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] => 19786490 [patent_doc_number] => 20250060169 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => Refrigerant Cycling Air Cooling Assembly [patent_app_type] => utility [patent_app_number] => 18/931832 [patent_app_country] => US [patent_app_date] => 2024-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3385 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18931832 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/931832
Refrigerant cycling air cooling assembly Oct 29, 2024 Issued
Array ( [id] => 19710240 [patent_doc_number] => 20250020382 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => REFRIGERATOR [patent_app_type] => utility [patent_app_number] => 18/896314 [patent_app_country] => US [patent_app_date] => 2024-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 48738 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18896314 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/896314
REFRIGERATOR Sep 24, 2024 Pending
Array ( [id] => 20566554 [patent_doc_number] => 20260060471 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-05 [patent_title] => MULTI-BOTTLE THERMAL MODULATION ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/818043 [patent_app_country] => US [patent_app_date] => 2024-08-28 [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] => -15 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18818043 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/818043
MULTI-BOTTLE THERMAL MODULATION ASSEMBLY Aug 27, 2024 Pending
Array ( [id] => 20034245 [patent_doc_number] => 20250172467 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => ULTRA-CRYOGENIC CHAMBER FOR IMPACT TESTING [patent_app_type] => utility [patent_app_number] => 18/816928 [patent_app_country] => US [patent_app_date] => 2024-08-27 [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] => -17 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18816928 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/816928
ULTRA-CRYOGENIC CHAMBER FOR IMPACT TESTING Aug 26, 2024 Pending
Array ( [id] => 19630936 [patent_doc_number] => 20240409385 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => LIQUID CRYOGEN DELIVERY AND INJECTION CONTROL APPARATUS [patent_app_type] => utility [patent_app_number] => 18/810800 [patent_app_country] => US [patent_app_date] => 2024-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5750 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18810800 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/810800
LIQUID CRYOGEN DELIVERY AND INJECTION CONTROL APPARATUS Aug 20, 2024 Pending
Array ( [id] => 19786479 [patent_doc_number] => 20250060158 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => NITROGEN GENERATING DEVICE AND NITROGEN GENERATING METHOD [patent_app_type] => utility [patent_app_number] => 18/804593 [patent_app_country] => US [patent_app_date] => 2024-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9938 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18804593 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/804593
NITROGEN GENERATING DEVICE AND NITROGEN GENERATING METHOD Aug 13, 2024 Pending
Array ( [id] => 20256908 [patent_doc_number] => 12429254 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Absorption chiller system with a transport membrane heat exchanger [patent_app_type] => utility [patent_app_number] => 18/797065 [patent_app_country] => US [patent_app_date] => 2024-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 2346 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 314 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18797065 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/797065
Absorption chiller system with a transport membrane heat exchanger Aug 6, 2024 Issued
Array ( [id] => 20519502 [patent_doc_number] => 20260043606 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-12 [patent_title] => DYNAMIC CONTROL OF REFLUX RATE IN HYDROCARBON DISTILLATION [patent_app_type] => utility [patent_app_number] => 18/795361 [patent_app_country] => US [patent_app_date] => 2024-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9921 [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] => 18795361 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/795361
DYNAMIC CONTROL OF REFLUX RATE IN HYDROCARBON DISTILLATION Aug 5, 2024 Pending
Array ( [id] => 19602138 [patent_doc_number] => 20240393018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => COOLING SYSTEM FOR PROCESSING CHAMBER [patent_app_type] => utility [patent_app_number] => 18/789469 [patent_app_country] => US [patent_app_date] => 2024-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5048 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18789469 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/789469
COOLING SYSTEM FOR PROCESSING CHAMBER Jul 29, 2024 Pending
Array ( [id] => 20499517 [patent_doc_number] => 20260028975 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-29 [patent_title] => PROTECTIVE COATINGS FOR CRYOGENIC PUMP COMPONENTS IN PROCESS CHAMBERS [patent_app_type] => utility [patent_app_number] => 18/787431 [patent_app_country] => US [patent_app_date] => 2024-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5825 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18787431 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/787431
PROTECTIVE COATINGS FOR CRYOGENIC PUMP COMPONENTS IN PROCESS CHAMBERS Jul 28, 2024 Pending
Array ( [id] => 20485711 [patent_doc_number] => 20260021909 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-22 [patent_title] => SPACECRAFT PROPELLANT TANK AND ITS APPLICATION METHOD [patent_app_type] => utility [patent_app_number] => 18/778459 [patent_app_country] => US [patent_app_date] => 2024-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1160 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18778459 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/778459
SPACECRAFT PROPELLANT TANK AND ITS APPLICATION METHOD Jul 18, 2024 Pending
Array ( [id] => 19716831 [patent_doc_number] => 12202352 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-21 [patent_title] => Cryostat device for superconducting magnetic levitation train and operation method thereof [patent_app_type] => utility [patent_app_number] => 18/768309 [patent_app_country] => US [patent_app_date] => 2024-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4095 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 353 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18768309 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/768309
Cryostat device for superconducting magnetic levitation train and operation method thereof Jul 9, 2024 Issued
Array ( [id] => 19685131 [patent_doc_number] => 20250003676 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => INSTALLATION AND METHOD FOR LIQUEFYING A CRYOGENIC FLUID [patent_app_type] => utility [patent_app_number] => 18/757980 [patent_app_country] => US [patent_app_date] => 2024-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2258 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 18757980 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/757980
INSTALLATION AND METHOD FOR LIQUEFYING A CRYOGENIC FLUID Jun 27, 2024 Pending
Array ( [id] => 19616061 [patent_doc_number] => 20240401741 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => MOBILE LNG STORAGE AND REGASIFICATION UNIT (MSRU) [patent_app_type] => utility [patent_app_number] => 18/734355 [patent_app_country] => US [patent_app_date] => 2024-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3376 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18734355 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/734355
MOBILE LNG STORAGE AND REGASIFICATION UNIT (MSRU) Jun 4, 2024 Pending
Array ( [id] => 19587349 [patent_doc_number] => 20240384906 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => CRYOCOOLER AND METHOD FOR OPERATING CRYOCOOLER [patent_app_type] => utility [patent_app_number] => 18/650056 [patent_app_country] => US [patent_app_date] => 2024-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8808 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 18650056 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/650056
CRYOCOOLER AND METHOD FOR OPERATING CRYOCOOLER Apr 28, 2024 Issued
Array ( [id] => 19282647 [patent_doc_number] => 20240219123 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => HEAT EXCHANGER AND MANUFACTURING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/607418 [patent_app_country] => US [patent_app_date] => 2024-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7094 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18607418 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/607418
Heat exchanger and manufacturing method thereof Mar 14, 2024 Issued
Array ( [id] => 19450086 [patent_doc_number] => 20240310216 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => PROTECTIVE TUBE, TEMPERATURE SENSOR DEVICE WITH A PROTECTIVE TUBE AND DOUBLE-WALLED PIPE OR CONTAINER [patent_app_type] => utility [patent_app_number] => 18/605463 [patent_app_country] => US [patent_app_date] => 2024-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12344 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18605463 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/605463
PROTECTIVE TUBE, TEMPERATURE SENSOR DEVICE WITH A PROTECTIVE TUBE AND DOUBLE-WALLED PIPE OR CONTAINER Mar 13, 2024 Pending
Array ( [id] => 19349039 [patent_doc_number] => 20240258003 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => SUPERCONDUCTING MAGNET DEVICE AND CRYOSTAT [patent_app_type] => utility [patent_app_number] => 18/604414 [patent_app_country] => US [patent_app_date] => 2024-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5357 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18604414 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/604414
SUPERCONDUCTING MAGNET DEVICE AND CRYOSTAT Mar 12, 2024 Issued
Array ( [id] => 20207883 [patent_doc_number] => 20250277603 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => DUAL-COOL CRYO-ADAPTER [patent_app_type] => utility [patent_app_number] => 18/595260 [patent_app_country] => US [patent_app_date] => 2024-03-04 [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] => -17 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18595260 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/595260
DUAL-COOL CRYO-ADAPTER Mar 3, 2024 Pending
Array ( [id] => 19465237 [patent_doc_number] => 20240318906 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => HYDROGEN LIQUEFACTION SYSTEM AND HYDROGEN LIQUEFACTION METHOD [patent_app_type] => utility [patent_app_number] => 18/590439 [patent_app_country] => US [patent_app_date] => 2024-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6662 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18590439 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/590439
HYDROGEN LIQUEFACTION SYSTEM AND HYDROGEN LIQUEFACTION METHOD Feb 27, 2024 Pending
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