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] => 13828497 [patent_doc_number] => 20190017733 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-17 [patent_title] => HEAT EXCHANGER FOR USE WITH EARTH-COUPLED AIR CONDITIONING SYSTEMS [patent_app_type] => utility [patent_app_number] => 16/136658 [patent_app_country] => US [patent_app_date] => 2018-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3445 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16136658 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/136658
HEAT EXCHANGER FOR USE WITH EARTH-COUPLED AIR CONDITIONING SYSTEMS Sep 19, 2018 Abandoned
Array ( [id] => 13735903 [patent_doc_number] => 20180372419 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => HEAT TRANSFER DEVICE [patent_app_type] => utility [patent_app_number] => 16/119707 [patent_app_country] => US [patent_app_date] => 2018-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7988 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16119707 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/119707
Heat transfer device Aug 30, 2018 Issued
Array ( [id] => 17435414 [patent_doc_number] => 11260724 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-01 [patent_title] => Vehicular air conditioning system and method for controlling the same [patent_app_type] => utility [patent_app_number] => 16/467227 [patent_app_country] => US [patent_app_date] => 2018-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5085 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 289 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16467227 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/467227
Vehicular air conditioning system and method for controlling the same Aug 12, 2018 Issued
Array ( [id] => 13735851 [patent_doc_number] => 20180372393 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => THERMAL CONTACT BETWEEN CRYOGENIC REFRIGERATORS AND COOLED COMPONENTS [patent_app_type] => utility [patent_app_number] => 16/059172 [patent_app_country] => US [patent_app_date] => 2018-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5128 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16059172 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/059172
Thermal contact between cryogenic refrigerators and cooled components Aug 8, 2018 Issued
Array ( [id] => 16438071 [patent_doc_number] => 20200355397 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-12 [patent_title] => HEAT EXCHANGER FOR A BOILER, AND HEAT-EXCHANGER TUBE [patent_app_type] => utility [patent_app_number] => 16/642201 [patent_app_country] => US [patent_app_date] => 2018-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9700 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16642201 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/642201
Heat exchanger for a boiler, and heat-exchanger tube Aug 6, 2018 Issued
Array ( [id] => 15212289 [patent_doc_number] => 20190368831 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-05 [patent_title] => HEAT DISSIPATION BAND FOR INTERCOOLER [patent_app_type] => utility [patent_app_number] => 15/996326 [patent_app_country] => US [patent_app_date] => 2018-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1760 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 15996326 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/996326
HEAT DISSIPATION BAND FOR INTERCOOLER May 31, 2018 Abandoned
Array ( [id] => 16074863 [patent_doc_number] => 20200191418 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => METHOD FOR COOLING A BUILDING, AND EVAPORATIVE COOLER APPARATUS [patent_app_type] => utility [patent_app_number] => 16/618600 [patent_app_country] => US [patent_app_date] => 2018-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6982 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 318 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16618600 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/618600
METHOD FOR COOLING A BUILDING, AND EVAPORATIVE COOLER APPARATUS May 30, 2018 Abandoned
Array ( [id] => 14241531 [patent_doc_number] => 20190132938 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-02 [patent_title] => FLOATING CORE HEAT SINK ASSEMBLY [patent_app_type] => utility [patent_app_number] => 15/986755 [patent_app_country] => US [patent_app_date] => 2018-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7416 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15986755 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/986755
FLOATING CORE HEAT SINK ASSEMBLY May 21, 2018 Abandoned
Array ( [id] => 13460829 [patent_doc_number] => 20180281957 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-04 [patent_title] => Liquid Chilled Galley Bar Unit [patent_app_type] => utility [patent_app_number] => 15/940270 [patent_app_country] => US [patent_app_date] => 2018-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3986 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15940270 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/940270
Liquid chilled galley bar unit Mar 28, 2018 Issued
Array ( [id] => 15742029 [patent_doc_number] => 20200109902 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-09 [patent_title] => HEAT EXCHANGER AND AIR CONDITIONER [patent_app_type] => utility [patent_app_number] => 16/497662 [patent_app_country] => US [patent_app_date] => 2018-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19300 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 16497662 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/497662
Heat exchanger and air conditioner Mar 26, 2018 Issued
Array ( [id] => 13464395 [patent_doc_number] => 20180283740 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-04 [patent_title] => ADVANCED MULTI-LAYER ACTIVE MAGNETIC REGENERATOR SYSTEMS AND PROCESSES FOR MAGNETOCALORIC LIQUEFACTION [patent_app_type] => utility [patent_app_number] => 15/937776 [patent_app_country] => US [patent_app_date] => 2018-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11665 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15937776 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/937776
Advanced multi-layer active magnetic regenerator systems and processes for magnetocaloric liquefaction Mar 26, 2018 Issued
Array ( [id] => 17364207 [patent_doc_number] => 11231225 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-25 [patent_title] => Active magnetic regenerative processes and systems employing hydrogen as heat transfer fluid and process gas [patent_app_type] => utility [patent_app_number] => 15/937773 [patent_app_country] => US [patent_app_date] => 2018-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 9094 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15937773 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/937773
Active magnetic regenerative processes and systems employing hydrogen as heat transfer fluid and process gas Mar 26, 2018 Issued
Array ( [id] => 14932083 [patent_doc_number] => 20190301679 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-03 [patent_title] => DRY ICE COMPRESSOR DEVICE [patent_app_type] => utility [patent_app_number] => 15/937462 [patent_app_country] => US [patent_app_date] => 2018-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4445 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15937462 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/937462
DRY ICE COMPRESSOR DEVICE Mar 26, 2018 Abandoned
Array ( [id] => 13464453 [patent_doc_number] => 20180283769 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-04 [patent_title] => CRYOSTAT ARRANGEMENT COMPRISING A NECK TUBE HAVING A SUPPORTING STRUCTURE AND AN OUTER TUBE SURROUNDING THE SUPPORTING STRUCTURE TO REDUCE THE CRYOGEN CONSUMPTION [patent_app_type] => utility [patent_app_number] => 15/935826 [patent_app_country] => US [patent_app_date] => 2018-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5548 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15935826 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/935826
CRYOSTAT ARRANGEMENT COMPRISING A NECK TUBE HAVING A SUPPORTING STRUCTURE AND AN OUTER TUBE SURROUNDING THE SUPPORTING STRUCTURE TO REDUCE THE CRYOGEN CONSUMPTION Mar 25, 2018 Abandoned
Array ( [id] => 15453003 [patent_doc_number] => 20200039325 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-06 [patent_title] => MOBILE LEISURE ACCOMMODATION VEHICLE AND A METHOD FOR VENTILATING A MOBILE LEISURE ACCOMMODATION VEHICLE [patent_app_type] => utility [patent_app_number] => 16/492440 [patent_app_country] => US [patent_app_date] => 2018-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5871 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 16492440 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/492440
Mobile leisure accommodation vehicle and a method for ventilating a mobile leisure accommodation vehicle Mar 7, 2018 Issued
Array ( [id] => 13415323 [patent_doc_number] => 20180259204 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-13 [patent_title] => REFRIGERATION MODULE AND BATHROOM MANAGEMENT APPARATUS [patent_app_type] => utility [patent_app_number] => 15/914145 [patent_app_country] => US [patent_app_date] => 2018-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10351 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15914145 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/914145
REFRIGERATION MODULE AND BATHROOM MANAGEMENT APPARATUS Mar 6, 2018 Abandoned
Array ( [id] => 14838767 [patent_doc_number] => 20190277784 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-12 [patent_title] => THERMAL INTERPOSER FOR A CRYOGENIC COOLING SYSTEM [patent_app_type] => utility [patent_app_number] => 15/915015 [patent_app_country] => US [patent_app_date] => 2018-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7536 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15915015 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/915015
Thermal interposer for a cryogenic cooling system Mar 6, 2018 Issued
Array ( [id] => 14834927 [patent_doc_number] => 20190275864 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-12 [patent_title] => APPARATUSES FOR CONTROLLING ENVIRONMENTAL CONDITIONS AND ASSOCIATED METHODS [patent_app_type] => utility [patent_app_number] => 15/914939 [patent_app_country] => US [patent_app_date] => 2018-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6535 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15914939 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/914939
Apparatuses for controlling environmental conditions and associated methods Mar 6, 2018 Issued
Array ( [id] => 13597883 [patent_doc_number] => 20180350490 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-06 [patent_title] => GADOLINIUM WIRE ROD, AND METAL-COVERED GADOLINIUM WIRE ROD, HEAT EXCHANGER AND MAGNETIC REFRIGERATOR USING THE SAME [patent_app_type] => utility [patent_app_number] => 15/908926 [patent_app_country] => US [patent_app_date] => 2018-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9751 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15908926 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/908926
GADOLINIUM WIRE ROD, AND METAL-COVERED GADOLINIUM WIRE ROD, HEAT EXCHANGER AND MAGNETIC REFRIGERATOR USING THE SAME Feb 28, 2018 Abandoned
15/900565 FLOATING CORE HEAT SINK ASSEMBLY Feb 19, 2018 Abandoned
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