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] => 13524529 [patent_doc_number] => 20180313807 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-01 [patent_title] => TIME-SERIES GEOCHEMISTRY IN UNCONVENTIONAL PLAYS [patent_app_type] => utility [patent_app_number] => 15/963757 [patent_app_country] => US [patent_app_date] => 2018-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9637 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -34 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15963757 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/963757
Time-series geochemistry in unconventional plays Apr 25, 2018 Issued
Array ( [id] => 13566681 [patent_doc_number] => 20180334888 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-22 [patent_title] => Perforated Wire Wrapped Screen Support Rib [patent_app_type] => utility [patent_app_number] => 15/962851 [patent_app_country] => US [patent_app_date] => 2018-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3157 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15962851 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/962851
Perforated Wire Wrapped Screen Support Rib Apr 24, 2018 Abandoned
Array ( [id] => 13511425 [patent_doc_number] => 20180307255 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-25 [patent_title] => HIGH PRESSURE MANIFOLD, ASSEMBLY, SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 15/962441 [patent_app_country] => US [patent_app_date] => 2018-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12653 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15962441 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/962441
High pressure manifold, assembly, system and method Apr 24, 2018 Issued
Array ( [id] => 16429925 [patent_doc_number] => 10830000 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-10 [patent_title] => Extrudate-producing ridged cutting element [patent_app_type] => utility [patent_app_number] => 15/962929 [patent_app_country] => US [patent_app_date] => 2018-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 28 [patent_no_of_words] => 6764 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15962929 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/962929
Extrudate-producing ridged cutting element Apr 24, 2018 Issued
Array ( [id] => 15022675 [patent_doc_number] => 20190322342 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-24 [patent_title] => Oil Field Well Downhole Drone [patent_app_type] => utility [patent_app_number] => 15/960760 [patent_app_country] => US [patent_app_date] => 2018-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5273 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15960760 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/960760
Oil field well downhole drone Apr 23, 2018 Issued
Array ( [id] => 16476670 [patent_doc_number] => 10851600 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-01 [patent_title] => Stop collar attachment [patent_app_type] => utility [patent_app_number] => 15/961304 [patent_app_country] => US [patent_app_date] => 2018-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 25 [patent_no_of_words] => 13845 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15961304 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/961304
Stop collar attachment Apr 23, 2018 Issued
Array ( [id] => 15024627 [patent_doc_number] => 20190323318 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-24 [patent_title] => SYSTEM AND METHOD FOR PREVENTING INADVERTENT VALVE CLOSURES [patent_app_type] => utility [patent_app_number] => 15/961580 [patent_app_country] => US [patent_app_date] => 2018-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4877 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15961580 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/961580
System and method for preventing inadvertent valve closures Apr 23, 2018 Issued
Array ( [id] => 16999943 [patent_doc_number] => 11078744 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-03 [patent_title] => Downhole plug [patent_app_type] => utility [patent_app_number] => 15/961359 [patent_app_country] => US [patent_app_date] => 2018-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1571 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15961359 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/961359
Downhole plug Apr 23, 2018 Issued
Array ( [id] => 15978971 [patent_doc_number] => 10669798 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-02 [patent_title] => Method to mitigate a stuck pipe during drilling operations [patent_app_type] => utility [patent_app_number] => 15/960716 [patent_app_country] => US [patent_app_date] => 2018-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4745 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15960716 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/960716
Method to mitigate a stuck pipe during drilling operations Apr 23, 2018 Issued
Array ( [id] => 14665375 [patent_doc_number] => 10370578 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-06 [patent_title] => Method of encapsulating signaling agents for use downhole [patent_app_type] => utility [patent_app_number] => 15/914083 [patent_app_country] => US [patent_app_date] => 2018-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4475 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15914083 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/914083
Method of encapsulating signaling agents for use downhole Mar 6, 2018 Issued
Array ( [id] => 17541440 [patent_doc_number] => 11306554 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-19 [patent_title] => Zonal isolation device with expansion ring [patent_app_type] => utility [patent_app_number] => 16/964805 [patent_app_country] => US [patent_app_date] => 2018-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 10598 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16964805 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/964805
Zonal isolation device with expansion ring Feb 26, 2018 Issued
Array ( [id] => 13014705 [patent_doc_number] => 10030461 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-24 [patent_title] => Constricting wedge design for pressure-retaining seal [patent_app_type] => utility [patent_app_number] => 15/902203 [patent_app_country] => US [patent_app_date] => 2018-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 33 [patent_no_of_words] => 16849 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15902203 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/902203
Constricting wedge design for pressure-retaining seal Feb 21, 2018 Issued
Array ( [id] => 13344181 [patent_doc_number] => 20180223630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-09 [patent_title] => DRILL STRING MOUNTABLE WELLBORE CLEANUP APPARATUS AND METHOD [patent_app_type] => utility [patent_app_number] => 15/888287 [patent_app_country] => US [patent_app_date] => 2018-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8638 [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] => 15888287 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/888287
Drill string mountable wellbore cleanup apparatus and method Feb 4, 2018 Issued
Array ( [id] => 13623783 [patent_doc_number] => 20180363443 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-20 [patent_title] => HORIZONTAL DIRECTIONAL DRILL WITH ASSISTED MODE AND RELATED METHODS [patent_app_type] => utility [patent_app_number] => 15/884799 [patent_app_country] => US [patent_app_date] => 2018-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11808 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15884799 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/884799
Horizontal directional drill with assisted mode and related methods Jan 30, 2018 Issued
Array ( [id] => 14654153 [patent_doc_number] => 20190234205 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-01 [patent_title] => METHOD TO COMPUTE DENSITY OF FRACTURES FROM IMAGE LOGS [patent_app_type] => utility [patent_app_number] => 15/883700 [patent_app_country] => US [patent_app_date] => 2018-01-30 [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] => -16 [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] => 15883700 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/883700
Method to compute density of fractures from image logs Jan 29, 2018 Issued
Array ( [id] => 16261929 [patent_doc_number] => 10753355 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-25 [patent_title] => Borehole pump and method of using the same [patent_app_type] => utility [patent_app_number] => 15/883139 [patent_app_country] => US [patent_app_date] => 2018-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 8671 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15883139 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/883139
Borehole pump and method of using the same Jan 29, 2018 Issued
Array ( [id] => 13329751 [patent_doc_number] => 20180216413 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-02 [patent_title] => Telescopic Deployment Mast [patent_app_type] => utility [patent_app_number] => 15/882654 [patent_app_country] => US [patent_app_date] => 2018-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6732 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15882654 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/882654
Telescopic deployment mast Jan 28, 2018 Issued
Array ( [id] => 13329803 [patent_doc_number] => 20180216439 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-02 [patent_title] => Cleaning Wellbore Perforation Clusters And Reservoir Fractures [patent_app_type] => utility [patent_app_number] => 15/880711 [patent_app_country] => US [patent_app_date] => 2018-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7829 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15880711 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/880711
Cleaning wellbore perforation clusters and reservoir fractures Jan 25, 2018 Issued
Array ( [id] => 14627205 [patent_doc_number] => 20190226970 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-25 [patent_title] => EVALUATING STRESS-DEPENDENT PERMEABILITY IN UNSTEADY-STATE CONDITIONS AND/OR QUALITY OF MICROPROPPANT PLACEMENT IN SUBTERRANEAN FORMATIONS [patent_app_type] => utility [patent_app_number] => 15/879863 [patent_app_country] => US [patent_app_date] => 2018-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9145 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15879863 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/879863
Evaluating stress-dependent permeability in unsteady-state conditions and/or quality of microproppant placement in subterranean formations Jan 24, 2018 Issued
Array ( [id] => 13000929 [patent_doc_number] => 10024126 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-17 [patent_title] => Downhole tool and method of use [patent_app_type] => utility [patent_app_number] => 15/877506 [patent_app_country] => US [patent_app_date] => 2018-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 66 [patent_no_of_words] => 22290 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15877506 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/877506
Downhole tool and method of use Jan 22, 2018 Issued
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