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] => 20429522 [patent_doc_number] => 20250391615 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-25 [patent_title] => FLEXIBLE ENERGY STORAGE DEVICE WITH CARBON ELECTRODES [patent_app_type] => utility [patent_app_number] => 19/305942 [patent_app_country] => US [patent_app_date] => 2025-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5807 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 19305942 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/305942
FLEXIBLE ENERGY STORAGE DEVICE WITH CARBON ELECTRODES Aug 20, 2025 Pending
Array ( [id] => 19955418 [patent_doc_number] => 12325826 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-10 [patent_title] => High-flow-conductivity proppant and preparation method thereof [patent_app_type] => utility [patent_app_number] => 19/009926 [patent_app_country] => US [patent_app_date] => 2025-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 0 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19009926 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/009926
High-flow-conductivity proppant and preparation method thereof Jan 3, 2025 Issued
Array ( [id] => 20241130 [patent_doc_number] => 12421439 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Dual-purpose sacrificial anti-swelling agent, preparation method and application thereof [patent_app_type] => utility [patent_app_number] => 19/004499 [patent_app_country] => US [patent_app_date] => 2024-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19004499 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/004499
Dual-purpose sacrificial anti-swelling agent, preparation method and application thereof Dec 29, 2024 Issued
Array ( [id] => 19634877 [patent_doc_number] => 20240413326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => Winding-Type Nonaqueous Electrolyte Secondary Battery [patent_app_type] => utility [patent_app_number] => 18/773850 [patent_app_country] => US [patent_app_date] => 2024-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6172 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18773850 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/773850
Winding-type nonaqueous electrolyte secondary battery Jul 15, 2024 Issued
Array ( [id] => 19464396 [patent_doc_number] => 20240318065 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => ALKYL LACTONE-DERIVED HYDROXYAMIDES AND ALKYL LACTONE-DERIVED HYDROXYESTERS FOR THE CONTROL OF NATURAL GAS HYDRATES [patent_app_type] => utility [patent_app_number] => 18/678158 [patent_app_country] => US [patent_app_date] => 2024-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7689 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18678158 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/678158
Alkyl lactone-derived hydroxyamides and alkyl lactone-derived hydroxyesters for the control of natural gas hydrates May 29, 2024 Issued
Array ( [id] => 19449130 [patent_doc_number] => 20240309260 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => ULTRA-HIGH MOLECULAR WEIGHT (UHMW) BRANCHED BLOCK COPOLYMER VISCOSIFIER FOR WATER BASED DRILLING FLUIDS [patent_app_type] => utility [patent_app_number] => 18/677235 [patent_app_country] => US [patent_app_date] => 2024-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12102 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18677235 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/677235
ULTRA-HIGH MOLECULAR WEIGHT (UHMW) BRANCHED BLOCK COPOLYMER VISCOSIFIER FOR WATER BASED DRILLING FLUIDS May 28, 2024 Pending
Array ( [id] => 19389658 [patent_doc_number] => 20240279528 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => C-36 DIMER DIAMINE HYDROCHLORIDE SALT AS PRIMARY VISCOSIFIER FOR INVERT-EMULSION DRILLING FLUIDS [patent_app_type] => utility [patent_app_number] => 18/653165 [patent_app_country] => US [patent_app_date] => 2024-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4247 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18653165 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/653165
C-36 dimer diamine hydrochloride salt as primary viscosifier for invert-emulsion drilling fluids May 1, 2024 Issued
Array ( [id] => 19955415 [patent_doc_number] => 12325823 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-10 [patent_title] => Composition for making a drilling fluid a non-invasive drilling fluid [patent_app_type] => utility [patent_app_number] => 18/403777 [patent_app_country] => US [patent_app_date] => 2024-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3875 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18403777 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/403777
Composition for making a drilling fluid a non-invasive drilling fluid Jan 3, 2024 Issued
Array ( [id] => 19097865 [patent_doc_number] => 20240117093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => CONTAMINANT REMEDIATION WITH FUNCTIONALIZED (METH)ACRYLIC POLYMER OR COPOLYMER MACROPARTICULATES AND SYSTEMS RELATED THERETO [patent_app_type] => utility [patent_app_number] => 18/528047 [patent_app_country] => US [patent_app_date] => 2023-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 32713 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18528047 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/528047
CONTAMINANT REMEDIATION WITH FUNCTIONALIZED (METH)ACRYLIC POLYMER OR COPOLYMER MACROPARTICULATES AND SYSTEMS RELATED THERETO Dec 3, 2023 Pending
Array ( [id] => 19003948 [patent_doc_number] => 20240068019 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => Microbial Products and Their Use in Bioremediation and to Remove Paraffin and Other Contaminating Substances from Oil and Gas Production and Processing Equipment [patent_app_type] => utility [patent_app_number] => 18/496172 [patent_app_country] => US [patent_app_date] => 2023-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15801 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18496172 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/496172
Microbial Products and Their Use in Bioremediation and to Remove Paraffin and Other Contaminating Substances from Oil and Gas Production and Processing Equipment Oct 26, 2023 Pending
Array ( [id] => 19098010 [patent_doc_number] => 20240117238 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => EXTENDED RELEASE ASPHALTENE INHIBITOR COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/373687 [patent_app_country] => US [patent_app_date] => 2023-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17273 [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] => 18373687 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/373687
EXTENDED RELEASE ASPHALTENE INHIBITOR COMPOSITION Sep 26, 2023 Pending
Array ( [id] => 20144134 [patent_doc_number] => 12378463 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Water-based resin with elasticity for applications in cementing and subterranean structures [patent_app_type] => utility [patent_app_number] => 18/468163 [patent_app_country] => US [patent_app_date] => 2023-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 12 [patent_no_of_words] => 8837 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18468163 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/468163
Water-based resin with elasticity for applications in cementing and subterranean structures Sep 14, 2023 Issued
Array ( [id] => 19172713 [patent_doc_number] => 20240158687 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => HIGH-TEMPERATURE FLUIDS FOR COILED TUBING APPLICATIONS AND METHODS THEREOF [patent_app_type] => utility [patent_app_number] => 18/456645 [patent_app_country] => US [patent_app_date] => 2023-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5244 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18456645 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/456645
HIGH-TEMPERATURE FLUIDS FOR COILED TUBING APPLICATIONS AND METHODS THEREOF Aug 27, 2023 Abandoned
Array ( [id] => 18817730 [patent_doc_number] => 20230392070 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => ULTRA HIGH ACTIVITY SLURRY FOR HYDRAULIC FRACTURING [patent_app_type] => utility [patent_app_number] => 18/235636 [patent_app_country] => US [patent_app_date] => 2023-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3150 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 18235636 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/235636
ULTRA HIGH ACTIVITY SLURRY FOR HYDRAULIC FRACTURING Aug 17, 2023 Abandoned
Array ( [id] => 18808836 [patent_doc_number] => 20230383170 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => COMPOSITIONS TO STABILIZE ASPHALTENES IN PETROLEUM FLUIDS [patent_app_type] => utility [patent_app_number] => 18/233778 [patent_app_country] => US [patent_app_date] => 2023-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6352 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18233778 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/233778
COMPOSITIONS TO STABILIZE ASPHALTENES IN PETROLEUM FLUIDS Aug 13, 2023 Pending
Array ( [id] => 19778672 [patent_doc_number] => 12227696 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-18 [patent_title] => Instant soluble temperature and salt resistant polyacrylamide and the preparation method and application thereof [patent_app_type] => utility [patent_app_number] => 18/358879 [patent_app_country] => US [patent_app_date] => 2023-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7610 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 274 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18358879 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/358879
Instant soluble temperature and salt resistant polyacrylamide and the preparation method and application thereof Jul 24, 2023 Issued
Array ( [id] => 20492796 [patent_doc_number] => 12534659 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-27 [patent_title] => Ionic liquid monomer for synthesis of friction reducer and methods thereof [patent_app_type] => utility [patent_app_number] => 18/351255 [patent_app_country] => US [patent_app_date] => 2023-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2163 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18351255 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/351255
Ionic liquid monomer for synthesis of friction reducer and methods thereof Jul 11, 2023 Issued
Array ( [id] => 18724826 [patent_doc_number] => 20230338988 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => Method of Pretreating a Pipeline or Apparatus [patent_app_type] => utility [patent_app_number] => 18/343123 [patent_app_country] => US [patent_app_date] => 2023-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17974 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18343123 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/343123
Method of Pretreating a Pipeline or Apparatus Jun 27, 2023 Pending
Array ( [id] => 20272159 [patent_doc_number] => 12441929 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Treatment fluid stabilized to prevent polymer reaction [patent_app_type] => utility [patent_app_number] => 18/213486 [patent_app_country] => US [patent_app_date] => 2023-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1030 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18213486 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/213486
Treatment fluid stabilized to prevent polymer reaction Jun 22, 2023 Issued
Array ( [id] => 18743689 [patent_doc_number] => 20230352677 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => POSITIVE ELECTRODE MATERIAL, ELECTROCHEMICAL APPARATUS, AND ELECTRONIC APPARATUS [patent_app_type] => utility [patent_app_number] => 18/207899 [patent_app_country] => US [patent_app_date] => 2023-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8861 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18207899 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/207899
POSITIVE ELECTRODE MATERIAL, ELECTROCHEMICAL APPARATUS, AND ELECTRONIC APPARATUS Jun 8, 2023 Pending
Menu