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] => 17521298 [patent_doc_number] => 20220107147 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => METHOD AND SYSTEM FOR CLEANING A DEVICE HOLDING FLUID [patent_app_type] => utility [patent_app_number] => 17/428752 [patent_app_country] => US [patent_app_date] => 2020-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5492 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17428752 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/428752
Method and system for cleaning a device holding fluid Jan 9, 2020 Issued
Array ( [id] => 16947538 [patent_doc_number] => 20210206229 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-08 [patent_title] => SYSTEM AND METHOD FOR CONTROLLING FLUID TEMPERATURE IN A THERMAL SYSTEM [patent_app_type] => utility [patent_app_number] => 16/736177 [patent_app_country] => US [patent_app_date] => 2020-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4564 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16736177 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/736177
SYSTEM AND METHOD FOR CONTROLLING FLUID TEMPERATURE IN A THERMAL SYSTEM Jan 6, 2020 Abandoned
Array ( [id] => 18726906 [patent_doc_number] => 20230341187 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 17/789009 [patent_app_country] => US [patent_app_date] => 2019-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7419 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17789009 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/789009
Heat exchanger Dec 25, 2019 Issued
Array ( [id] => 18148227 [patent_doc_number] => 20230022084 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => FLOW REACTOR [patent_app_type] => utility [patent_app_number] => 17/789096 [patent_app_country] => US [patent_app_date] => 2019-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7506 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17789096 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/789096
Flow reactor Dec 25, 2019 Issued
Array ( [id] => 17939366 [patent_doc_number] => 11473812 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-18 [patent_title] => Control method of gas furnace [patent_app_type] => utility [patent_app_number] => 16/726364 [patent_app_country] => US [patent_app_date] => 2019-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5731 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16726364 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/726364
Control method of gas furnace Dec 23, 2019 Issued
Array ( [id] => 16113811 [patent_doc_number] => 20200208928 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-02 [patent_title] => HEAT EXCHANGER EXTERIOR SURFACE CLEANING SYSTEM, METHOD OF RETROFITTING A HEAT EXCHANGER WITH A CLEANING SYSTEM, AND METHOD OF CLEANING A HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 16/723000 [patent_app_country] => US [patent_app_date] => 2019-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3812 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16723000 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/723000
HEAT EXCHANGER EXTERIOR SURFACE CLEANING SYSTEM, METHOD OF RETROFITTING A HEAT EXCHANGER WITH A CLEANING SYSTEM, AND METHOD OF CLEANING A HEAT EXCHANGER Dec 19, 2019 Pending
Array ( [id] => 17793193 [patent_doc_number] => 20220252284 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => MULTI-UNIT EVAPORATIVE COOLING SYSTEM FOR STRATIFIED THERMAL AIR CONDITIONING [patent_app_type] => utility [patent_app_number] => 17/432254 [patent_app_country] => US [patent_app_date] => 2019-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8080 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17432254 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/432254
MULTI-UNIT EVAPORATIVE COOLING SYSTEM FOR STRATIFIED THERMAL AIR CONDITIONING Dec 18, 2019 Abandoned
Array ( [id] => 17429438 [patent_doc_number] => 20220057147 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => REGENERATOR AND METHOD FOR MANUFACTURING SUCH A REGENERATOR [patent_app_type] => utility [patent_app_number] => 17/415583 [patent_app_country] => US [patent_app_date] => 2019-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5581 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17415583 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/415583
REGENERATOR AND METHOD FOR MANUFACTURING SUCH A REGENERATOR Dec 16, 2019 Abandoned
Array ( [id] => 17201092 [patent_doc_number] => 20210341187 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => HEAT PUMP APPARATUS AND DISTRICT HEATING NETWORK COMPRISING A HEAT PUMP APPARATUS [patent_app_type] => utility [patent_app_number] => 17/413634 [patent_app_country] => US [patent_app_date] => 2019-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7346 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17413634 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/413634
HEAT PUMP APPARATUS AND DISTRICT HEATING NETWORK COMPRISING A HEAT PUMP APPARATUS Dec 15, 2019 Pending
Array ( [id] => 16088907 [patent_doc_number] => 20200198440 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-25 [patent_title] => COOLING DEVICE AND METHOD FOR THE REDUNDANT COOLING OF A CONTROL UNIT FOR A VEHICLE [patent_app_type] => utility [patent_app_number] => 16/713365 [patent_app_country] => US [patent_app_date] => 2019-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4109 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16713365 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/713365
Cooling device and method for the redundant cooling of a control unit for a vehicle Dec 12, 2019 Issued
Array ( [id] => 17471687 [patent_doc_number] => 20220079191 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => REFRIGERATING AND FREEZING DEVICE [patent_app_type] => utility [patent_app_number] => 17/420590 [patent_app_country] => US [patent_app_date] => 2019-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4279 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17420590 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/420590
Refrigerating and freezing device Dec 11, 2019 Issued
Array ( [id] => 16886482 [patent_doc_number] => 20210172678 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => METHOD FOR GENERATING REFRIGERATION FOR A CARBON MONOXIDE COLD BOX [patent_app_type] => utility [patent_app_number] => 16/707190 [patent_app_country] => US [patent_app_date] => 2019-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3136 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16707190 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/707190
METHOD FOR GENERATING REFRIGERATION FOR A CARBON MONOXIDE COLD BOX Dec 8, 2019 Pending
Array ( [id] => 16327695 [patent_doc_number] => 20200298660 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => BLOW UNIT OF AIR CONDITIONER FOR VEHICLE [patent_app_type] => utility [patent_app_number] => 16/704511 [patent_app_country] => US [patent_app_date] => 2019-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5614 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16704511 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/704511
BLOW UNIT OF AIR CONDITIONER FOR VEHICLE Dec 4, 2019 Abandoned
Array ( [id] => 16884638 [patent_doc_number] => 20210170833 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => DEBRIS SHIELD FOR AN AIR CONDITIONER UNIT [patent_app_type] => utility [patent_app_number] => 16/702814 [patent_app_country] => US [patent_app_date] => 2019-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3214 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16702814 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/702814
DEBRIS SHIELD FOR AN AIR CONDITIONER UNIT Dec 3, 2019 Abandoned
Array ( [id] => 16854326 [patent_doc_number] => 20210155071 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => VEHICLE SYSTEMS FOR CONTROLLING TEMPERATURE OF COMPARTMENTS FOR STORING ITEMS [patent_app_type] => utility [patent_app_number] => 16/690919 [patent_app_country] => US [patent_app_date] => 2019-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7809 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16690919 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/690919
Vehicle systems for controlling temperature of compartments for storing hems Nov 20, 2019 Issued
Array ( [id] => 20607706 [patent_doc_number] => 12583289 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Construction machine [patent_app_type] => utility [patent_app_number] => 17/296478 [patent_app_country] => US [patent_app_date] => 2019-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17296478 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/296478
Construction machine Nov 18, 2019 Issued
Array ( [id] => 17784165 [patent_doc_number] => 11407273 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-09 [patent_title] => Heat pump system for vehicle [patent_app_type] => utility [patent_app_number] => 16/685077 [patent_app_country] => US [patent_app_date] => 2019-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 12592 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16685077 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/685077
Heat pump system for vehicle Nov 14, 2019 Issued
Array ( [id] => 17883770 [patent_doc_number] => 20220299247 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => REFRIGERATION CYCLE APPARATUS [patent_app_type] => utility [patent_app_number] => 17/641551 [patent_app_country] => US [patent_app_date] => 2019-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12446 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 17641551 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/641551
REFRIGERATION CYCLE APPARATUS Nov 11, 2019 Pending
Array ( [id] => 15900609 [patent_doc_number] => 20200149823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-14 [patent_title] => HEAT PIPE [patent_app_type] => utility [patent_app_number] => 16/677160 [patent_app_country] => US [patent_app_date] => 2019-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8287 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16677160 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/677160
Heat pipe Nov 6, 2019 Issued
Array ( [id] => 16436473 [patent_doc_number] => 20200353798 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-12 [patent_title] => AIR-CONDITIONING SYSTEM FOR VEHICLE AND CARBON DIOXIDE CAPTURE MODULE USED THEREFOR [patent_app_type] => utility [patent_app_number] => 16/667555 [patent_app_country] => US [patent_app_date] => 2019-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4829 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 16667555 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/667555
AIR-CONDITIONING SYSTEM FOR VEHICLE AND CARBON DIOXIDE CAPTURE MODULE USED THEREFOR Oct 28, 2019 Abandoned
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