Search

David T Brooks

Examiner (ID: 14392, Phone: (571)272-3334 , Office: P/2156 )

Most Active Art Unit
2156
Art Unit(s)
2156, 2100
Total Applications
271
Issued Applications
185
Pending Applications
0
Abandoned Applications
85

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16246265 [patent_doc_number] => 10745607 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-18 [patent_title] => Biodegradable additive suitable for use in wellbore fluids [patent_app_type] => utility [patent_app_number] => 15/666567 [patent_app_country] => US [patent_app_date] => 2017-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8107 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15666567 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/666567
Biodegradable additive suitable for use in wellbore fluids Aug 1, 2017 Issued
Array ( [id] => 12138400 [patent_doc_number] => 20180016484 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-18 [patent_title] => 'HIGH DENSITY CLEAR BRINE FLUIDS' [patent_app_type] => utility [patent_app_number] => 15/650458 [patent_app_country] => US [patent_app_date] => 2017-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3639 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15650458 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/650458
HIGH DENSITY CLEAR BRINE FLUIDS Jul 13, 2017 Abandoned
Array ( [id] => 16043171 [patent_doc_number] => 10683447 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-16 [patent_title] => Invert emulsion based drilling fluid and methods of using same [patent_app_type] => utility [patent_app_number] => 15/612397 [patent_app_country] => US [patent_app_date] => 2017-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8451 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15612397 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/612397
Invert emulsion based drilling fluid and methods of using same Jun 1, 2017 Issued
Array ( [id] => 12092722 [patent_doc_number] => 20170349815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-07 [patent_title] => 'ENHANCEMENTS OF GELLED HYDROCARBON SYSTEMS' [patent_app_type] => utility [patent_app_number] => 15/609987 [patent_app_country] => US [patent_app_date] => 2017-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7898 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15609987 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/609987
Enhancements of gelled hydrocarbon systems May 30, 2017 Issued
Array ( [id] => 13209013 [patent_doc_number] => 10118863 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-11-06 [patent_title] => Proppant particles formed from slurry droplets and methods of use [patent_app_type] => utility [patent_app_number] => 15/607771 [patent_app_country] => US [patent_app_date] => 2017-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 19 [patent_no_of_words] => 10182 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15607771 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/607771
Proppant particles formed from slurry droplets and methods of use May 29, 2017 Issued
Array ( [id] => 12980317 [patent_doc_number] => 20170342313 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-30 [patent_title] => SHEAR RECOVERY FOR VISCOSIFYING SURFACTANTS IN STIMULATION FLUIDS [patent_app_type] => utility [patent_app_number] => 15/605065 [patent_app_country] => US [patent_app_date] => 2017-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2585 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 15605065 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/605065
Shear recovery for viscosifying surfactants in stimulation fluids May 24, 2017 Issued
Array ( [id] => 14454749 [patent_doc_number] => 10323327 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-06-18 [patent_title] => Composition and methods for inhibition of metal corrosion for use in the oil and gas industry [patent_app_type] => utility [patent_app_number] => 15/600202 [patent_app_country] => US [patent_app_date] => 2017-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 9336 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15600202 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/600202
Composition and methods for inhibition of metal corrosion for use in the oil and gas industry May 18, 2017 Issued
Array ( [id] => 12051383 [patent_doc_number] => 20170327727 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-16 [patent_title] => 'SLOW-RELEASE SCALE INHIBITING COMPOSITIONS' [patent_app_type] => utility [patent_app_number] => 15/593776 [patent_app_country] => US [patent_app_date] => 2017-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9939 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15593776 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/593776
Slow-release scale inhibiting compositions May 11, 2017 Issued
Array ( [id] => 13537025 [patent_doc_number] => 20180320056 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-08 [patent_title] => SUSPENSIONS OF NONPOLAR NANOPARTICLES FOR ENHANCED RECOVERY OF HEAVY OILS [patent_app_type] => utility [patent_app_number] => 15/586692 [patent_app_country] => US [patent_app_date] => 2017-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2852 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15586692 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/586692
SUSPENSIONS OF NONPOLAR NANOPARTICLES FOR ENHANCED RECOVERY OF HEAVY OILS May 3, 2017 Abandoned
Array ( [id] => 12030886 [patent_doc_number] => 20170320985 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-09 [patent_title] => 'METHODS FOR SYNTHESIZING ACRYLOYL-BASED COPOLYMERS, TERPOLYMERS' [patent_app_type] => utility [patent_app_number] => 15/585558 [patent_app_country] => US [patent_app_date] => 2017-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 21102 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15585558 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/585558
METHODS FOR SYNTHESIZING ACRYLOYL-BASED COPOLYMERS, TERPOLYMERS May 2, 2017 Abandoned
Array ( [id] => 15468703 [patent_doc_number] => 10550215 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-04 [patent_title] => Acryloyl-based copolymers, terpolymers, and use as hydrate inhibitors [patent_app_type] => utility [patent_app_number] => 15/585574 [patent_app_country] => US [patent_app_date] => 2017-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 14770 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15585574 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/585574
Acryloyl-based copolymers, terpolymers, and use as hydrate inhibitors May 2, 2017 Issued
Array ( [id] => 15711453 [patent_doc_number] => 20200102492 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-02 [patent_title] => NANOSIZED PARTICULATES FOR DOWNHOLE APPLICATIONS [patent_app_type] => utility [patent_app_number] => 16/499608 [patent_app_country] => US [patent_app_date] => 2017-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4146 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16499608 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/499608
Nanosized particulates for downhole applications May 1, 2017 Issued
Array ( [id] => 11851911 [patent_doc_number] => 20170226403 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-10 [patent_title] => 'MULTI-TAIL HYDRATE INHIBITORS' [patent_app_type] => utility [patent_app_number] => 15/493778 [patent_app_country] => US [patent_app_date] => 2017-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7836 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15493778 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/493778
Multi-tail hydrate inhibitors Apr 20, 2017 Issued
Array ( [id] => 15163545 [patent_doc_number] => 10487254 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-26 [patent_title] => Enhanced filtration control packages, wellbore servicing fluids utilizing the same, and methods of maintaining the structure of a wellbore [patent_app_type] => utility [patent_app_number] => 15/489927 [patent_app_country] => US [patent_app_date] => 2017-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5855 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15489927 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/489927
Enhanced filtration control packages, wellbore servicing fluids utilizing the same, and methods of maintaining the structure of a wellbore Apr 17, 2017 Issued
Array ( [id] => 11922846 [patent_doc_number] => 09790417 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-10-17 [patent_title] => 'High-density water-based drilling fluid suitable for horizontal shale gas wells' [patent_app_type] => utility [patent_app_number] => 15/489193 [patent_app_country] => US [patent_app_date] => 2017-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 19208 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15489193 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/489193
High-density water-based drilling fluid suitable for horizontal shale gas wells Apr 16, 2017 Issued
Array ( [id] => 11922844 [patent_doc_number] => 09790415 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-10-17 [patent_title] => 'Modified silicon dioxide nano-particles and preparation method thereof, and drilling fluid suitable for shale gas wells' [patent_app_type] => utility [patent_app_number] => 15/489210 [patent_app_country] => US [patent_app_date] => 2017-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 9665 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15489210 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/489210
Modified silicon dioxide nano-particles and preparation method thereof, and drilling fluid suitable for shale gas wells Apr 16, 2017 Issued
Array ( [id] => 12946030 [patent_doc_number] => 09834717 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-12-05 [patent_title] => Drilling fluid additive composition and pseudo oil-based drilling fluid suitable for horizontal shale gas wells [patent_app_type] => utility [patent_app_number] => 15/488927 [patent_app_country] => US [patent_app_date] => 2017-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 17141 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 408 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15488927 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/488927
Drilling fluid additive composition and pseudo oil-based drilling fluid suitable for horizontal shale gas wells Apr 16, 2017 Issued
Array ( [id] => 11915548 [patent_doc_number] => 09783725 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-10-10 [patent_title] => 'Drilling fluid additive composition and water-based drilling fluid suitable for horizontal shale gas wells' [patent_app_type] => utility [patent_app_number] => 15/489457 [patent_app_country] => US [patent_app_date] => 2017-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 19830 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15489457 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/489457
Drilling fluid additive composition and water-based drilling fluid suitable for horizontal shale gas wells Apr 16, 2017 Issued
Array ( [id] => 11836527 [patent_doc_number] => 20170218246 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-03 [patent_title] => 'METHODS FOR REPLENISHING PARTICLES SCREENED FROM DRILLING FLUIDS' [patent_app_type] => utility [patent_app_number] => 15/486237 [patent_app_country] => US [patent_app_date] => 2017-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7552 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15486237 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/486237
Methods for replenishing particles screened from drilling fluids Apr 11, 2017 Issued
Array ( [id] => 13300585 [patent_doc_number] => 20180201829 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-19 [patent_title] => MICROEMULSION FLOWBACK RECOVERY COMPOSITIONS AND METHODS FOR MAKING AND USING SAME [patent_app_type] => utility [patent_app_number] => 15/478455 [patent_app_country] => US [patent_app_date] => 2017-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8793 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15478455 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/478455
Microemulsion flowback recovery compositions and methods for making and using same Apr 3, 2017 Issued
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