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] => 17642173 [patent_doc_number] => 20220169911 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => SUSPENSION OF ASSOCIATIVE POLYMERS FOR THE TREATMENT OF UNDERGROUND FORMATIONS [patent_app_type] => utility [patent_app_number] => 17/436949 [patent_app_country] => US [patent_app_date] => 2020-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11505 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17436949 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/436949
Suspension of associative polymers for the treatment of underground formations Mar 2, 2020 Issued
Array ( [id] => 16297950 [patent_doc_number] => 20200283673 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => Thermosensitive Self-plugging Bentonite and Preparation Method Thereof and Water-based Drilling Fluid [patent_app_type] => utility [patent_app_number] => 16/808038 [patent_app_country] => US [patent_app_date] => 2020-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8260 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16808038 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/808038
Thermosensitive self-plugging bentonite and preparation method thereof and water-based drilling fluid Mar 2, 2020 Issued
Array ( [id] => 16269018 [patent_doc_number] => 20200270505 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-27 [patent_title] => STORABLE GAS GENERATING COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 16/807595 [patent_app_country] => US [patent_app_date] => 2020-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19618 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16807595 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/807595
Storable gas generating compositions Mar 2, 2020 Issued
Array ( [id] => 17363640 [patent_doc_number] => 11230657 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-25 [patent_title] => Modified graphene shale inhibitors [patent_app_type] => utility [patent_app_number] => 16/806804 [patent_app_country] => US [patent_app_date] => 2020-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 7778 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16806804 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/806804
Modified graphene shale inhibitors Mar 1, 2020 Issued
Array ( [id] => 16598285 [patent_doc_number] => 20210024816 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => HIGH PERFORMANCE PROPPANTS [patent_app_type] => utility [patent_app_number] => 16/801380 [patent_app_country] => US [patent_app_date] => 2020-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9046 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 16801380 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/801380
HIGH PERFORMANCE PROPPANTS Feb 25, 2020 Abandoned
Array ( [id] => 17134941 [patent_doc_number] => 11136487 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-05 [patent_title] => Date seed-based chips lost circulation material [patent_app_type] => utility [patent_app_number] => 16/800567 [patent_app_country] => US [patent_app_date] => 2020-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4591 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16800567 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/800567
Date seed-based chips lost circulation material Feb 24, 2020 Issued
Array ( [id] => 17595595 [patent_doc_number] => 20220145169 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => SUBTERRANEAN FORMATIONS [patent_app_type] => utility [patent_app_number] => 17/436694 [patent_app_country] => US [patent_app_date] => 2020-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5630 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 17436694 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/436694
SUBTERRANEAN FORMATIONS Feb 23, 2020 Pending
Array ( [id] => 16697212 [patent_doc_number] => 10947795 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-16 [patent_title] => Oil-swellable, surface-treated elastomeric polymer and methods of using the same for controlling losses of non-aqueous wellbore treatment fluids to the subterranean formation [patent_app_type] => utility [patent_app_number] => 16/792720 [patent_app_country] => US [patent_app_date] => 2020-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 6184 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16792720 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/792720
Oil-swellable, surface-treated elastomeric polymer and methods of using the same for controlling losses of non-aqueous wellbore treatment fluids to the subterranean formation Feb 16, 2020 Issued
Array ( [id] => 16013257 [patent_doc_number] => 20200181471 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-11 [patent_title] => High Density Aqueous Well Fluids [patent_app_type] => utility [patent_app_number] => 16/789749 [patent_app_country] => US [patent_app_date] => 2020-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12141 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16789749 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/789749
High density aqueous well fluids Feb 12, 2020 Issued
Array ( [id] => 17548234 [patent_doc_number] => 20220119575 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => METHOD FOR PRODUCING POLYPHENOL DERIVATIVE, POLYPHENOL DERIVATIVE, AND POLYPHENOL DERIVATIVE-CONTAINING RESIN COMPOSITION MATERIAL [patent_app_type] => utility [patent_app_number] => 17/427313 [patent_app_country] => US [patent_app_date] => 2020-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13416 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17427313 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/427313
METHOD FOR PRODUCING POLYPHENOL DERIVATIVE, POLYPHENOL DERIVATIVE, AND POLYPHENOL DERIVATIVE-CONTAINING RESIN COMPOSITION MATERIAL Feb 6, 2020 Pending
Array ( [id] => 15993843 [patent_doc_number] => 20200172792 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-04 [patent_title] => USE OF ORGANIC ACIDS OR A SALT THEREOF IN SURFACTANT-BASED ENHANCED OIL RECOVERY FORMULATIONS AND TECHNIQUES [patent_app_type] => utility [patent_app_number] => 16/783937 [patent_app_country] => US [patent_app_date] => 2020-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6886 [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] => 16783937 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/783937
Use of organic acids or a salt thereof in surfactant-based enhanced oil recovery formulations and techniques Feb 5, 2020 Issued
Array ( [id] => 17007311 [patent_doc_number] => 20210238472 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => METHODS FOR CLAY SWELLING INHIBITION USING GEMINI SURFACTANTS CONTAINING A SATURATED LINKER [patent_app_type] => utility [patent_app_number] => 16/777221 [patent_app_country] => US [patent_app_date] => 2020-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11178 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16777221 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/777221
Methods for clay swelling inhibition using gemini surfactants containing a saturated linker Jan 29, 2020 Issued
Array ( [id] => 17505299 [patent_doc_number] => 20220098401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => POLYMER COMPOSITION [patent_app_type] => utility [patent_app_number] => 17/424943 [patent_app_country] => US [patent_app_date] => 2020-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13348 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17424943 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/424943
POLYMER COMPOSITION Jan 26, 2020 Pending
Array ( [id] => 16750104 [patent_doc_number] => 20210102113 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-08 [patent_title] => BETAINE SURFACTANTS CONTAINING AN UNSATURATED FATTY TAIL AND METHODS THEREOF [patent_app_type] => utility [patent_app_number] => 16/749342 [patent_app_country] => US [patent_app_date] => 2020-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13337 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16749342 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/749342
Betaine surfactants containing an unsaturated fatty tail and methods thereof Jan 21, 2020 Issued
Array ( [id] => 17520631 [patent_doc_number] => 20220106480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => RESIN COMPOSITION AND MOLDED ARTICLE OBTAINED USING THIS RESIN COMPOSITION [patent_app_type] => utility [patent_app_number] => 17/423217 [patent_app_country] => US [patent_app_date] => 2020-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12695 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17423217 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/423217
RESIN COMPOSITION AND MOLDED ARTICLE OBTAINED USING THIS RESIN COMPOSITION Jan 19, 2020 Pending
Array ( [id] => 16429609 [patent_doc_number] => 10829679 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-11-10 [patent_title] => Micro-nanometer plugging anti-collapse drilling fluid and preparation method and use thereof [patent_app_type] => utility [patent_app_number] => 16/743811 [patent_app_country] => US [patent_app_date] => 2020-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11260 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16743811 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/743811
Micro-nanometer plugging anti-collapse drilling fluid and preparation method and use thereof Jan 14, 2020 Issued
Array ( [id] => 17474046 [patent_doc_number] => 20220081550 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => Block Copolymer Composition, Molded Product, Method for Producing Molded Product, and Method for Adjusting Haze Value of Molded Product [patent_app_type] => utility [patent_app_number] => 17/423985 [patent_app_country] => US [patent_app_date] => 2020-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23498 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17423985 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/423985
Block Copolymer Composition, Molded Product, Method for Producing Molded Product, and Method for Adjusting Haze Value of Molded Product Jan 13, 2020 Pending
Array ( [id] => 17620278 [patent_doc_number] => 11339317 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-05-24 [patent_title] => Method of drilling a wellbore [patent_app_type] => utility [patent_app_number] => 17/420774 [patent_app_country] => US [patent_app_date] => 2020-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4689 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17420774 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/420774
Method of drilling a wellbore Jan 12, 2020 Issued
Array ( [id] => 18153197 [patent_doc_number] => 11566161 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-31 [patent_title] => Method of removing calcium-containing water-based filter cake using a biodegradable acid solution [patent_app_type] => utility [patent_app_number] => 16/733495 [patent_app_country] => US [patent_app_date] => 2020-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 12 [patent_no_of_words] => 7715 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16733495 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/733495
Method of removing calcium-containing water-based filter cake using a biodegradable acid solution Jan 2, 2020 Issued
Array ( [id] => 17428623 [patent_doc_number] => 20220056331 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => METHODS AND COMPOSITIONS FOR TREATMENT OF SCALE [patent_app_type] => utility [patent_app_number] => 17/414038 [patent_app_country] => US [patent_app_date] => 2019-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11651 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 17414038 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/414038
METHODS AND COMPOSITIONS FOR TREATMENT OF SCALE Dec 29, 2019 Pending
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