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] => 16557392 [patent_doc_number] => 20210002540 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-07 [patent_title] => WAX DEPOSIT REMOVAL USING AQUEOUS SURFACTANT [patent_app_type] => utility [patent_app_number] => 16/921100 [patent_app_country] => US [patent_app_date] => 2020-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6458 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16921100 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/921100
Wax deposit removal using aqueous surfactant Jul 5, 2020 Issued
Array ( [id] => 17960223 [patent_doc_number] => 20220340803 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-27 [patent_title] => CROSSLINKED SYNTHETIC POLYMER-BASED RESERVOIR DRILLING FLUID [patent_app_type] => utility [patent_app_number] => 17/620758 [patent_app_country] => US [patent_app_date] => 2020-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11834 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17620758 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/620758
CROSSLINKED SYNTHETIC POLYMER-BASED RESERVOIR DRILLING FLUID Jun 8, 2020 Pending
Array ( [id] => 17571221 [patent_doc_number] => 11319480 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-03 [patent_title] => Increased availability and reduced costs for viscoelastic surfactants used in hydrofracturing fluids [patent_app_type] => utility [patent_app_number] => 16/893931 [patent_app_country] => US [patent_app_date] => 2020-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7190 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16893931 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/893931
Increased availability and reduced costs for viscoelastic surfactants used in hydrofracturing fluids Jun 4, 2020 Issued
Array ( [id] => 18604822 [patent_doc_number] => 11746275 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Inhibitive divalent wellbore fluids, methods of providing said fluids, and uses thereof [patent_app_type] => utility [patent_app_number] => 16/882681 [patent_app_country] => US [patent_app_date] => 2020-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 17 [patent_no_of_words] => 9126 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16882681 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/882681
Inhibitive divalent wellbore fluids, methods of providing said fluids, and uses thereof May 24, 2020 Issued
Array ( [id] => 17229253 [patent_doc_number] => 20210355809 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-18 [patent_title] => COMPOSITIONS, SYSTEMS, AND METHODS FOR IRON SULFIDE SCALE IDENTIFICATION, PREVENTION, AND REDUCTION [patent_app_type] => utility [patent_app_number] => 16/875613 [patent_app_country] => US [patent_app_date] => 2020-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6450 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -30 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16875613 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/875613
Compositions, systems, and methods for iron sulfide scale identification, prevention, and reduction May 14, 2020 Issued
Array ( [id] => 18932463 [patent_doc_number] => 11884871 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-30 [patent_title] => Polymeric rheology modifiers [patent_app_type] => utility [patent_app_number] => 16/874575 [patent_app_country] => US [patent_app_date] => 2020-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6859 [patent_no_of_claims] => 6 [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] => 16874575 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/874575
Polymeric rheology modifiers May 13, 2020 Issued
Array ( [id] => 16269022 [patent_doc_number] => 20200270509 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-27 [patent_title] => SOLVENT SYSTEMS HAVING A HIGH FLASH POINT AND METHODS OF USE THEREOF [patent_app_type] => utility [patent_app_number] => 15/930544 [patent_app_country] => US [patent_app_date] => 2020-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10982 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15930544 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/930544
SOLVENT SYSTEMS HAVING A HIGH FLASH POINT AND METHODS OF USE THEREOF May 12, 2020 Abandoned
Array ( [id] => 17635129 [patent_doc_number] => 11345845 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-31 [patent_title] => Sequenced polymers for monitoring the filtrate and the rheology [patent_app_type] => utility [patent_app_number] => 16/872506 [patent_app_country] => US [patent_app_date] => 2020-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10644 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16872506 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/872506
Sequenced polymers for monitoring the filtrate and the rheology May 11, 2020 Issued
Array ( [id] => 16628900 [patent_doc_number] => 20210047553 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-18 [patent_title] => RHEOLOGY DRILLING FLUID AND METHOD [patent_app_type] => utility [patent_app_number] => 16/865919 [patent_app_country] => US [patent_app_date] => 2020-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8399 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16865919 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/865919
RHEOLOGY DRILLING FLUID AND METHOD May 3, 2020 Abandoned
Array ( [id] => 17185402 [patent_doc_number] => 20210332287 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => Dual Function Inhibitor Compounds For Deepwater Umbilical Applications [patent_app_type] => utility [patent_app_number] => 16/860851 [patent_app_country] => US [patent_app_date] => 2020-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10009 [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] => 16860851 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/860851
Dual Function Inhibitor Compounds For Deepwater Umbilical Applications Apr 27, 2020 Abandoned
Array ( [id] => 17185402 [patent_doc_number] => 20210332287 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => Dual Function Inhibitor Compounds For Deepwater Umbilical Applications [patent_app_type] => utility [patent_app_number] => 16/860851 [patent_app_country] => US [patent_app_date] => 2020-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10009 [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] => 16860851 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/860851
Dual Function Inhibitor Compounds For Deepwater Umbilical Applications Apr 27, 2020 Abandoned
Array ( [id] => 17665444 [patent_doc_number] => 11359125 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-14 [patent_title] => Invert-emulsion drilling fluids and methods for reducing lost circulation in a subterranean formation using the invert-emulsion drilling fluids [patent_app_type] => utility [patent_app_number] => 16/859201 [patent_app_country] => US [patent_app_date] => 2020-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 13243 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16859201 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/859201
Invert-emulsion drilling fluids and methods for reducing lost circulation in a subterranean formation using the invert-emulsion drilling fluids Apr 26, 2020 Issued
Array ( [id] => 17170587 [patent_doc_number] => 20210324257 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => NANOSHEET POLYMER COMPOSITE FOR WATER SHUTOFF [patent_app_type] => utility [patent_app_number] => 16/854323 [patent_app_country] => US [patent_app_date] => 2020-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9398 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 16854323 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/854323
Nanosheet polymer composite for water shutoff Apr 20, 2020 Issued
Array ( [id] => 16205312 [patent_doc_number] => 20200238302 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-30 [patent_title] => Agglomerated Hemicellulose Compositions, Methods of Preparation Thereof, and Processes for Enriching a Desired Mineral from an Ore [patent_app_type] => utility [patent_app_number] => 16/846819 [patent_app_country] => US [patent_app_date] => 2020-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13900 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16846819 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/846819
Agglomerated Hemicellulose Compositions, Methods of Preparation Thereof, and Processes for Enriching a Desired Mineral from an Ore Apr 12, 2020 Abandoned
Array ( [id] => 16376538 [patent_doc_number] => 20200325380 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-15 [patent_title] => Methods for Drilling Wellbores Using Thinner Compositions [patent_app_type] => utility [patent_app_number] => 16/843217 [patent_app_country] => US [patent_app_date] => 2020-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7977 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [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] => 16843217 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/843217
Methods for drilling wellbores using thinner compositions Apr 7, 2020 Issued
Array ( [id] => 17859920 [patent_doc_number] => 11441067 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-13 [patent_title] => Screening method for friction reducer precipitation [patent_app_type] => utility [patent_app_number] => 16/842438 [patent_app_country] => US [patent_app_date] => 2020-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 8641 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [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] => 16842438 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/842438
Screening method for friction reducer precipitation Apr 6, 2020 Issued
Array ( [id] => 16361245 [patent_doc_number] => 20200317996 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-08 [patent_title] => NOVEL MUD ACID COMPOSITION AND METHODS OF USING SUCH [patent_app_type] => utility [patent_app_number] => 16/839490 [patent_app_country] => US [patent_app_date] => 2020-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4189 [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] => 16839490 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/839490
Mud acid composition and methods of using such Apr 2, 2020 Issued
Array ( [id] => 16391228 [patent_doc_number] => 20200332169 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-22 [patent_title] => METHODS OF SUSPENDING WEIGHTING AGENTS IN A DRILLING FLUID [patent_app_type] => utility [patent_app_number] => 16/832279 [patent_app_country] => US [patent_app_date] => 2020-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15053 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16832279 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/832279
Methods of suspending weighting agents in a drilling fluid Mar 26, 2020 Issued
Array ( [id] => 16391229 [patent_doc_number] => 20200332170 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-22 [patent_title] => METHODS OF SUSPENDING WEIGHTING AGENTS IN A DRILLING FLUID [patent_app_type] => utility [patent_app_number] => 16/832250 [patent_app_country] => US [patent_app_date] => 2020-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13997 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16832250 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/832250
Methods of suspending weighting agents in a drilling fluid Mar 26, 2020 Issued
Array ( [id] => 18329397 [patent_doc_number] => 11634625 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-25 [patent_title] => Siloxane surfactant additives for oil and gas applications [patent_app_type] => utility [patent_app_number] => 16/818473 [patent_app_country] => US [patent_app_date] => 2020-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4011 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16818473 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/818473
Siloxane surfactant additives for oil and gas applications Mar 12, 2020 Issued
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