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] => 16673826 [patent_doc_number] => 20210062589 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => WIRELINE PACKOFF FOR A DOWNHOLE ELECTRICAL TOOL [patent_app_type] => utility [patent_app_number] => 17/006332 [patent_app_country] => US [patent_app_date] => 2020-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11221 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17006332 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/006332
WIRELINE PACKOFF FOR A DOWNHOLE ELECTRICAL TOOL Aug 27, 2020 Abandoned
Array ( [id] => 18917025 [patent_doc_number] => 11879297 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Thread formation for coupling downhole tools [patent_app_type] => utility [patent_app_number] => 17/637757 [patent_app_country] => US [patent_app_date] => 2020-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 4846 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17637757 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/637757
Thread formation for coupling downhole tools Aug 26, 2020 Issued
Array ( [id] => 17090240 [patent_doc_number] => 11118420 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-09-14 [patent_title] => Top pot assembly [patent_app_type] => utility [patent_app_number] => 16/997469 [patent_app_country] => US [patent_app_date] => 2020-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 20 [patent_no_of_words] => 6374 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16997469 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/997469
Top pot assembly Aug 18, 2020 Issued
Array ( [id] => 17860221 [patent_doc_number] => 11441372 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-13 [patent_title] => Inward biased tubing hanger [patent_app_type] => utility [patent_app_number] => 16/995303 [patent_app_country] => US [patent_app_date] => 2020-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 2971 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16995303 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/995303
Inward biased tubing hanger Aug 16, 2020 Issued
Array ( [id] => 18888243 [patent_doc_number] => 11867009 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-09 [patent_title] => Autonomous downhole robotic conveyance platform [patent_app_type] => utility [patent_app_number] => 16/993515 [patent_app_country] => US [patent_app_date] => 2020-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 8018 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 584 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16993515 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/993515
Autonomous downhole robotic conveyance platform Aug 13, 2020 Issued
Array ( [id] => 17785114 [patent_doc_number] => 11408228 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-09 [patent_title] => Methods and systems for improving confidence in automated steering guidance [patent_app_type] => utility [patent_app_number] => 16/993026 [patent_app_country] => US [patent_app_date] => 2020-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 17205 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16993026 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/993026
Methods and systems for improving confidence in automated steering guidance Aug 12, 2020 Issued
Array ( [id] => 17876055 [patent_doc_number] => 11448059 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-20 [patent_title] => Production logging tool [patent_app_type] => utility [patent_app_number] => 16/986678 [patent_app_country] => US [patent_app_date] => 2020-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 9323 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16986678 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/986678
Production logging tool Aug 5, 2020 Issued
Array ( [id] => 16840204 [patent_doc_number] => 20210148216 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-20 [patent_title] => Downhole Dynamometer [patent_app_type] => utility [patent_app_number] => 16/983852 [patent_app_country] => US [patent_app_date] => 2020-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6511 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16983852 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/983852
Downhole dynamometer Aug 2, 2020 Issued
Array ( [id] => 17808106 [patent_doc_number] => 20220259941 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => PORT FREE HYDRAULIC UNIBODY SYSTEM AND METHODOLOGY FOR USE IN A WELL [patent_app_type] => utility [patent_app_number] => 17/597600 [patent_app_country] => US [patent_app_date] => 2020-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3098 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17597600 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/597600
Port free hydraulic unibody system and methodology for use in a well Jul 16, 2020 Issued
Array ( [id] => 17743043 [patent_doc_number] => 11391102 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-19 [patent_title] => Well pipe removal and storage device, system and method [patent_app_type] => utility [patent_app_number] => 16/931187 [patent_app_country] => US [patent_app_date] => 2020-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5929 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16931187 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/931187
Well pipe removal and storage device, system and method Jul 15, 2020 Issued
Array ( [id] => 16484591 [patent_doc_number] => 20200378192 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => CONTACT MODULE FOR COMMUNICATING WITH A DOWNHOLE DEVICE [patent_app_type] => utility [patent_app_number] => 16/925825 [patent_app_country] => US [patent_app_date] => 2020-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8144 [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] => 16925825 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/925825
Contact module for communicating with a downhole device Jul 9, 2020 Issued
Array ( [id] => 16391695 [patent_doc_number] => 20200332636 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-22 [patent_title] => APPARATUS AND METHOD OF FOCUSED IN-SITU ELECTRICAL HEATING OF HYDROCARBON BEARING FORMATIONS [patent_app_type] => utility [patent_app_number] => 16/916522 [patent_app_country] => US [patent_app_date] => 2020-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2678 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16916522 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/916522
Apparatus and method of focused in-situ electrical heating of hydrocarbon bearing formations Jun 29, 2020 Issued
Array ( [id] => 17315215 [patent_doc_number] => 20210404263 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-30 [patent_title] => JOINTED PIPE INCLUDING AN RF HEATING SYSTEM [patent_app_type] => utility [patent_app_number] => 16/914639 [patent_app_country] => US [patent_app_date] => 2020-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5352 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16914639 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/914639
JOINTED PIPE INCLUDING AN RF HEATING SYSTEM Jun 28, 2020 Abandoned
Array ( [id] => 18740286 [patent_doc_number] => 20230349263 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => VALVE AND METHOD FOR MULTI-STAGE WELL STIMULATION [patent_app_type] => utility [patent_app_number] => 18/012148 [patent_app_country] => US [patent_app_date] => 2020-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9763 [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] => 18012148 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/012148
Valve and method for multi-stage well stimulation Jun 25, 2020 Issued
Array ( [id] => 18740286 [patent_doc_number] => 20230349263 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => VALVE AND METHOD FOR MULTI-STAGE WELL STIMULATION [patent_app_type] => utility [patent_app_number] => 18/012148 [patent_app_country] => US [patent_app_date] => 2020-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9763 [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] => 18012148 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/012148
Valve and method for multi-stage well stimulation Jun 25, 2020 Issued
Array ( [id] => 16525938 [patent_doc_number] => 20200400018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => DEVICE FOR EXTRACTING GAS FROM A DRILLING FLUID FOR A SYSTEM FOR CONDUCTING SUBTERRANEAN DRILLING OPERATIONS [patent_app_type] => utility [patent_app_number] => 16/905444 [patent_app_country] => US [patent_app_date] => 2020-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11155 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16905444 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/905444
DEVICE FOR EXTRACTING GAS FROM A DRILLING FLUID FOR A SYSTEM FOR CONDUCTING SUBTERRANEAN DRILLING OPERATIONS Jun 17, 2020 Abandoned
Array ( [id] => 16513537 [patent_doc_number] => 20200392795 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-17 [patent_title] => EARTH-BORING TOOLS FOR COUPLING TO CASINGS AND RELATED SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 16/902882 [patent_app_country] => US [patent_app_date] => 2020-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4565 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16902882 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/902882
EARTH-BORING TOOLS FOR COUPLING TO CASINGS AND RELATED SYSTEMS AND METHODS Jun 15, 2020 Pending
Array ( [id] => 16513537 [patent_doc_number] => 20200392795 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-17 [patent_title] => EARTH-BORING TOOLS FOR COUPLING TO CASINGS AND RELATED SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 16/902882 [patent_app_country] => US [patent_app_date] => 2020-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4565 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16902882 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/902882
EARTH-BORING TOOLS FOR COUPLING TO CASINGS AND RELATED SYSTEMS AND METHODS Jun 15, 2020 Pending
Array ( [id] => 18980627 [patent_doc_number] => 11905788 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Cementing and sand control system and methodology [patent_app_type] => utility [patent_app_number] => 17/596428 [patent_app_country] => US [patent_app_date] => 2020-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 4630 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17596428 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/596428
Cementing and sand control system and methodology Jun 9, 2020 Issued
Array ( [id] => 18399696 [patent_doc_number] => 11661825 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-30 [patent_title] => Hybrid stimulation tool and related methods [patent_app_type] => utility [patent_app_number] => 16/891539 [patent_app_country] => US [patent_app_date] => 2020-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 6178 [patent_no_of_claims] => 21 [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] => 16891539 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/891539
Hybrid stimulation tool and related methods Jun 2, 2020 Issued
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