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] => 16614703 [patent_doc_number] => 20210033356 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => HEAT DISSIPATING APPARATUS USED IN NON-FORCED CONVECTION [patent_app_type] => utility [patent_app_number] => 16/528569 [patent_app_country] => US [patent_app_date] => 2019-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2240 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16528569 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/528569
HEAT DISSIPATING APPARATUS USED IN NON-FORCED CONVECTION Jul 30, 2019 Abandoned
Array ( [id] => 17422167 [patent_doc_number] => 11255614 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-22 [patent_title] => Heat exchanger with barrier passages [patent_app_type] => utility [patent_app_number] => 16/525560 [patent_app_country] => US [patent_app_date] => 2019-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 22 [patent_no_of_words] => 8632 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16525560 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/525560
Heat exchanger with barrier passages Jul 28, 2019 Issued
Array ( [id] => 17300643 [patent_doc_number] => 20210396482 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => HEAT EXCHANGER END COVER INTEGRATED WITH RUBBER BALL CLEANING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/260987 [patent_app_country] => US [patent_app_date] => 2019-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2871 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17260987 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/260987
Heat exchanger end cover integrated with rubber ball cleaning apparatus Jul 18, 2019 Issued
Array ( [id] => 16469228 [patent_doc_number] => 20200370765 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-26 [patent_title] => SYSTEMS AND METHODS FOR REHEAT CONTROL OF AN HVAC SYSTEM [patent_app_type] => utility [patent_app_number] => 16/513499 [patent_app_country] => US [patent_app_date] => 2019-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13132 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 16513499 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/513499
Systems and methods for reheat control of an HVAC system Jul 15, 2019 Issued
Array ( [id] => 17029207 [patent_doc_number] => 11091007 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-17 [patent_title] => System for thermal management of the components of a hybrid vehicle [patent_app_type] => utility [patent_app_number] => 16/510247 [patent_app_country] => US [patent_app_date] => 2019-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4711 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 481 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16510247 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/510247
System for thermal management of the components of a hybrid vehicle Jul 11, 2019 Issued
Array ( [id] => 15433495 [patent_doc_number] => 20200030930 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-30 [patent_title] => REGENERATION DEVICE FOR REGENERATING A COOLANT DISPERSION [patent_app_type] => utility [patent_app_number] => 16/509507 [patent_app_country] => US [patent_app_date] => 2019-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6984 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16509507 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/509507
Regeneration device for regenerating a coolant dispersion Jul 11, 2019 Issued
Array ( [id] => 15410265 [patent_doc_number] => 20200025454 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-23 [patent_title] => FIN-PLATE HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 16/509752 [patent_app_country] => US [patent_app_date] => 2019-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7756 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16509752 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/509752
FIN-PLATE HEAT EXCHANGER Jul 11, 2019 Abandoned
Array ( [id] => 15710101 [patent_doc_number] => 20200101816 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-02 [patent_title] => VEHICLE HEAT MANAGEMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 16/508540 [patent_app_country] => US [patent_app_date] => 2019-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7618 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16508540 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/508540
VEHICLE HEAT MANAGEMENT SYSTEM Jul 10, 2019 Abandoned
Array ( [id] => 15410261 [patent_doc_number] => 20200025452 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-23 [patent_title] => HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 16/508425 [patent_app_country] => US [patent_app_date] => 2019-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4412 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16508425 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/508425
HEAT EXCHANGER Jul 10, 2019 Abandoned
Array ( [id] => 15025435 [patent_doc_number] => 20190323722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-24 [patent_title] => METHOD AND APPARATUS FOR RE-HEAT DEHUMIDIFICATION UTILIZING A VARIABLE SPEED COMPRESSOR SYSTEM [patent_app_type] => utility [patent_app_number] => 16/502203 [patent_app_country] => US [patent_app_date] => 2019-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9255 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16502203 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/502203
Method and apparatus for re-heat dehumidification utilizing a variable speed compressor system Jul 2, 2019 Issued
Array ( [id] => 17030560 [patent_doc_number] => 11092368 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-17 [patent_title] => Methods and systems for operating HVAC systems in low load conditions [patent_app_type] => utility [patent_app_number] => 16/459847 [patent_app_country] => US [patent_app_date] => 2019-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6541 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16459847 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/459847
Methods and systems for operating HVAC systems in low load conditions Jul 1, 2019 Issued
Array ( [id] => 16576359 [patent_doc_number] => 20210010760 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-14 [patent_title] => AIR CONDITIONER APPARATUS, AND INDOOR UNIT AND OUTDOOR UNIT THEREOF [patent_app_type] => utility [patent_app_number] => 15/733652 [patent_app_country] => US [patent_app_date] => 2019-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5606 [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] => 15733652 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/733652
AIR CONDITIONER APPARATUS, AND INDOOR UNIT AND OUTDOOR UNIT THEREOF Jun 27, 2019 Abandoned
Array ( [id] => 16541807 [patent_doc_number] => 20200408220 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => IMPELLER WITH EXTERNAL BLADES [patent_app_type] => utility [patent_app_number] => 16/457310 [patent_app_country] => US [patent_app_date] => 2019-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8452 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16457310 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/457310
Impeller with external blades Jun 27, 2019 Issued
Array ( [id] => 18101850 [patent_doc_number] => 11541722 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-03 [patent_title] => Heating system and method for heating the interior of a vehicle and motor vehicle [patent_app_type] => utility [patent_app_number] => 16/452711 [patent_app_country] => US [patent_app_date] => 2019-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4715 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16452711 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/452711
Heating system and method for heating the interior of a vehicle and motor vehicle Jun 25, 2019 Issued
Array ( [id] => 19537507 [patent_doc_number] => 12130054 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-29 [patent_title] => Air-conditioning apparatus [patent_app_type] => utility [patent_app_number] => 17/607379 [patent_app_country] => US [patent_app_date] => 2019-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 19088 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17607379 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/607379
Air-conditioning apparatus Jun 24, 2019 Issued
Array ( [id] => 16485095 [patent_doc_number] => 20200378697 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => HELICALLY BAFFLED HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 16/428582 [patent_app_country] => US [patent_app_date] => 2019-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18829 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16428582 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/428582
Helically baffled heat exchanger May 30, 2019 Issued
Array ( [id] => 15222149 [patent_doc_number] => 20190373761 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-05 [patent_title] => HEATSINK AND METHOD OF MANUFACTURING A HEATSINK [patent_app_type] => utility [patent_app_number] => 16/428150 [patent_app_country] => US [patent_app_date] => 2019-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3074 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16428150 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/428150
HEATSINK AND METHOD OF MANUFACTURING A HEATSINK May 30, 2019 Abandoned
Array ( [id] => 16166751 [patent_doc_number] => 20200221608 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-09 [patent_title] => HEAT-DISSIPATING STRUCTURE AND METHOD FOR MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 16/428148 [patent_app_country] => US [patent_app_date] => 2019-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4909 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16428148 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/428148
HEAT-DISSIPATING STRUCTURE AND METHOD FOR MANUFACTURING THE SAME May 30, 2019 Abandoned
Array ( [id] => 15770837 [patent_doc_number] => 20200116436 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-16 [patent_title] => HEAT TRANSFERRING MODULE AND MANUFACTURING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 16/425953 [patent_app_country] => US [patent_app_date] => 2019-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3472 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16425953 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/425953
HEAT TRANSFERRING MODULE AND MANUFACTURING METHOD THEREOF May 29, 2019 Abandoned
Array ( [id] => 17784222 [patent_doc_number] => 11407330 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-09 [patent_title] => Thermal management systems and heat exchangers for battery thermal modulation [patent_app_type] => utility [patent_app_number] => 16/426368 [patent_app_country] => US [patent_app_date] => 2019-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 44 [patent_figures_cnt] => 45 [patent_no_of_words] => 23852 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16426368 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/426368
Thermal management systems and heat exchangers for battery thermal modulation May 29, 2019 Issued
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