Search

Robert T. Butcher

Examiner (ID: 16692, Phone: (571)270-3514 , Office: P/1768 )

Most Active Art Unit
1768
Art Unit(s)
1768, 1764, 1762
Total Applications
1051
Issued Applications
683
Pending Applications
113
Abandoned Applications
289

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17243662 [patent_doc_number] => 20210363405 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-25 [patent_title] => MULTI-MODAL, LOW PARTICLE SIZE DISTRIBUTION LOST CIRCULATION MATERIAL [patent_app_type] => utility [patent_app_number] => 16/881743 [patent_app_country] => US [patent_app_date] => 2020-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7594 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16881743 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/881743
Multi-modal, low particle size distribution lost circulation material May 21, 2020 Issued
Array ( [id] => 16283820 [patent_doc_number] => 20200277422 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-03 [patent_title] => Dual-Mechanism Thickening Agents for Hydraulic Fracturing Fluids [patent_app_type] => utility [patent_app_number] => 16/875946 [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] => 24243 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16875946 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/875946
Dual-mechanism thickening agents for hydraulic fracturing fluids May 14, 2020 Issued
Array ( [id] => 18932483 [patent_doc_number] => 11884891 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-30 [patent_title] => Environmentally friendly flow improvers with improved formulation stability at low temperatures [patent_app_type] => utility [patent_app_number] => 17/609898 [patent_app_country] => US [patent_app_date] => 2020-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4746 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17609898 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/609898
Environmentally friendly flow improvers with improved formulation stability at low temperatures May 11, 2020 Issued
Array ( [id] => 17200353 [patent_doc_number] => 20210340448 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => TREATMENT COMPOSITION AND METHOD FOR REDUCING VISCOSITY OF HYDROCARBONS [patent_app_type] => utility [patent_app_number] => 16/863145 [patent_app_country] => US [patent_app_date] => 2020-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6164 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16863145 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/863145
Treatment composition and method for reducing viscosity of hydrocarbons Apr 29, 2020 Issued
Array ( [id] => 16238481 [patent_doc_number] => 20200255715 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-13 [patent_title] => HIGH DENSITY, LOW TCT MONOVALENT BRINES AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 16/858405 [patent_app_country] => US [patent_app_date] => 2020-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4100 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16858405 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/858405
High density, low TCT monovalent brines and uses thereof Apr 23, 2020 Issued
Array ( [id] => 16343819 [patent_doc_number] => 20200308469 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-01 [patent_title] => USING GRAPHITE NANO-PLATELETS TO IMPROVE THE INTEGRITY OF OIL AND GAS WELLS [patent_app_type] => utility [patent_app_number] => 16/836414 [patent_app_country] => US [patent_app_date] => 2020-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7994 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16836414 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/836414
Using graphite nano-platelets to improve the integrity of oil and gas wells Mar 30, 2020 Issued
Array ( [id] => 20372610 [patent_doc_number] => 12480034 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Extended release colloidal scale inhibitor [patent_app_type] => utility [patent_app_number] => 17/599373 [patent_app_country] => US [patent_app_date] => 2020-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3644 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17599373 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/599373
Extended release colloidal scale inhibitor Mar 29, 2020 Issued
Array ( [id] => 20241133 [patent_doc_number] => 12421442 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Nanoparticle-surfactant stabilized foams [patent_app_type] => utility [patent_app_number] => 17/442295 [patent_app_country] => US [patent_app_date] => 2020-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17442295 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/442295
Nanoparticle-surfactant stabilized foams Mar 24, 2020 Issued
Array ( [id] => 19415007 [patent_doc_number] => 12080848 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Electrolyte membrane for all-solid-state batteries, and method for manufacturing same [patent_app_type] => utility [patent_app_number] => 17/267583 [patent_app_country] => US [patent_app_date] => 2020-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 8947 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17267583 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/267583
Electrolyte membrane for all-solid-state batteries, and method for manufacturing same Mar 17, 2020 Issued
Array ( [id] => 17792346 [patent_doc_number] => 20220251437 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => COMPOSITION FOR MAKING A DRILLING FLUID A NON-INVASIVE DRILLING FLUID [patent_app_type] => utility [patent_app_number] => 17/432423 [patent_app_country] => US [patent_app_date] => 2020-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8760 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17432423 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/432423
Composition for making a drilling fluid a non-invasive drilling fluid Mar 12, 2020 Issued
Array ( [id] => 17657309 [patent_doc_number] => 20220177774 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => STABILIZED FRICTION REDUCER EMULSIONS [patent_app_type] => utility [patent_app_number] => 17/436848 [patent_app_country] => US [patent_app_date] => 2020-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5209 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17436848 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/436848
Stabilized friction reducer emulsions Mar 10, 2020 Issued
Array ( [id] => 19368448 [patent_doc_number] => 12060521 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => Oil recovery agent, oil dispersion, and oil recovery method [patent_app_type] => utility [patent_app_number] => 16/810032 [patent_app_country] => US [patent_app_date] => 2020-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14676 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16810032 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/810032
Oil recovery agent, oil dispersion, and oil recovery method Mar 4, 2020 Issued
Array ( [id] => 17509625 [patent_doc_number] => 20220102728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => BINDER FOR ELECTROCHEMICAL DEVICES, ELECTRODE MIXTURE, ELECTRODE, ELECTROCHEMICAL DEVICE, AND SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 17/424083 [patent_app_country] => US [patent_app_date] => 2020-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15103 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17424083 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/424083
BINDER FOR ELECTROCHEMICAL DEVICES, ELECTRODE MIXTURE, ELECTRODE, ELECTROCHEMICAL DEVICE, AND SECONDARY BATTERY Mar 3, 2020 Abandoned
Array ( [id] => 19094192 [patent_doc_number] => 11955661 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Electrochemical device and electronic device including the same [patent_app_type] => utility [patent_app_number] => 17/266082 [patent_app_country] => US [patent_app_date] => 2020-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 9608 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17266082 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/266082
Electrochemical device and electronic device including the same Mar 3, 2020 Issued
Array ( [id] => 17509625 [patent_doc_number] => 20220102728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => BINDER FOR ELECTROCHEMICAL DEVICES, ELECTRODE MIXTURE, ELECTRODE, ELECTROCHEMICAL DEVICE, AND SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 17/424083 [patent_app_country] => US [patent_app_date] => 2020-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15103 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17424083 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/424083
BINDER FOR ELECTROCHEMICAL DEVICES, ELECTRODE MIXTURE, ELECTRODE, ELECTROCHEMICAL DEVICE, AND SECONDARY BATTERY Mar 3, 2020 Abandoned
Array ( [id] => 19457844 [patent_doc_number] => 12098324 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-24 [patent_title] => Enhanced crude oil recovery from subterranean crude oil-bearing sandstone reservoirs [patent_app_type] => utility [patent_app_number] => 17/431880 [patent_app_country] => US [patent_app_date] => 2020-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6123 [patent_no_of_claims] => 7 [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] => 17431880 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/431880
Enhanced crude oil recovery from subterranean crude oil-bearing sandstone reservoirs Feb 16, 2020 Issued
Array ( [id] => 17036972 [patent_doc_number] => 20210253930 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => WELL BORE SPACER AND EFFICIENCY FLUIDS COMPRISING GEOPOLYMERS [patent_app_type] => utility [patent_app_number] => 16/791373 [patent_app_country] => US [patent_app_date] => 2020-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9766 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16791373 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/791373
Well bore spacer and efficiency fluids comprising geopolymers Feb 13, 2020 Issued
Array ( [id] => 19376896 [patent_doc_number] => 12068479 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-20 [patent_title] => Winding-type nonaqueous electrolyte secondary battery [patent_app_type] => utility [patent_app_number] => 17/430878 [patent_app_country] => US [patent_app_date] => 2020-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 6103 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17430878 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/430878
Winding-type nonaqueous electrolyte secondary battery Feb 13, 2020 Issued
Array ( [id] => 17015340 [patent_doc_number] => 11084967 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-10 [patent_title] => Functionalized nanosilica as shale inhibitor in water-based fluids [patent_app_type] => utility [patent_app_number] => 16/791647 [patent_app_country] => US [patent_app_date] => 2020-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 21 [patent_no_of_words] => 8016 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16791647 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/791647
Functionalized nanosilica as shale inhibitor in water-based fluids Feb 13, 2020 Issued
Array ( [id] => 16206770 [patent_doc_number] => 20200239760 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-30 [patent_title] => HIGH-TEMPERATURE RETARDER SUITABLE FOR OIL AND GAS WELL CEMENTATION, PREPARATION METHOD THEREOF AND CEMENTING SLURRY [patent_app_type] => utility [patent_app_number] => 16/752971 [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] => 18276 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16752971 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/752971
High-temperature retarder suitable for oil and gas well cementation, preparation method thereof and cementing slurry Jan 26, 2020 Issued
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