Search

David L. Andrews

Examiner (ID: 6232, Phone: (571)272-6558 , Office: P/3672 )

Most Active Art Unit
3672
Art Unit(s)
3672
Total Applications
1158
Issued Applications
793
Pending Applications
94
Abandoned Applications
298

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18478693 [patent_doc_number] => 11692426 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-04 [patent_title] => Method and apparatus for determining integrated exploitation approach of shale and adjacent oil reservoirs [patent_app_type] => utility [patent_app_number] => 17/253457 [patent_app_country] => US [patent_app_date] => 2020-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 20086 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 371 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17253457 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/253457
Method and apparatus for determining integrated exploitation approach of shale and adjacent oil reservoirs Feb 23, 2020 Issued
Array ( [id] => 17267919 [patent_doc_number] => 11193336 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-07 [patent_title] => Downhole connection [patent_app_type] => utility [patent_app_number] => 16/787494 [patent_app_country] => US [patent_app_date] => 2020-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8512 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16787494 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/787494
Downhole connection Feb 10, 2020 Issued
Array ( [id] => 17120049 [patent_doc_number] => 11131173 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-28 [patent_title] => Pump system for gas entrainment [patent_app_type] => utility [patent_app_number] => 16/784698 [patent_app_country] => US [patent_app_date] => 2020-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5390 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [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] => 16784698 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/784698
Pump system for gas entrainment Feb 6, 2020 Issued
Array ( [id] => 18666788 [patent_doc_number] => 11773671 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-03 [patent_title] => Expandable liner hanger system and methodology [patent_app_type] => utility [patent_app_number] => 17/424191 [patent_app_country] => US [patent_app_date] => 2020-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 21 [patent_no_of_words] => 5128 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17424191 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/424191
Expandable liner hanger system and methodology Jan 22, 2020 Issued
Array ( [id] => 16990799 [patent_doc_number] => 20210229219 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => LASER ARRAY FOR HEAVY HYDROCARBON HEATING [patent_app_type] => utility [patent_app_number] => 16/750167 [patent_app_country] => US [patent_app_date] => 2020-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11109 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 16750167 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/750167
Laser array for heavy hydrocarbon heating Jan 22, 2020 Issued
Array ( [id] => 16238926 [patent_doc_number] => 20200256160 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-13 [patent_title] => HEATING CABLE FOR EXTRACTION PIPES OF VISCOUS HYDROCARBONS OR PARAFFINIC IN CONVENTIONAL WELLS AND TYPE TIGHT WELLS, VERTICAL OR DIRECTIONAL, WITH FLOODED ANNULAR IN CASUAL OR PERMANENT FORM, SUITABLE FOR USE BETWEEN LOW AND HIGH FLUID PRESSURES RANGES [patent_app_type] => utility [patent_app_number] => 16/747121 [patent_app_country] => US [patent_app_date] => 2020-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2477 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16747121 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/747121
HEATING CABLE FOR EXTRACTION PIPES OF VISCOUS HYDROCARBONS OR PARAFFINIC IN CONVENTIONAL WELLS AND TYPE TIGHT WELLS, VERTICAL OR DIRECTIONAL, WITH FLOODED ANNULAR IN CASUAL OR PERMANENT FORM, SUITABLE FOR USE BETWEEN LOW AND HIGH FLUID PRESSURES RANGES Jan 19, 2020 Abandoned
Array ( [id] => 16261728 [patent_doc_number] => 10753152 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-08-25 [patent_title] => Rotor catch for bottomhole assembly [patent_app_type] => utility [patent_app_number] => 16/738607 [patent_app_country] => US [patent_app_date] => 2020-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 28 [patent_no_of_words] => 8332 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16738607 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/738607
Rotor catch for bottomhole assembly Jan 8, 2020 Issued
Array ( [id] => 16344274 [patent_doc_number] => 20200308924 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-01 [patent_title] => Apparatus for Preventing Unintentional Valve Operation During Wireline Operations [patent_app_type] => utility [patent_app_number] => 16/724388 [patent_app_country] => US [patent_app_date] => 2019-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4482 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16724388 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/724388
Apparatus for Preventing Unintentional Valve Operation During Wireline Operations Dec 22, 2019 Abandoned
Array ( [id] => 16157831 [patent_doc_number] => 20200217148 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-09 [patent_title] => Downhole Tool for Connecting with a Conveyance Line [patent_app_type] => utility [patent_app_number] => 16/721838 [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] => 20851 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16721838 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/721838
Downhole tool for connecting with a conveyance line Dec 18, 2019 Issued
Array ( [id] => 16855487 [patent_doc_number] => 20210156232 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => Downhole tools, multi-lateral intervention systems and methods to deploy a tubular into a lateral borehole of a multi-lateral well [patent_app_type] => utility [patent_app_number] => 16/696992 [patent_app_country] => US [patent_app_date] => 2019-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7452 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16696992 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/696992
Downhole tools, multi-lateral intervention systems and methods to deploy a tubular into a lateral borehole of a multi-lateral well Nov 25, 2019 Issued
Array ( [id] => 15682349 [patent_doc_number] => 20200095838 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-26 [patent_title] => SETTING TOOL [patent_app_type] => utility [patent_app_number] => 16/696832 [patent_app_country] => US [patent_app_date] => 2019-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4634 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16696832 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/696832
Setting tool Nov 25, 2019 Issued
Array ( [id] => 17237106 [patent_doc_number] => 11180979 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-11-23 [patent_title] => High pressure jumper manifold [patent_app_type] => utility [patent_app_number] => 16/696487 [patent_app_country] => US [patent_app_date] => 2019-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 42 [patent_no_of_words] => 8729 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 347 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16696487 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/696487
High pressure jumper manifold Nov 25, 2019 Issued
Array ( [id] => 15619961 [patent_doc_number] => 20200080385 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-12 [patent_title] => SECURING MECHANISM FOR A DRILLING ELEMENT ON A DOWNHOLE DRILLING TOOL [patent_app_type] => utility [patent_app_number] => 16/687819 [patent_app_country] => US [patent_app_date] => 2019-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10484 [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] => 16687819 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/687819
Securing mechanism for a drilling element on a downhole drilling tool Nov 18, 2019 Issued
Array ( [id] => 15619949 [patent_doc_number] => 20200080379 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-12 [patent_title] => DRILLING SPEED IMPROVEMENT DEVICE CAPABLE OF PRODUCING BOTH HYDRAULIC PULSE AND IMPACT VIBRATION [patent_app_type] => utility [patent_app_number] => 16/683496 [patent_app_country] => US [patent_app_date] => 2019-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2379 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 295 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16683496 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/683496
Drilling speed improvement device capable of producing both hydraulic pulse and impact vibration Nov 13, 2019 Issued
Array ( [id] => 17344325 [patent_doc_number] => 20220010656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-13 [patent_title] => SYSTEMS AND METHODS FOR DOWNHOLE DEPLOYMENT OF CONTAINERS [patent_app_type] => utility [patent_app_number] => 17/293618 [patent_app_country] => US [patent_app_date] => 2019-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4515 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17293618 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/293618
Systems and methods for downhole deployment of containers Nov 13, 2019 Issued
Array ( [id] => 17635469 [patent_doc_number] => 11346187 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-31 [patent_title] => Well screen for use with external communication lines [patent_app_type] => utility [patent_app_number] => 16/677250 [patent_app_country] => US [patent_app_date] => 2019-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3890 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16677250 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/677250
Well screen for use with external communication lines Nov 6, 2019 Issued
Array ( [id] => 16157891 [patent_doc_number] => 20200217178 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-09 [patent_title] => Method of Conducting Plunger Lift Operations Using a Sphere and Sleeve Plunger Combination [patent_app_type] => utility [patent_app_number] => 16/666369 [patent_app_country] => US [patent_app_date] => 2019-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8386 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16666369 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/666369
Method of conducting plunger lift operations using a sphere and sleeve plunger combination Oct 27, 2019 Issued
Array ( [id] => 18560225 [patent_doc_number] => 11725461 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Permanently installed in-well dry mate connectors with shape memory alloy technology [patent_app_type] => utility [patent_app_number] => 17/288131 [patent_app_country] => US [patent_app_date] => 2019-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2821 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17288131 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/288131
Permanently installed in-well dry mate connectors with shape memory alloy technology Oct 24, 2019 Issued
Array ( [id] => 15802741 [patent_doc_number] => 20200124513 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => Systems and Methods for Monitoring and/or Predicting Sagging Tendencies of Fluids [patent_app_type] => utility [patent_app_number] => 16/656491 [patent_app_country] => US [patent_app_date] => 2019-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6607 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16656491 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/656491
Systems and methods for monitoring and/or predicting sagging tendencies of fluids Oct 16, 2019 Issued
Array ( [id] => 16778695 [patent_doc_number] => 20210115773 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => METHODS TO IMPROVE FLUID FLOW OF A MULTI-PHASE MIXTURE, METHODS TO SEPARATE FLUIDS OF A MULTI-PHASE MIXTURE, AND MULTI-PHASE FLUID MIXTURE SYSTEMS [patent_app_type] => utility [patent_app_number] => 16/656439 [patent_app_country] => US [patent_app_date] => 2019-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8259 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16656439 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/656439
Methods to improve fluid flow of a multi-phase mixture, methods to separate fluids of a multi-phase mixture, and multi-phase fluid mixture systems Oct 16, 2019 Issued
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