Search

Daniel P. Stephenson

Examiner (ID: 10464, Phone: (571)272-7035 , Office: P/3676 )

Most Active Art Unit
3676
Art Unit(s)
3673, 3676, 3672
Total Applications
1997
Issued Applications
1667
Pending Applications
111
Abandoned Applications
237

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16541644 [patent_doc_number] => 20200408057 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => PRESSURE-RETAINING CONNECTOR USEFUL ON WELLHEADS [patent_app_type] => utility [patent_app_number] => 17/022310 [patent_app_country] => US [patent_app_date] => 2020-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16902 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 340 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17022310 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/022310
Pressure-retaining connector useful on wellheads Sep 15, 2020 Issued
Array ( [id] => 16728387 [patent_doc_number] => 20210095534 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-01 [patent_title] => COILED TUBING APPARATUS FOR OIL AND GAS WELL OPERATIONS [patent_app_type] => utility [patent_app_number] => 17/019512 [patent_app_country] => US [patent_app_date] => 2020-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4248 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17019512 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/019512
COILED TUBING APPARATUS FOR OIL AND GAS WELL OPERATIONS Sep 13, 2020 Abandoned
Array ( [id] => 17444575 [patent_doc_number] => 20220065080 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => Behind casing well perforating and isolation system and related methods [patent_app_type] => utility [patent_app_number] => 17/009559 [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] => 8067 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17009559 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/009559
Behind casing well perforating and isolation system and related methods Aug 31, 2020 Abandoned
Array ( [id] => 18216945 [patent_doc_number] => 11591871 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-02-28 [patent_title] => Electrically-actuated resettable downhole anchor and/or packer, and method of setting, releasing, and resetting [patent_app_type] => utility [patent_app_number] => 17/005591 [patent_app_country] => US [patent_app_date] => 2020-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 14534 [patent_no_of_claims] => 42 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17005591 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/005591
Electrically-actuated resettable downhole anchor and/or packer, and method of setting, releasing, and resetting Aug 27, 2020 Issued
Array ( [id] => 17906003 [patent_doc_number] => 11459851 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-04 [patent_title] => Relieving high annulus pressure using automatic pressure relief system [patent_app_type] => utility [patent_app_number] => 17/002476 [patent_app_country] => US [patent_app_date] => 2020-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3018 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17002476 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/002476
Relieving high annulus pressure using automatic pressure relief system Aug 24, 2020 Issued
Array ( [id] => 19551246 [patent_doc_number] => 12134946 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-05 [patent_title] => Wellbore production method and system using bailer [patent_app_type] => utility [patent_app_number] => 17/642100 [patent_app_country] => US [patent_app_date] => 2020-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4500 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 405 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17642100 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/642100
Wellbore production method and system using bailer Aug 20, 2020 Issued
Array ( [id] => 17414684 [patent_doc_number] => 20220049588 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-17 [patent_title] => CARTRIDGE SYSTEM AND METHOD FOR SETTING A TOOL [patent_app_type] => utility [patent_app_number] => 16/991877 [patent_app_country] => US [patent_app_date] => 2020-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2928 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16991877 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/991877
Cartridge system and method for setting a tool Aug 11, 2020 Issued
Array ( [id] => 16453422 [patent_doc_number] => 20200362848 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => BOREHOLE PUMP AND METHOD OF USING THE SAME [patent_app_type] => utility [patent_app_number] => 16/984211 [patent_app_country] => US [patent_app_date] => 2020-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8728 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 16984211 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/984211
Borehole pump and method of using the same Aug 3, 2020 Issued
Array ( [id] => 16614302 [patent_doc_number] => 20210032955 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => ANTI-EXTRUSION SLIP ASSEMBLIES FOR A DOWNHOLE SEALING DEVICE [patent_app_type] => utility [patent_app_number] => 16/945377 [patent_app_country] => US [patent_app_date] => 2020-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9033 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16945377 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/945377
Anti-extrusion slip assemblies for a downhole sealing device Jul 30, 2020 Issued
Array ( [id] => 17490843 [patent_doc_number] => 11280136 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-22 [patent_title] => Rolling depth of cut controller with clamshell retainer and solid diamond rolling element [patent_app_type] => utility [patent_app_number] => 16/943760 [patent_app_country] => US [patent_app_date] => 2020-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 8818 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16943760 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/943760
Rolling depth of cut controller with clamshell retainer and solid diamond rolling element Jul 29, 2020 Issued
Array ( [id] => 16614309 [patent_doc_number] => 20210032962 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => PERFORATING GUN AND SYSTEM AND METHOD FOR USING THE SAME [patent_app_type] => utility [patent_app_number] => 16/943503 [patent_app_country] => US [patent_app_date] => 2020-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5722 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16943503 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/943503
Perforating gun and system and method for using the same Jul 29, 2020 Issued
Array ( [id] => 17357442 [patent_doc_number] => 20220018238 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-20 [patent_title] => GEOSTEERING TOOL ASSEMBLIES HAVING AUTO NAVIGATION DRILL-CRUISE, BOTTOM HOLE ASSEMBLIES, AND METHODS FOR DOWNHOLE GENERATION OF STEERING COMMANDS [patent_app_type] => utility [patent_app_number] => 16/932092 [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] => 6958 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16932092 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/932092
GEOSTEERING TOOL ASSEMBLIES HAVING AUTO NAVIGATION DRILL-CRUISE, BOTTOM HOLE ASSEMBLIES, AND METHODS FOR DOWNHOLE GENERATION OF STEERING COMMANDS Jul 16, 2020 Abandoned
Array ( [id] => 17357429 [patent_doc_number] => 20220018225 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-20 [patent_title] => ADJUSTABLE STRENGTH SHOCK ABSORBER SYSTEM FOR DOWNHOLE BALLISTICS [patent_app_type] => utility [patent_app_number] => 16/929627 [patent_app_country] => US [patent_app_date] => 2020-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3025 [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] => 16929627 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/929627
Adjustable strength shock absorber system for downhole ballistics Jul 14, 2020 Issued
Array ( [id] => 17344323 [patent_doc_number] => 20220010654 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-13 [patent_title] => DOWNHOLE SCALE AND CORROSION MITIGATION [patent_app_type] => utility [patent_app_number] => 16/922653 [patent_app_country] => US [patent_app_date] => 2020-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3099 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 16922653 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/922653
Downhole scale and corrosion mitigation Jul 6, 2020 Issued
Array ( [id] => 17743046 [patent_doc_number] => 11391105 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-19 [patent_title] => Downhole pulse generation [patent_app_type] => utility [patent_app_number] => 16/919232 [patent_app_country] => US [patent_app_date] => 2020-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 18 [patent_no_of_words] => 15538 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16919232 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/919232
Downhole pulse generation Jul 1, 2020 Issued
Array ( [id] => 16614306 [patent_doc_number] => 20210032959 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => MOVEABLE BOP TRANSPORT SKID [patent_app_type] => utility [patent_app_number] => 16/918701 [patent_app_country] => US [patent_app_date] => 2020-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7062 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16918701 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/918701
MOVEABLE BOP TRANSPORT SKID Jun 30, 2020 Abandoned
Array ( [id] => 17673897 [patent_doc_number] => 20220187064 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2022-06-16 [patent_title] => METHOD AND APPARATUS FOR DETERMINING A TUBULAR THICKNESS USING A PULSE ECHO WAVEFORM SIGNAL [patent_app_type] => utility [patent_app_number] => 16/916434 [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] => 7817 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16916434 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/916434
Method and apparatus for determining a tubular thickness using a pulse echo waveform signal Jun 29, 2020 Issued
Array ( [id] => 17673897 [patent_doc_number] => 20220187064 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2022-06-16 [patent_title] => METHOD AND APPARATUS FOR DETERMINING A TUBULAR THICKNESS USING A PULSE ECHO WAVEFORM SIGNAL [patent_app_type] => utility [patent_app_number] => 16/916434 [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] => 7817 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16916434 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/916434
Method and apparatus for determining a tubular thickness using a pulse echo waveform signal Jun 29, 2020 Issued
Array ( [id] => 17860255 [patent_doc_number] => 11441407 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-13 [patent_title] => Sheath encapsulation to convey acid to formation fracture [patent_app_type] => utility [patent_app_number] => 16/901790 [patent_app_country] => US [patent_app_date] => 2020-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 5467 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16901790 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/901790
Sheath encapsulation to convey acid to formation fracture Jun 14, 2020 Issued
Array ( [id] => 17275136 [patent_doc_number] => 20210381334 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-09 [patent_title] => Sealing Element Support Rings for Downhole Packers [patent_app_type] => utility [patent_app_number] => 16/896185 [patent_app_country] => US [patent_app_date] => 2020-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4637 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16896185 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/896185
Sealing element support rings for downhole packers Jun 7, 2020 Issued
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