_date] => 2022-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8380 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17722609 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/722609
AIR-CONDITIONING UNIT Apr 17, 2022 Abandoned
Array ( [id] => 18019904 [patent_doc_number] => 20220371403 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => IN-VEHICLE TEMPERATURE CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 17/720308 [patent_app_country] => US [patent_app_date] => 2022-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13968 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 483 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17720308 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/720308
In-vehicle temperature control system Apr 13, 2022 Issued
Array ( [id] => 20220648 [patent_doc_number] => 20250283579 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => DEVICE FOR STORING AND SUPPLYING CRYOGENIC FLUID, IN PARTICULAR LIQUEFIED HYDROGEN [patent_app_type] => utility [patent_app_number] => 18/289761 [patent_app_country] => US [patent_app_date] => 2022-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18289761 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/289761
DEVICE FOR STORING AND SUPPLYING CRYOGENIC FLUID, IN PARTICULAR LIQUEFIED HYDROGEN Mar 30, 2022 Pending
Array ( [id] => 18676434 [patent_doc_number] => 20230314060 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => DE-ICING COATING FOR EVAPORATOR [patent_app_type] => utility [patent_app_number] => 17/710279 [patent_app_country] => US [patent_app_date] => 2022-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4262 [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] => 17710279 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/710279
DE-ICING COATING FOR EVAPORATOR Mar 30, 2022 Abandoned
Array ( [id] => 17930840 [patent_doc_number] => 20220325965 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => MASS TRANSFER DEVICE CLEANING SYSTEM AND SPACER [patent_app_type] => utility [patent_app_number] => 17/696199 [patent_app_country] => US [patent_app_date] => 2022-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8238 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17696199 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/696199
MASS TRANSFER DEVICE CLEANING SYSTEM AND SPACER Mar 15, 2022 Abandoned
Array ( [id] => 20702163 [patent_doc_number] => 12624866 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [patent_title] => Energy efficient pulsing thermoelectric system [patent_app_type] => utility [patent_app_number] => 18/274704 [patent_app_country] => US [patent_app_date] => 2022-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3070 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18274704 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/274704
Energy efficient pulsing thermoelectric system Mar 2, 2022 Issued
Array ( [id] => 20702163 [patent_doc_number] => 12624866 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [patent_title] => Energy efficient pulsing thermoelectric system [patent_app_type] => utility [patent_app_number] => 18/274704 [patent_app_country] => US [patent_app_date] => 2022-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3070 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18274704 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/274704
Energy efficient pulsing thermoelectric system Mar 2, 2022 Issued
Array ( [id] => 17829352 [patent_doc_number] => 20220266656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => VEHICLE HEAT EXCHANGE SYSTEM [patent_app_type] => utility [patent_app_number] => 17/683657 [patent_app_country] => US [patent_app_date] => 2022-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12979 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 421 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17683657 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/683657
Vehicle heat exchange system Feb 28, 2022 Issued
Array ( [id] => 19113815 [patent_doc_number] => 20240125565 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => A moisture permeable film for a total heat exchange element and a total heat exchange element [patent_app_type] => utility [patent_app_number] => 18/276927 [patent_app_country] => US [patent_app_date] => 2022-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6508 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18276927 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/276927
A moisture permeable film for a total heat exchange element and a total heat exchange element Feb 27, 2022 Pending
Array ( [id] => 17645275 [patent_doc_number] => 20220173014 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => LIQUID COOLING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/675386 [patent_app_country] => US [patent_app_date] => 2022-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4370 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17675386 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/675386
LIQUID COOLING SYSTEM Feb 17, 2022 Abandoned
Array ( [id] => 18896235 [patent_doc_number] => 20240011720 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => SYSTEM FOR THERMOCHEMICAL STORAGE WITH IMPROVED DEHYDRATION [patent_app_type] => utility [patent_app_number] => 18/276625 [patent_app_country] => US [patent_app_date] => 2022-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3915 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18276625 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/276625
SYSTEM FOR THERMOCHEMICAL STORAGE WITH IMPROVED DEHYDRATION Feb 7, 2022 Pending
Array ( [id] => 17793267 [patent_doc_number] => 20220252358 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => HORIZONTAL NOZZLE HEAT AND MASS EXCHANGER [patent_app_type] => utility [patent_app_number] => 17/650102 [patent_app_country] => US [patent_app_date] => 2022-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4345 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17650102 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/650102
HORIZONTAL NOZZLE HEAT AND MASS EXCHANGER Feb 6, 2022 Abandoned
Array ( [id] => 19113818 [patent_doc_number] => 20240125568 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => A PROCESS AND SYSTEM FOR AUTOMATED ONLINE FOULING PREVENTION OF VERTICAL SHELL AND TUBE GAS-TO-GAS HEAT EXCHANGERS [patent_app_type] => utility [patent_app_number] => 18/275689 [patent_app_country] => US [patent_app_date] => 2022-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10145 [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] => 18275689 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/275689
A PROCESS AND SYSTEM FOR AUTOMATED ONLINE FOULING PREVENTION OF VERTICAL SHELL AND TUBE GAS-TO-GAS HEAT EXCHANGERS Feb 6, 2022 Pending
Array ( [id] => 18523762 [patent_doc_number] => 20230234418 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => ROUTE OPTIMIZED THERMAL MANAGEMENT [patent_app_type] => utility [patent_app_number] => 17/648978 [patent_app_country] => US [patent_app_date] => 2022-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4951 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17648978 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/648978
ROUTE OPTIMIZED THERMAL MANAGEMENT Jan 25, 2022 Abandoned
Array ( [id] => 17808480 [patent_doc_number] => 20220260315 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 17/583519 [patent_app_country] => US [patent_app_date] => 2022-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5528 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17583519 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/583519
HEAT EXCHANGER Jan 24, 2022 Abandoned
Array ( [id] => 17831153 [patent_doc_number] => 20220268457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => ENERGY RECOVERY WHEEL ARRAY [patent_app_type] => utility [patent_app_number] => 17/582215 [patent_app_country] => US [patent_app_date] => 2022-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4253 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17582215 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/582215
ENERGY RECOVERY WHEEL ARRAY Jan 23, 2022 Abandoned
Array ( [id] => 17762338 [patent_doc_number] => 20220235950 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => ENERGY RECOVERY WHEEL ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/582198 [patent_app_country] => US [patent_app_date] => 2022-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4105 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17582198 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/582198
ENERGY RECOVERY WHEEL ASSEMBLY Jan 23, 2022 Abandoned
Array ( [id] => 18524067 [patent_doc_number] => 20230234724 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => SATELLITE WITH MODULAR RADIATOR PANELS [patent_app_type] => utility [patent_app_number] => 17/580966 [patent_app_country] => US [patent_app_date] => 2022-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10881 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17580966 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/580966
Satellite with modular radiator panels Jan 20, 2022 Issued
Array ( [id] => 17549164 [patent_doc_number] => 20220120505 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => HEAT EXCHANGER AND MANUFACTURING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/566228 [patent_app_country] => US [patent_app_date] => 2021-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6956 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17566228 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/566228
HEAT EXCHANGER AND MANUFACTURING METHOD THEREOF Dec 29, 2021 Abandoned
Menu