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] => 13566125 [patent_doc_number] => 20180334610 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-22 [patent_title] => MULTI-TAIL HYDRATE INHIBITORS [patent_app_type] => utility [patent_app_number] => 16/049957 [patent_app_country] => US [patent_app_date] => 2018-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7412 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16049957 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/049957
Multi-tail hydrate inhibitors Jul 30, 2018 Issued
Array ( [id] => 16238335 [patent_doc_number] => 20200255569 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-13 [patent_title] => PROCESS FOR FAST DISSOLUTION OF POWDER COMPRISING LOW MOLECULAR WEIGHT ACRYLAMIDE-BASED POLYMER [patent_app_type] => utility [patent_app_number] => 16/635125 [patent_app_country] => US [patent_app_date] => 2018-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 32236 [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] => 16635125 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/635125
Process for fast dissolution of powder comprising low molecular weight acrylamide-based polymer Jul 30, 2018 Issued
Array ( [id] => 13840977 [patent_doc_number] => 20190023973 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-24 [patent_title] => MITIGATION OF CONDENSATE BANKING USING SURFACE MODIFICATION [patent_app_type] => utility [patent_app_number] => 16/038692 [patent_app_country] => US [patent_app_date] => 2018-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7392 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -50 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16038692 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/038692
Mitigation of condensate banking using surface modification Jul 17, 2018 Issued
Array ( [id] => 15931549 [patent_doc_number] => 20200157408 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => Two-Step Process for Microbial Enhanced Oil Recovery [patent_app_type] => utility [patent_app_number] => 16/634318 [patent_app_country] => US [patent_app_date] => 2018-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13534 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16634318 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/634318
Two-step process for microbial enhanced oil recovery Jul 16, 2018 Issued
Array ( [id] => 13778431 [patent_doc_number] => 20190002754 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-03 [patent_title] => HIGH STABILITY POLYMER COMPOSITIONS FOR ENHANCED OIL RECOVERY APPLICATIONS [patent_app_type] => utility [patent_app_number] => 16/024147 [patent_app_country] => US [patent_app_date] => 2018-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24852 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -40 [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] => 16024147 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/024147
High stability polymer compositions for enhanced oil recovery applications Jun 28, 2018 Issued
Array ( [id] => 16157031 [patent_doc_number] => 20200216748 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-09 [patent_title] => HIGH STABILITY POLYMER COMPOSITIONS WITH POLY(ALKYL)ACRYLATE COMPOUNDS FOR ENHANCED OIL RECOVERY APPLICATIONS [patent_app_type] => utility [patent_app_number] => 16/627481 [patent_app_country] => US [patent_app_date] => 2018-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13663 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16627481 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/627481
High stability polymer compositions with poly(alkyl)acrylate compounds for enhanced oil recovery applications Jun 28, 2018 Issued
Array ( [id] => 13493449 [patent_doc_number] => 20180298267 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-18 [patent_title] => Salt-Free Invert Emulsion Drilling Fluids and Methods of Drilling Boreholes [patent_app_type] => utility [patent_app_number] => 16/014572 [patent_app_country] => US [patent_app_date] => 2018-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3480 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16014572 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/014572
Salt-free invert emulsion drilling fluids and methods of drilling boreholes Jun 20, 2018 Issued
Array ( [id] => 17193278 [patent_doc_number] => 11162021 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-02 [patent_title] => Wellbore composition [patent_app_type] => utility [patent_app_number] => 16/012452 [patent_app_country] => US [patent_app_date] => 2018-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6154 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [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] => 16012452 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/012452
Wellbore composition Jun 18, 2018 Issued
Array ( [id] => 16206625 [patent_doc_number] => 20200239615 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-30 [patent_title] => Vinylamide Block Copolymer Kinetic Hydrate Inhibitor and Preparation Method and Use Thereof [patent_app_type] => utility [patent_app_number] => 16/311703 [patent_app_country] => US [patent_app_date] => 2018-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3263 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16311703 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/311703
Vinylamide block copolymer kinetic hydrate inhibitor and preparation method and use thereof May 30, 2018 Issued
Array ( [id] => 13444581 [patent_doc_number] => 20180273833 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-27 [patent_title] => METHODS FLUIDS BY PRODUCING AND EMPLOYING OIL AND GAS WELL DRILLING AND COMPLETION FLUIDS AS WELL AS HYDRAULIC FRACTURING FLUIDS EMPLOYING TRIGLYCERIDE PROCESSING BY PRODUCTS [patent_app_type] => utility [patent_app_number] => 15/991459 [patent_app_country] => US [patent_app_date] => 2018-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7178 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15991459 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/991459
Increased availability and reduced costs for viscoelastic surfactants used in hydrofracturing fluids May 28, 2018 Issued
Array ( [id] => 15898837 [patent_doc_number] => 20200148937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-14 [patent_title] => INHIBITING HYDROCARBON HYDRATE AGGLOMERATION [patent_app_type] => utility [patent_app_number] => 16/617143 [patent_app_country] => US [patent_app_date] => 2018-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28498 [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] => 16617143 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/617143
INHIBITING HYDROCARBON HYDRATE AGGLOMERATION May 20, 2018 Abandoned
Array ( [id] => 14794327 [patent_doc_number] => 10400158 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-03 [patent_title] => Densifying carbon dioxide with a dispersion of carbon dioxide-philic water capsules [patent_app_type] => utility [patent_app_number] => 15/977928 [patent_app_country] => US [patent_app_date] => 2018-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3777 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15977928 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/977928
Densifying carbon dioxide with a dispersion of carbon dioxide-philic water capsules May 10, 2018 Issued
Array ( [id] => 13479437 [patent_doc_number] => 20180291261 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-11 [patent_title] => HYDROCARBON FORMATION TREATMENT MICELLAR SOLUTIONS [patent_app_type] => utility [patent_app_number] => 15/946338 [patent_app_country] => US [patent_app_date] => 2018-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11841 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15946338 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/946338
Hydrocarbon formation treatment micellar solutions Apr 4, 2018 Issued
Array ( [id] => 13343265 [patent_doc_number] => 20180223172 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-09 [patent_title] => Crystallization Suppressant Combinations for High Density Clear Brine Fluids [patent_app_type] => utility [patent_app_number] => 15/944007 [patent_app_country] => US [patent_app_date] => 2018-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5702 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15944007 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/944007
Crystallization suppressant combinations for high density clear brine fluids Apr 2, 2018 Issued
Array ( [id] => 13428461 [patent_doc_number] => 20180265773 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-20 [patent_title] => AQUEOUS PARTICULATE SLURRIES AND METHODS OF MAKING THE SAME [patent_app_type] => utility [patent_app_number] => 15/921179 [patent_app_country] => US [patent_app_date] => 2018-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7633 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15921179 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/921179
AQUEOUS PARTICULATE SLURRIES AND METHODS OF MAKING THE SAME Mar 13, 2018 Abandoned
Array ( [id] => 15345725 [patent_doc_number] => 20200010754 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-09 [patent_title] => METHOD FOR INHIBITING THE AGGLOMERATION OF GAS HYDRATES [patent_app_type] => utility [patent_app_number] => 16/491019 [patent_app_country] => US [patent_app_date] => 2018-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5896 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 16491019 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/491019
METHOD FOR INHIBITING THE AGGLOMERATION OF GAS HYDRATES Mar 5, 2018 Abandoned
Array ( [id] => 16043175 [patent_doc_number] => 10683449 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-16 [patent_title] => Rheology drilling fluid and method [patent_app_type] => utility [patent_app_number] => 15/893920 [patent_app_country] => US [patent_app_date] => 2018-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8301 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15893920 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/893920
Rheology drilling fluid and method Feb 11, 2018 Issued
Array ( [id] => 15086733 [patent_doc_number] => 20190338177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-07 [patent_title] => Thermally Stabilized Friction Reduction Compositions and Methods for Use Thereof [patent_app_type] => utility [patent_app_number] => 16/466733 [patent_app_country] => US [patent_app_date] => 2018-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5359 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16466733 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/466733
Thermally Stabilized Friction Reduction Compositions and Methods for Use Thereof Feb 5, 2018 Abandoned
Array ( [id] => 16297953 [patent_doc_number] => 20200283676 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => TRI-CATIONIC VISCOELASTIC SURFACTANT, PREPARATION METHOD AND APPLICATION THEREOF AND CLEAN FRACTURING FLUID [patent_app_type] => utility [patent_app_number] => 16/068134 [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] => 3475 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16068134 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/068134
Tri-cationic viscoelastic surfactant, preparation method and application thereof and clean fracturing fluid Jan 28, 2018 Issued
Array ( [id] => 14132593 [patent_doc_number] => 20190100686 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-04 [patent_title] => PARAFFIN INHIBITION BY CALIXARENES [patent_app_type] => utility [patent_app_number] => 15/879321 [patent_app_country] => US [patent_app_date] => 2018-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6185 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 15879321 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/879321
PARAFFIN INHIBITION BY CALIXARENES Jan 23, 2018 Abandoned
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