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] => 16606450 [patent_doc_number] => 10907447 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-02 [patent_title] => Multi-cycle wellbore clean-out tool [patent_app_type] => utility [patent_app_number] => 16/280364 [patent_app_country] => US [patent_app_date] => 2019-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 35 [patent_no_of_words] => 15225 [patent_no_of_claims] => 45 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16280364 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/280364
Multi-cycle wellbore clean-out tool Feb 19, 2019 Issued
Array ( [id] => 16492872 [patent_doc_number] => 10858901 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-12-08 [patent_title] => Remotely operated connecting assembly and method [patent_app_type] => utility [patent_app_number] => 16/279444 [patent_app_country] => US [patent_app_date] => 2019-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 16 [patent_no_of_words] => 6226 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 495 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16279444 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/279444
Remotely operated connecting assembly and method Feb 18, 2019 Issued
Array ( [id] => 14994973 [patent_doc_number] => 20190316444 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-17 [patent_title] => Coiled Tubing Assembly [patent_app_type] => utility [patent_app_number] => 16/278279 [patent_app_country] => US [patent_app_date] => 2019-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6549 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16278279 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/278279
Coiled Tubing Assembly Feb 17, 2019 Abandoned
Array ( [id] => 16254134 [patent_doc_number] => 20200263508 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-20 [patent_title] => CORROSION AND ABRASION RESISTANT SUCKER ROD [patent_app_type] => utility [patent_app_number] => 16/276658 [patent_app_country] => US [patent_app_date] => 2019-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4154 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16276658 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/276658
CORROSION AND ABRASION RESISTANT SUCKER ROD Feb 14, 2019 Abandoned
Array ( [id] => 16254150 [patent_doc_number] => 20200263524 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-20 [patent_title] => ELECTRONIC SUBMERSIBLE PUMPS FOR OIL AND GAS APPLICATIONS [patent_app_type] => utility [patent_app_number] => 16/276243 [patent_app_country] => US [patent_app_date] => 2019-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3294 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16276243 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/276243
Electronic submersible pumps for oil and gas applications Feb 13, 2019 Issued
Array ( [id] => 16704803 [patent_doc_number] => 10954725 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-23 [patent_title] => Multiple position drilling stabilizer [patent_app_type] => utility [patent_app_number] => 16/276046 [patent_app_country] => US [patent_app_date] => 2019-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 4679 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16276046 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/276046
Multiple position drilling stabilizer Feb 13, 2019 Issued
Array ( [id] => 14376247 [patent_doc_number] => 20190162036 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-30 [patent_title] => TOOL CONFIGURED TO DISSOLVE IN A SELECTED SUBSURFACE ENVIRONMENT [patent_app_type] => utility [patent_app_number] => 16/265293 [patent_app_country] => US [patent_app_date] => 2019-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15255 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16265293 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/265293
Tool configured to dissolve in a selected subsurface environment Jan 31, 2019 Issued
Array ( [id] => 14376239 [patent_doc_number] => 20190162032 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-30 [patent_title] => DOWNHOLE TOOL AND METHOD OF USE [patent_app_type] => utility [patent_app_number] => 16/261751 [patent_app_country] => US [patent_app_date] => 2019-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21978 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16261751 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/261751
Downhole tool and method of use Jan 29, 2019 Issued
Array ( [id] => 15754711 [patent_doc_number] => 10619454 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-14 [patent_title] => Drill string mountable wellbore cleanup apparatus and method [patent_app_type] => utility [patent_app_number] => 16/259617 [patent_app_country] => US [patent_app_date] => 2019-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 45 [patent_no_of_words] => 8647 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16259617 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/259617
Drill string mountable wellbore cleanup apparatus and method Jan 27, 2019 Issued
Array ( [id] => 14747985 [patent_doc_number] => 20190257166 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-22 [patent_title] => GRADUAL IMPULSE FLUID PULSE VALVE [patent_app_type] => utility [patent_app_number] => 16/258076 [patent_app_country] => US [patent_app_date] => 2019-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4444 [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] => 16258076 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/258076
GRADUAL IMPULSE FLUID PULSE VALVE Jan 24, 2019 Abandoned
Array ( [id] => 16786632 [patent_doc_number] => 10989049 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-27 [patent_title] => Apparatus and methods for high quality analysis of reservoir fluids [patent_app_type] => utility [patent_app_number] => 16/617014 [patent_app_country] => US [patent_app_date] => 2019-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3722 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16617014 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/617014
Apparatus and methods for high quality analysis of reservoir fluids Jan 15, 2019 Issued
Array ( [id] => 14310961 [patent_doc_number] => 20190145184 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-16 [patent_title] => DYNAMIC WEAR PREDICTION FOR FIXED CUTTER DRILL BITS [patent_app_type] => utility [patent_app_number] => 16/247788 [patent_app_country] => US [patent_app_date] => 2019-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5149 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16247788 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/247788
Dynamic wear prediction for fixed cutter drill bits Jan 14, 2019 Issued
Array ( [id] => 16598737 [patent_doc_number] => 20210025268 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => DRILLING CASING AND METHOD OF PERFORMING FAST DRILLING AND COMPLETION OF LARGE-BOREHOLE MULTILATERAL WELL [patent_app_type] => utility [patent_app_number] => 16/757569 [patent_app_country] => US [patent_app_date] => 2018-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2611 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16757569 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/757569
Drilling casing and method of performing fast drilling and completion of large-borehole multilateral well Dec 30, 2018 Issued
Array ( [id] => 15483961 [patent_doc_number] => 10557315 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-11 [patent_title] => Methods and apparatus for operatively mounting actuators to pipe [patent_app_type] => utility [patent_app_number] => 16/231235 [patent_app_country] => US [patent_app_date] => 2018-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 55 [patent_no_of_words] => 17515 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16231235 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/231235
Methods and apparatus for operatively mounting actuators to pipe Dec 20, 2018 Issued
Array ( [id] => 18233615 [patent_doc_number] => 11598164 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-07 [patent_title] => Flexible basket drill bit breaker [patent_app_type] => utility [patent_app_number] => 17/276402 [patent_app_country] => US [patent_app_date] => 2018-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 3771 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17276402 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/276402
Flexible basket drill bit breaker Dec 19, 2018 Issued
Array ( [id] => 17556498 [patent_doc_number] => 11313182 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-26 [patent_title] => System and method for centralizing a tool in a wellbore [patent_app_type] => utility [patent_app_number] => 16/686271 [patent_app_country] => US [patent_app_date] => 2018-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 5321 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16686271 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/686271
System and method for centralizing a tool in a wellbore Dec 19, 2018 Issued
Array ( [id] => 15817565 [patent_doc_number] => 10633950 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-28 [patent_title] => Method and apparatus for dropping a pump down plug or ball [patent_app_type] => utility [patent_app_number] => 16/225945 [patent_app_country] => US [patent_app_date] => 2018-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 47 [patent_no_of_words] => 7151 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 274 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16225945 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/225945
Method and apparatus for dropping a pump down plug or ball Dec 18, 2018 Issued
Array ( [id] => 18637160 [patent_doc_number] => 11761749 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Strain magnification [patent_app_type] => utility [patent_app_number] => 17/268019 [patent_app_country] => US [patent_app_date] => 2018-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3852 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17268019 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/268019
Strain magnification Dec 12, 2018 Issued
Array ( [id] => 17185775 [patent_doc_number] => 20210332660 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => SEALING ASSEMBLY [patent_app_type] => utility [patent_app_number] => 16/496980 [patent_app_country] => US [patent_app_date] => 2018-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3918 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16496980 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/496980
Sealing assembly Dec 12, 2018 Issued
Array ( [id] => 16329110 [patent_doc_number] => 20200300076 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => Accelerometer Systems And Methods For Rotating Downhole Tools [patent_app_type] => utility [patent_app_number] => 16/651575 [patent_app_country] => US [patent_app_date] => 2018-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7162 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16651575 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/651575
Accelerometer systems and methods for rotating downhole tools Nov 28, 2018 Issued
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