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] => 11867279 [patent_doc_number] => 20170234564 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-17 [patent_title] => 'METHOD AND APPARATUS FOR RE-HEAT DEHUMIDIFICATION UTILIZING A VARIABLE SPEED COMPRESSOR SYSTEM' [patent_app_type] => utility [patent_app_number] => 15/044243 [patent_app_country] => US [patent_app_date] => 2016-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9643 [patent_no_of_claims] => 19 [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] => 15044243 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/044243
Method and apparatus for re-heat dehumidification utilizing a variable speed compressor system Feb 15, 2016 Issued
Array ( [id] => 16863633 [patent_doc_number] => 11022369 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-01 [patent_title] => Booster system [patent_app_type] => utility [patent_app_number] => 16/060352 [patent_app_country] => US [patent_app_date] => 2016-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8157 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 296 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16060352 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/060352
Booster system Feb 8, 2016 Issued
Array ( [id] => 12119863 [patent_doc_number] => 20180003449 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-04 [patent_title] => 'Tube Sheet Assembly for a Heat Exchanger' [patent_app_type] => utility [patent_app_number] => 15/543314 [patent_app_country] => US [patent_app_date] => 2016-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1612 [patent_no_of_claims] => 6 [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] => 15543314 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/543314
Tube Sheet Assembly for a Heat Exchanger Jan 14, 2016 Abandoned
Array ( [id] => 11026285 [patent_doc_number] => 20160223240 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-08-04 [patent_title] => 'OUTDOOR UNIT OF AIR CONDITIONER AND AIR CONDITIONER' [patent_app_type] => utility [patent_app_number] => 14/995643 [patent_app_country] => US [patent_app_date] => 2016-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8978 [patent_no_of_claims] => 9 [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] => 14995643 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/995643
OUTDOOR UNIT OF AIR CONDITIONER AND AIR CONDITIONER Jan 13, 2016 Abandoned
Array ( [id] => 11470858 [patent_doc_number] => 20170057641 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-02 [patent_title] => 'INTEGRATED AIR AND VAPOR CYCLE COOLING SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/991155 [patent_app_country] => US [patent_app_date] => 2016-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2964 [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] => 14991155 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/991155
Integrated air and vapor cycle cooling system Jan 7, 2016 Issued
Array ( [id] => 15010457 [patent_doc_number] => 10451357 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-22 [patent_title] => Mixing container of a latent heat storage unit and method for the operation thereof [patent_app_type] => utility [patent_app_number] => 15/541869 [patent_app_country] => US [patent_app_date] => 2016-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4600 [patent_no_of_claims] => 15 [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] => 15541869 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/541869
Mixing container of a latent heat storage unit and method for the operation thereof Jan 4, 2016 Issued
Array ( [id] => 13719309 [patent_doc_number] => 20170370609 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-28 [patent_title] => Enthalpy Heat Exchanger [patent_app_type] => utility [patent_app_number] => 15/539482 [patent_app_country] => US [patent_app_date] => 2015-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3139 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15539482 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/539482
Enthalpy Heat Exchanger Dec 20, 2015 Abandoned
Array ( [id] => 13719403 [patent_doc_number] => 20170370656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-28 [patent_title] => HEAT RESERVOIR IMPREGNATED WITH LATENT HEAT STORAGE MATERIAL WITH EXCELLENT THERMOSTABILITY [patent_app_type] => utility [patent_app_number] => 15/539847 [patent_app_country] => US [patent_app_date] => 2015-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11505 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 15539847 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/539847
HEAT RESERVOIR IMPREGNATED WITH LATENT HEAT STORAGE MATERIAL WITH EXCELLENT THERMOSTABILITY Dec 20, 2015 Abandoned
Array ( [id] => 15514697 [patent_doc_number] => 10563929 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-18 [patent_title] => Heat exchanger tube spacing device (varinats) [patent_app_type] => utility [patent_app_number] => 15/540818 [patent_app_country] => US [patent_app_date] => 2015-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2532 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15540818 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/540818
Heat exchanger tube spacing device (varinats) Nov 30, 2015 Issued
Array ( [id] => 11458002 [patent_doc_number] => 20170051908 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-23 [patent_title] => 'HEAT DISSIPATION STRUCTURE FOR LED AND LED LIGHTING LAMP INCLUDING THE SAME' [patent_app_type] => utility [patent_app_number] => 14/952991 [patent_app_country] => US [patent_app_date] => 2015-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 4827 [patent_no_of_claims] => 6 [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] => 14952991 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/952991
HEAT DISSIPATION STRUCTURE FOR LED AND LED LIGHTING LAMP INCLUDING THE SAME Nov 25, 2015 Abandoned
Array ( [id] => 16695754 [patent_doc_number] => 10946326 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-16 [patent_title] => Device for producing and treating a gas stream through a volume of liquid, and facility and method implementing said device [patent_app_type] => utility [patent_app_number] => 15/524862 [patent_app_country] => US [patent_app_date] => 2015-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7439 [patent_no_of_claims] => 52 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 389 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15524862 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/524862
Device for producing and treating a gas stream through a volume of liquid, and facility and method implementing said device Nov 5, 2015 Issued
Array ( [id] => 14640577 [patent_doc_number] => 10365025 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-30 [patent_title] => Methods and systems for operating HVAC systems in low load conditions [patent_app_type] => utility [patent_app_number] => 14/930291 [patent_app_country] => US [patent_app_date] => 2015-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6512 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14930291 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/930291
Methods and systems for operating HVAC systems in low load conditions Nov 1, 2015 Issued
Array ( [id] => 10777489 [patent_doc_number] => 20160123645 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-05 [patent_title] => 'AIR CONDITIONER AND METHOD OF CONTROLLING THE SAME' [patent_app_type] => utility [patent_app_number] => 14/925499 [patent_app_country] => US [patent_app_date] => 2015-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 10461 [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] => 14925499 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/925499
AIR CONDITIONER AND METHOD OF CONTROLLING THE SAME Oct 27, 2015 Abandoned
Array ( [id] => 14612183 [patent_doc_number] => 10358778 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-23 [patent_title] => Temperature controlled structure assembly [patent_app_type] => utility [patent_app_number] => 14/877007 [patent_app_country] => US [patent_app_date] => 2015-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 25 [patent_no_of_words] => 17950 [patent_no_of_claims] => 43 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14877007 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/877007
Temperature controlled structure assembly Oct 6, 2015 Issued
Array ( [id] => 11093721 [patent_doc_number] => 20160290689 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-06 [patent_title] => 'REFRIGERATOR AND HEAT EXCHANGER USED THEREIN' [patent_app_type] => utility [patent_app_number] => 14/877462 [patent_app_country] => US [patent_app_date] => 2015-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5383 [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] => 14877462 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/877462
REFRIGERATOR AND HEAT EXCHANGER USED THEREIN Oct 6, 2015 Abandoned
Array ( [id] => 12052259 [patent_doc_number] => 20170328604 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-16 [patent_title] => 'A METHOD FOR OPERATING A VAPOUR COMPRESSION SYSTEM WITH A RECEIVER' [patent_app_type] => utility [patent_app_number] => 15/527496 [patent_app_country] => US [patent_app_date] => 2015-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6380 [patent_no_of_claims] => 20 [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] => 15527496 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/527496
Method for operating a vapour compression system with a receiver Oct 6, 2015 Issued
Array ( [id] => 11997900 [patent_doc_number] => 20170302055 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-19 [patent_title] => 'PELTIER EFFECT HEAT TRANSFER SYSTEM' [patent_app_type] => utility [patent_app_number] => 15/515673 [patent_app_country] => US [patent_app_date] => 2015-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6821 [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] => 15515673 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/515673
PELTIER EFFECT HEAT TRANSFER SYSTEM Oct 4, 2015 Abandoned
Array ( [id] => 14885019 [patent_doc_number] => 10422540 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-24 [patent_title] => Evaporative cooling device and control system [patent_app_type] => utility [patent_app_number] => 14/874701 [patent_app_country] => US [patent_app_date] => 2015-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 16 [patent_no_of_words] => 6668 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14874701 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/874701
Evaporative cooling device and control system Oct 4, 2015 Issued
Array ( [id] => 10763014 [patent_doc_number] => 20160109169 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-04-21 [patent_title] => 'HEAT EXCHANGER AND REFRIGERATION CYCLE APPARATUS INCLUDING THE SAME' [patent_app_type] => utility [patent_app_number] => 14/872437 [patent_app_country] => US [patent_app_date] => 2015-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3810 [patent_no_of_claims] => 6 [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] => 14872437 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/872437
Heat exchanger and refrigeration cycle apparatus including the same Sep 30, 2015 Issued
Array ( [id] => 10766992 [patent_doc_number] => 20160113148 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-04-21 [patent_title] => 'COOLING DEVICE AND COOLED ELECTRICAL ASSEMBLY COMPRISING THE SAME' [patent_app_type] => utility [patent_app_number] => 14/869260 [patent_app_country] => US [patent_app_date] => 2015-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2514 [patent_no_of_claims] => 20 [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] => 14869260 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/869260
COOLING DEVICE AND COOLED ELECTRICAL ASSEMBLY COMPRISING THE SAME Sep 28, 2015 Abandoned
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