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] => 15494931 [patent_doc_number] => 20200047654 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-13 [patent_title] => IMPROVED CONTROL SYSTEMS AND METHODS FOR THERMALLY CONDITIONED RECEPTACLES [patent_app_type] => utility [patent_app_number] => 16/485765 [patent_app_country] => US [patent_app_date] => 2018-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9096 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 16485765 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/485765
IMPROVED CONTROL SYSTEMS AND METHODS FOR THERMALLY CONDITIONED RECEPTACLES Feb 14, 2018 Abandoned
Array ( [id] => 15149901 [patent_doc_number] => 20190353428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-21 [patent_title] => ANNULAR HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 16/482670 [patent_app_country] => US [patent_app_date] => 2018-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1674 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16482670 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/482670
ANNULAR HEAT EXCHANGER Feb 4, 2018 Abandoned
Array ( [id] => 17527660 [patent_doc_number] => 11300337 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-12 [patent_title] => Outdoor system for air conditioner [patent_app_type] => utility [patent_app_number] => 16/482788 [patent_app_country] => US [patent_app_date] => 2018-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7248 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16482788 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/482788
Outdoor system for air conditioner Jan 31, 2018 Issued
Array ( [id] => 17969129 [patent_doc_number] => 11486648 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-01 [patent_title] => Heat exchanger [patent_app_type] => utility [patent_app_number] => 16/481748 [patent_app_country] => US [patent_app_date] => 2018-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 4482 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16481748 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/481748
Heat exchanger Jan 28, 2018 Issued
Array ( [id] => 14655125 [patent_doc_number] => 20190234691 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-01 [patent_title] => THERMAL MODULE [patent_app_type] => utility [patent_app_number] => 15/880529 [patent_app_country] => US [patent_app_date] => 2018-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1520 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15880529 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/880529
THERMAL MODULE Jan 25, 2018 Abandoned
Array ( [id] => 13359591 [patent_doc_number] => 20180231335 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-16 [patent_title] => FLOW GUIDE FOR HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 15/879768 [patent_app_country] => US [patent_app_date] => 2018-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4907 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15879768 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/879768
FLOW GUIDE FOR HEAT EXCHANGER Jan 24, 2018 Abandoned
Array ( [id] => 15950435 [patent_doc_number] => 10663115 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-26 [patent_title] => Method of purging a dual purpose LNG/LIN storage tank [patent_app_type] => utility [patent_app_number] => 15/873624 [patent_app_country] => US [patent_app_date] => 2018-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 6186 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15873624 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/873624
Method of purging a dual purpose LNG/LIN storage tank Jan 16, 2018 Issued
Array ( [id] => 15256033 [patent_doc_number] => 20190376750 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-12 [patent_title] => WATER HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 16/477564 [patent_app_country] => US [patent_app_date] => 2018-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7625 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16477564 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/477564
WATER HEAT EXCHANGER Jan 9, 2018 Abandoned
Array ( [id] => 15180333 [patent_doc_number] => 20190360758 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-28 [patent_title] => WATER HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 16/477705 [patent_app_country] => US [patent_app_date] => 2018-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7101 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16477705 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/477705
WATER HEAT EXCHANGER Jan 9, 2018 Abandoned
Array ( [id] => 17351502 [patent_doc_number] => 11226130 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-18 [patent_title] => Valve control device, cooling device, and valve control method [patent_app_type] => utility [patent_app_number] => 16/477935 [patent_app_country] => US [patent_app_date] => 2018-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 10089 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16477935 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/477935
Valve control device, cooling device, and valve control method Jan 8, 2018 Issued
Array ( [id] => 14932341 [patent_doc_number] => 20190301808 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-03 [patent_title] => Sensible and Latent Heat Exchangers with Particular Application to Vapor-Compression Desalination [patent_app_type] => utility [patent_app_number] => 16/466919 [patent_app_country] => US [patent_app_date] => 2017-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11204 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16466919 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/466919
Sensible and Latent Heat Exchangers with Particular Application to Vapor-Compression Desalination Dec 12, 2017 Abandoned
Array ( [id] => 16461765 [patent_doc_number] => 10845106 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-24 [patent_title] => Accumulator and oil separator [patent_app_type] => utility [patent_app_number] => 15/839576 [patent_app_country] => US [patent_app_date] => 2017-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4779 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15839576 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/839576
Accumulator and oil separator Dec 11, 2017 Issued
Array ( [id] => 14441325 [patent_doc_number] => 20190178535 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-13 [patent_title] => CALORIC HEAT PUMP FOR AN APPLIANCE [patent_app_type] => utility [patent_app_number] => 15/838850 [patent_app_country] => US [patent_app_date] => 2017-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6641 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15838850 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/838850
Caloric heat pump for an appliance Dec 11, 2017 Issued
Array ( [id] => 14441371 [patent_doc_number] => 20190178558 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-13 [patent_title] => Independent Auxiliary Thermosiphon For Inexpensively Extending Active Cooling To Additional Freezer Interior Walls [patent_app_type] => utility [patent_app_number] => 15/837504 [patent_app_country] => US [patent_app_date] => 2017-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4103 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15837504 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/837504
Independent auxiliary thermosiphon for inexpensively extending active cooling to additional freezer interior walls Dec 10, 2017 Issued
Array ( [id] => 14409193 [patent_doc_number] => 20190170440 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-06 [patent_title] => Pressure-Regulated Melting of Solids [patent_app_type] => utility [patent_app_number] => 15/831782 [patent_app_country] => US [patent_app_date] => 2017-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2840 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15831782 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/831782
Pressure-Regulated Melting of Solids Dec 4, 2017 Abandoned
Array ( [id] => 14409195 [patent_doc_number] => 20190170441 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-06 [patent_title] => Pressure-Regulated Melting of Solids with Warm Fluids [patent_app_type] => utility [patent_app_number] => 15/831887 [patent_app_country] => US [patent_app_date] => 2017-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2732 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 15831887 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/831887
Pressure-Regulated Melting of Solids with Warm Fluids Dec 4, 2017 Abandoned
Array ( [id] => 15929157 [patent_doc_number] => 20200156212 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => SYSTEM AND METHOD OF CLEANING A HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 16/464597 [patent_app_country] => US [patent_app_date] => 2017-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7499 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16464597 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/464597
System and method of cleaning a heat exchanger Nov 23, 2017 Issued
Array ( [id] => 14838351 [patent_doc_number] => 20190277576 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-12 [patent_title] => HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 16/348111 [patent_app_country] => US [patent_app_date] => 2017-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3381 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16348111 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/348111
HEAT EXCHANGER Nov 8, 2017 Abandoned
Array ( [id] => 14104559 [patent_doc_number] => 20190093955 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-28 [patent_title] => DUAL-LOOP LIQUID COOLING SYSTEM [patent_app_type] => utility [patent_app_number] => 15/788066 [patent_app_country] => US [patent_app_date] => 2017-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3906 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 313 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15788066 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/788066
DUAL-LOOP LIQUID COOLING SYSTEM Oct 18, 2017 Abandoned
Array ( [id] => 16540290 [patent_doc_number] => 20200406703 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => AIR MIXING DEVICE OF VEHICLE HVAC MODULE, AND HVAC MODULE INCLUDING SAME [patent_app_type] => utility [patent_app_number] => 16/756994 [patent_app_country] => US [patent_app_date] => 2017-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3309 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16756994 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/756994
AIR MIXING DEVICE OF VEHICLE HVAC MODULE, AND HVAC MODULE INCLUDING SAME Oct 18, 2017 Abandoned
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