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] => 11519258 [patent_doc_number] => 20170086334 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-23 [patent_title] => 'VARIABLE REFRIGERANT FLOW MUTLIPOINT DISTRIBUTED CHILLED WATER COOLING AND CONTROL SYSTEM FOR DATA CENTERS' [patent_app_type] => utility [patent_app_number] => 14/859386 [patent_app_country] => US [patent_app_date] => 2015-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3371 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14859386 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/859386
VARIABLE REFRIGERANT FLOW MUTLIPOINT DISTRIBUTED CHILLED WATER COOLING AND CONTROL SYSTEM FOR DATA CENTERS Sep 20, 2015 Abandoned
Array ( [id] => 10738388 [patent_doc_number] => 20160084539 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-24 [patent_title] => 'COOLING SYSTEM HAVING A CONDENSER WITH A MICRO-CHANNEL COOLING COIL AND SUB-COOLER HAVING A FIN-AND-TUBE HEAT COOLING COIL' [patent_app_type] => utility [patent_app_number] => 14/855486 [patent_app_country] => US [patent_app_date] => 2015-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3295 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14855486 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/855486
Cooling system having a condenser with a micro-channel cooling coil and sub-cooler having a fin-and-tube heat cooling coil Sep 15, 2015 Issued
Array ( [id] => 14200233 [patent_doc_number] => 10267219 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-23 [patent_title] => Engine system [patent_app_type] => utility [patent_app_number] => 14/809505 [patent_app_country] => US [patent_app_date] => 2015-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5174 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14809505 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/809505
Engine system Jul 26, 2015 Issued
Array ( [id] => 10679283 [patent_doc_number] => 20160025428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-28 [patent_title] => 'HEAT EXCHANGER' [patent_app_type] => utility [patent_app_number] => 14/799605 [patent_app_country] => US [patent_app_date] => 2015-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5024 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14799605 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/799605
HEAT EXCHANGER Jul 14, 2015 Abandoned
Array ( [id] => 11692034 [patent_doc_number] => 20170167749 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-15 [patent_title] => 'AIR CONDITIONING DEVICE AND AIR CONDITIONING SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/895444 [patent_app_country] => US [patent_app_date] => 2015-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 10423 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14895444 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/895444
AIR CONDITIONING DEVICE AND AIR CONDITIONING SYSTEM Jul 13, 2015 Abandoned
Array ( [id] => 11133892 [patent_doc_number] => 20160330868 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-10 [patent_title] => 'COOLING MODULE, WATER-COOLED COOLING MODULE AND COOLING SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/735559 [patent_app_country] => US [patent_app_date] => 2015-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2112 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14735559 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/735559
Cooling module, water-cooled cooling module and cooling system Jun 9, 2015 Issued
Array ( [id] => 10477230 [patent_doc_number] => 20150362247 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-17 [patent_title] => 'DEFROST APPLIANCE' [patent_app_type] => utility [patent_app_number] => 14/731085 [patent_app_country] => US [patent_app_date] => 2015-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 2540 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14731085 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/731085
DEFROST APPLIANCE Jun 3, 2015 Abandoned
Array ( [id] => 10461725 [patent_doc_number] => 20150346740 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-03 [patent_title] => 'SMART WATER HEATER SYSTEM, METHOD AND COMPUTER READABLE MEDIA' [patent_app_type] => utility [patent_app_number] => 14/725453 [patent_app_country] => US [patent_app_date] => 2015-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8199 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14725453 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/725453
Smart water heater system, method and computer readable media May 28, 2015 Issued
Array ( [id] => 10453118 [patent_doc_number] => 20150338133 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-11-26 [patent_title] => 'TANDEM COMPRESSOR DISCHARGE PRESSURE AND TEMPERATURE CONTROL LOGIC' [patent_app_type] => utility [patent_app_number] => 14/720049 [patent_app_country] => US [patent_app_date] => 2015-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 10832 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14720049 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/720049
Tandem compressor discharge pressure and temperature control logic May 21, 2015 Issued
Array ( [id] => 13001803 [patent_doc_number] => 10024563 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-17 [patent_title] => Indoor unit of air-conditioning apparatus and air-conditioning apparatus [patent_app_type] => utility [patent_app_number] => 14/712978 [patent_app_country] => US [patent_app_date] => 2015-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 23 [patent_no_of_words] => 9862 [patent_no_of_claims] => 12 [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] => 14712978 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/712978
Indoor unit of air-conditioning apparatus and air-conditioning apparatus May 14, 2015 Issued
Array ( [id] => 14760905 [patent_doc_number] => 10391835 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-27 [patent_title] => System and method for de-icing a heat pump [patent_app_type] => utility [patent_app_number] => 14/713842 [patent_app_country] => US [patent_app_date] => 2015-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 9356 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14713842 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/713842
System and method for de-icing a heat pump May 14, 2015 Issued
Array ( [id] => 11664329 [patent_doc_number] => 20170153048 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-01 [patent_title] => 'Improved Evaporative Condenser' [patent_app_type] => utility [patent_app_number] => 15/310001 [patent_app_country] => US [patent_app_date] => 2015-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8371 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15310001 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/310001
Improved Evaporative Condenser May 12, 2015 Abandoned
Array ( [id] => 11718163 [patent_doc_number] => 20170186662 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-29 [patent_title] => 'APPLYING PHASE SEPARATION OF A SOLVENT MIXTURE WITH A LOWER CRITICAL SOLUTION TEMPERATURE FOR ENHANCEMENT OF COOLING RATES BY FORCED AND FREE CONVECTION' [patent_app_type] => utility [patent_app_number] => 15/309589 [patent_app_country] => US [patent_app_date] => 2015-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 9698 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15309589 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/309589
APPLYING PHASE SEPARATION OF A SOLVENT MIXTURE WITH A LOWER CRITICAL SOLUTION TEMPERATURE FOR ENHANCEMENT OF COOLING RATES BY FORCED AND FREE CONVECTION May 12, 2015 Abandoned
Array ( [id] => 10469824 [patent_doc_number] => 20150354840 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-10 [patent_title] => 'OUTDOOR UNIT FOR AIR-CONDITIONING APPARATUS' [patent_app_type] => utility [patent_app_number] => 14/685743 [patent_app_country] => US [patent_app_date] => 2015-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3850 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14685743 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/685743
OUTDOOR UNIT FOR AIR-CONDITIONING APPARATUS Apr 13, 2015 Abandoned
Array ( [id] => 11705542 [patent_doc_number] => 20170174042 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-22 [patent_title] => 'BOTTLE ACTUATOR APPARATUS AND SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/680066 [patent_app_country] => US [patent_app_date] => 2015-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2469 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14680066 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/680066
BOTTLE ACTUATOR APPARATUS AND SYSTEM Apr 6, 2015 Abandoned
Array ( [id] => 11108746 [patent_doc_number] => 20160305717 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-20 [patent_title] => 'METAL HEAT EXCHANGER TUBE' [patent_app_type] => utility [patent_app_number] => 15/103193 [patent_app_country] => US [patent_app_date] => 2015-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3830 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15103193 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/103193
Metal heat exchanger tube Feb 9, 2015 Issued
Array ( [id] => 11312852 [patent_doc_number] => 20160348962 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-01 [patent_title] => 'SYSTEMS AND METHODS FOR VACUUM COOLING A BEVERAGE' [patent_app_type] => utility [patent_app_number] => 15/114428 [patent_app_country] => US [patent_app_date] => 2015-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 9248 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15114428 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/114428
Systems and methods for vacuum cooling a beverage Jan 29, 2015 Issued
Array ( [id] => 12151166 [patent_doc_number] => 20180022431 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-25 [patent_title] => 'FUEL SUPPLY SYSTEM AND METHOD FOR SHIP ENGINE' [patent_app_type] => utility [patent_app_number] => 15/547446 [patent_app_country] => US [patent_app_date] => 2015-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2922 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15547446 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/547446
Fuel supply system and method for ship engine Jan 29, 2015 Issued
Array ( [id] => 11116097 [patent_doc_number] => 20160313070 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-27 [patent_title] => 'HEAT-EXCHANGER OFFSET FIN AND REFRIGERANT HEAT-EXCHANGER UTILIZING SAME' [patent_app_type] => utility [patent_app_number] => 15/102374 [patent_app_country] => US [patent_app_date] => 2015-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5904 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15102374 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/102374
HEAT-EXCHANGER OFFSET FIN AND REFRIGERANT HEAT-EXCHANGER UTILIZING SAME Jan 26, 2015 Abandoned
Array ( [id] => 11569612 [patent_doc_number] => 20170108256 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-20 [patent_title] => 'Ejectors and Methods of Use' [patent_app_type] => utility [patent_app_number] => 15/115753 [patent_app_country] => US [patent_app_date] => 2015-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3979 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15115753 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/115753
Ejectors and Methods of Use Jan 22, 2015 Abandoned
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