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] => 18173050 [patent_doc_number] => 11572752 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-07 [patent_title] => Downhole cable deployment [patent_app_type] => utility [patent_app_number] => 17/184232 [patent_app_country] => US [patent_app_date] => 2021-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 5644 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 329 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17184232 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/184232
Downhole cable deployment Feb 23, 2021 Issued
Array ( [id] => 17713926 [patent_doc_number] => 11377911 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-05 [patent_title] => Fixed cutter drill bits including nozzles with end and side exits [patent_app_type] => utility [patent_app_number] => 17/169720 [patent_app_country] => US [patent_app_date] => 2021-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 8681 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 329 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17169720 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/169720
Fixed cutter drill bits including nozzles with end and side exits Feb 7, 2021 Issued
Array ( [id] => 18605156 [patent_doc_number] => 11746612 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Devices, systems, and methods for selectively engaging downhole tool for wellbore operations [patent_app_type] => utility [patent_app_number] => 17/163067 [patent_app_country] => US [patent_app_date] => 2021-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 34 [patent_no_of_words] => 21543 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17163067 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/163067
Devices, systems, and methods for selectively engaging downhole tool for wellbore operations Jan 28, 2021 Issued
Array ( [id] => 16840190 [patent_doc_number] => 20210148202 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-20 [patent_title] => ELECTRICAL SUBMERSIBLE PUMP WITH GAS VENTING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/158791 [patent_app_country] => US [patent_app_date] => 2021-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5336 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17158791 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/158791
ELECTRICAL SUBMERSIBLE PUMP WITH GAS VENTING SYSTEM Jan 25, 2021 Abandoned
Array ( [id] => 17762035 [patent_doc_number] => 20220235647 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => DOWNHOLE COUPON HOLDER [patent_app_type] => utility [patent_app_number] => 17/155735 [patent_app_country] => US [patent_app_date] => 2021-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10363 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17155735 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/155735
Downhole coupon holder Jan 21, 2021 Issued
Array ( [id] => 19121412 [patent_doc_number] => 11965383 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-04-23 [patent_title] => Tri-axial shock absorber sub [patent_app_type] => utility [patent_app_number] => 17/148117 [patent_app_country] => US [patent_app_date] => 2021-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 21 [patent_no_of_words] => 4171 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17148117 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/148117
Tri-axial shock absorber sub Jan 12, 2021 Issued
Array ( [id] => 17657752 [patent_doc_number] => 20220178217 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => RELEASING TUBULARS IN WELLBORES USING DOWNHOLE RELEASE TOOLS [patent_app_type] => utility [patent_app_number] => 17/112226 [patent_app_country] => US [patent_app_date] => 2020-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9068 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17112226 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/112226
Releasing tubulars in wellbores using downhole release tools Dec 3, 2020 Issued
Array ( [id] => 16878546 [patent_doc_number] => 11028683 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-06-08 [patent_title] => Downhole pump gas eliminating seating nipple system [patent_app_type] => utility [patent_app_number] => 17/110552 [patent_app_country] => US [patent_app_date] => 2020-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 8999 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17110552 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/110552
Downhole pump gas eliminating seating nipple system Dec 2, 2020 Issued
Array ( [id] => 16840165 [patent_doc_number] => 20210148177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-20 [patent_title] => Dual Rod Assembly and Collar Installation Method [patent_app_type] => utility [patent_app_number] => 16/950157 [patent_app_country] => US [patent_app_date] => 2020-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2799 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16950157 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/950157
Dual rod assembly and collar installation method Nov 16, 2020 Issued
Array ( [id] => 16824980 [patent_doc_number] => 20210140273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => TORSIONAL FLOW INDUCER [patent_app_type] => utility [patent_app_number] => 17/093560 [patent_app_country] => US [patent_app_date] => 2020-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11988 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17093560 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/093560
TORSIONAL FLOW INDUCER Nov 8, 2020 Pending
Array ( [id] => 17579482 [patent_doc_number] => 20220136337 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => DOWNHOLE ELECTRICAL CONDUCTOR MOVEMENT ARRESTOR [patent_app_type] => utility [patent_app_number] => 17/090184 [patent_app_country] => US [patent_app_date] => 2020-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5041 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17090184 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/090184
DOWNHOLE ELECTRICAL CONDUCTOR MOVEMENT ARRESTOR Nov 4, 2020 Pending
Array ( [id] => 18129165 [patent_doc_number] => 11555366 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-17 [patent_title] => Drill pipe string conveyed retrievable plug system [patent_app_type] => utility [patent_app_number] => 17/084331 [patent_app_country] => US [patent_app_date] => 2020-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5998 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17084331 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/084331
Drill pipe string conveyed retrievable plug system Oct 28, 2020 Issued
Array ( [id] => 19339615 [patent_doc_number] => 12049796 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-30 [patent_title] => Crown plug securement system [patent_app_type] => utility [patent_app_number] => 17/769240 [patent_app_country] => US [patent_app_date] => 2020-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7338 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17769240 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/769240
Crown plug securement system Oct 14, 2020 Issued
Array ( [id] => 17845401 [patent_doc_number] => 11434760 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-06 [patent_title] => Real time gas measurement sub [patent_app_type] => utility [patent_app_number] => 17/069096 [patent_app_country] => US [patent_app_date] => 2020-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5206 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17069096 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/069096
Real time gas measurement sub Oct 12, 2020 Issued
Array ( [id] => 17534184 [patent_doc_number] => 20220112793 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => SELECTIVE HEATING OF FLUID COMPONENTS WITH MICROWAVES TO CHANGE VISCOSITY RATIO IN DOWNHOLE FLUID DEVICES [patent_app_type] => utility [patent_app_number] => 17/068462 [patent_app_country] => US [patent_app_date] => 2020-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4471 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17068462 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/068462
Selective heating of fluid components with microwaves to change viscosity ratio in downhole fluid devices Oct 11, 2020 Issued
Array ( [id] => 17521007 [patent_doc_number] => 20220106856 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => METHOD OF SECURING A WELL WITH SHALLOW LEAK IN UPWARD CROSS FLOW [patent_app_type] => utility [patent_app_number] => 17/062862 [patent_app_country] => US [patent_app_date] => 2020-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6888 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17062862 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/062862
Method of securing a well with shallow leak in upward cross flow Oct 4, 2020 Issued
Array ( [id] => 17505826 [patent_doc_number] => 20220098929 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => Tapered Transitional Radial Support for Drilling Tools [patent_app_type] => utility [patent_app_number] => 17/036192 [patent_app_country] => US [patent_app_date] => 2020-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3971 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17036192 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/036192
Tapered Transitional Radial Support for Drilling Tools Sep 28, 2020 Abandoned
Array ( [id] => 16712589 [patent_doc_number] => 20210079736 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-18 [patent_title] => VIBRATION ISOLATING COUPLER FOR REDUCING VIBRATIONS IN A DRILL STRING [patent_app_type] => utility [patent_app_number] => 17/018087 [patent_app_country] => US [patent_app_date] => 2020-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11141 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17018087 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/018087
Vibration isolating coupler for reducing vibrations in a drill string Sep 10, 2020 Issued
Array ( [id] => 17852550 [patent_doc_number] => 20220282592 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => METHOD OF ABANDONING A WELL [patent_app_type] => utility [patent_app_number] => 17/638047 [patent_app_country] => US [patent_app_date] => 2020-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3593 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17638047 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/638047
METHOD OF ABANDONING A WELL Aug 31, 2020 Abandoned
Array ( [id] => 17906035 [patent_doc_number] => 11459883 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-04 [patent_title] => Plasma chemistry derived formation rock evaluation for pulse power drilling [patent_app_type] => utility [patent_app_number] => 17/006254 [patent_app_country] => US [patent_app_date] => 2020-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 23339 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17006254 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/006254
Plasma chemistry derived formation rock evaluation for pulse power drilling Aug 27, 2020 Issued
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