Search

Kevin P. Shaver

Supervisory Patent Examiner (ID: 2505, Phone: (571)272-4720 , Office: P/3754 )

Most Active Art Unit
3104
Art Unit(s)
2899, 3108, 3104, 3732, 3101, 3752, 3736, 3754
Total Applications
1590
Issued Applications
1285
Pending Applications
77
Abandoned Applications
227

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19580002 [patent_doc_number] => 12146102 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-11-19 [patent_title] => Enhanced oil recovery method and system using gemini surfactant [patent_app_type] => utility [patent_app_number] => 18/782087 [patent_app_country] => US [patent_app_date] => 2024-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 7648 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18782087 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/782087
Enhanced oil recovery method and system using gemini surfactant Jul 23, 2024 Issued
Array ( [id] => 19667688 [patent_doc_number] => 12180421 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-12-31 [patent_title] => Carbonate rock formation surfactant injection method [patent_app_type] => utility [patent_app_number] => 18/782094 [patent_app_country] => US [patent_app_date] => 2024-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 7637 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18782094 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/782094
Carbonate rock formation surfactant injection method Jul 23, 2024 Issued
Array ( [id] => 19580003 [patent_doc_number] => 12146103 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-11-19 [patent_title] => Pressure injection method for recovering hydrocarbons [patent_app_type] => utility [patent_app_number] => 18/782103 [patent_app_country] => US [patent_app_date] => 2024-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 7650 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18782103 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/782103
Pressure injection method for recovering hydrocarbons Jul 23, 2024 Issued
Array ( [id] => 19651460 [patent_doc_number] => 12173231 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-12-24 [patent_title] => Compositions and methods for increasing permeability in hydrocarbon shale formations [patent_app_type] => utility [patent_app_number] => 18/768521 [patent_app_country] => US [patent_app_date] => 2024-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 31 [patent_no_of_words] => 11652 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18768521 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/768521
Compositions and methods for increasing permeability in hydrocarbon shale formations Jul 9, 2024 Issued
Array ( [id] => 20608472 [patent_doc_number] => 12584062 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Method for stimulating injection wells using reducing agents [patent_app_type] => utility [patent_app_number] => 18/766096 [patent_app_country] => US [patent_app_date] => 2024-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3266 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18766096 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/766096
Method for stimulating injection wells using reducing agents Jul 7, 2024 Issued
Array ( [id] => 20445352 [patent_doc_number] => 20260002069 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-01 [patent_title] => CONTROLLABLE ASYMMETRIC SURFACE FUNCTIONALIZATION OF NANOMATERIALS WITH NATURAL POLYMER TEMPLATE [patent_app_type] => utility [patent_app_number] => 18/758431 [patent_app_country] => US [patent_app_date] => 2024-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18758431 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/758431
CONTROLLABLE ASYMMETRIC SURFACE FUNCTIONALIZATION OF NANOMATERIALS WITH NATURAL POLYMER TEMPLATE Jun 27, 2024 Pending
Array ( [id] => 20426713 [patent_doc_number] => 20250388800 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-25 [patent_title] => METHODS FOR FREEING DIFFERENTIALLY STUCK PIPES [patent_app_type] => utility [patent_app_number] => 18/747841 [patent_app_country] => US [patent_app_date] => 2024-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18747841 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/747841
METHODS FOR FREEING DIFFERENTIALLY STUCK PIPES Jun 18, 2024 Pending
Array ( [id] => 19572079 [patent_doc_number] => 20240376371 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => SURFACTANTS FOR OIL AND GAS PRODUCTION [patent_app_type] => utility [patent_app_number] => 18/746387 [patent_app_country] => US [patent_app_date] => 2024-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18190 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18746387 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/746387
Surfactants for oil and gas production Jun 17, 2024 Issued
Array ( [id] => 20122095 [patent_doc_number] => 20250237126 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => FRACTURING FLUIDS AND HYDRAULIC FRACTURING METHODS UTILIZING COKE PROPPANT IN COMBINATION WITH NON-COKE PROPPANT [patent_app_type] => utility [patent_app_number] => 18/675696 [patent_app_country] => US [patent_app_date] => 2024-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13696 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -41 [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] => 18675696 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/675696
FRACTURING FLUIDS AND HYDRAULIC FRACTURING METHODS UTILIZING COKE PROPPANT IN COMBINATION WITH NON-COKE PROPPANT May 27, 2024 Pending
Array ( [id] => 20122096 [patent_doc_number] => 20250237127 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => HYDRAULIC FRACTURING FLUID COMPRISING MICROPROPPANT COKE PARTICLES, METHOD FOR MAKING SAME, AND HYDRAULIC FRACTURING PROCESSES USING SAME [patent_app_type] => utility [patent_app_number] => 18/675613 [patent_app_country] => US [patent_app_date] => 2024-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12337 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -65 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18675613 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/675613
HYDRAULIC FRACTURING FLUID COMPRISING MICROPROPPANT COKE PARTICLES, METHOD FOR MAKING SAME, AND HYDRAULIC FRACTURING PROCESSES USING SAME May 27, 2024 Pending
Array ( [id] => 19615771 [patent_doc_number] => 20240401451 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => ESP SHIELDING VIA TOE-DOMINANT SOLVENT INJECTION [patent_app_type] => utility [patent_app_number] => 18/675903 [patent_app_country] => US [patent_app_date] => 2024-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6686 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18675903 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/675903
ESP shielding via toe-dominant solvent injection May 27, 2024 Issued
Array ( [id] => 20121755 [patent_doc_number] => 20250236786 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => PROPPANT PARTICLES FORMED FROM FLUID COKE AND FLEXICOKE, FRACTURING FLUIDS COMPRISING SUCH PROPPANT PARTICLES, AND METHODS RELATED THERETO [patent_app_type] => utility [patent_app_number] => 18/675651 [patent_app_country] => US [patent_app_date] => 2024-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13622 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18675651 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/675651
Proppant particles formed from fluid coke and flexicoke, fracturing fluids comprising such proppant particles, and methods related thereto May 27, 2024 Issued
Array ( [id] => 20122097 [patent_doc_number] => 20250237128 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => METHODS FOR PRODUCING HYDROCARBON FLUIDS WITH REDUCED WATER-OIL RATIO BY UTILIZING OIL-WET PETROLEUM COKE PROPPANT PARTICLES DURING HYDRAULIC FRACTURING [patent_app_type] => utility [patent_app_number] => 18/675624 [patent_app_country] => US [patent_app_date] => 2024-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13061 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 18675624 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/675624
METHODS FOR PRODUCING HYDROCARBON FLUIDS WITH REDUCED WATER-OIL RATIO BY UTILIZING OIL-WET PETROLEUM COKE PROPPANT PARTICLES DURING HYDRAULIC FRACTURING May 27, 2024 Pending
Array ( [id] => 20122098 [patent_doc_number] => 20250237129 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => HYDRAULIC FRACTURING METHODS UTILIZING COKE PROPPANT PARTICLES [patent_app_type] => utility [patent_app_number] => 18/675644 [patent_app_country] => US [patent_app_date] => 2024-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14606 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18675644 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/675644
HYDRAULIC FRACTURING METHODS UTILIZING COKE PROPPANT PARTICLES May 27, 2024 Pending
Array ( [id] => 19449598 [patent_doc_number] => 20240309728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => SELF-SETTING PLUG [patent_app_type] => utility [patent_app_number] => 18/672622 [patent_app_country] => US [patent_app_date] => 2024-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5266 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18672622 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/672622
Self-setting plug May 22, 2024 Issued
Array ( [id] => 19449131 [patent_doc_number] => 20240309261 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => SYNTHESIS AND USE OF GRAFTED GRAPHENE IN AQUEOUS DRILLING FLUIDS AS LOW SHEAR RATE VISCOSITY ENHANCER [patent_app_type] => utility [patent_app_number] => 18/672094 [patent_app_country] => US [patent_app_date] => 2024-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5698 [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] => 18672094 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/672094
Synthesis and use of grafted graphene in aqueous drilling fluids as low shear rate viscosity enhancer May 22, 2024 Issued
Array ( [id] => 19977681 [patent_doc_number] => 12345147 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Multi-stage temporary plugging fracturing method based on stress cage effect, device thereof and storage medium [patent_app_type] => utility [patent_app_number] => 18/666942 [patent_app_country] => US [patent_app_date] => 2024-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3368 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18666942 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/666942
Multi-stage temporary plugging fracturing method based on stress cage effect, device thereof and storage medium May 16, 2024 Issued
Array ( [id] => 19753247 [patent_doc_number] => 20250041812 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => HOT CRUDE GRAVITY DRAINAGE (HCGD) FOR HEAVY AND EXTRA-HEAVY ENHANCED OIL RECOVERY (EOR) [patent_app_type] => utility [patent_app_number] => 18/667222 [patent_app_country] => US [patent_app_date] => 2024-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4991 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18667222 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/667222
Hot crude gravity drainage (HCGD) for heavy and extra-heavy enhanced oil recovery (EOR) May 16, 2024 Issued
Array ( [id] => 20241490 [patent_doc_number] => 12421799 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Whipstock to plug and abandon wellbore below setting depth [patent_app_type] => utility [patent_app_number] => 18/667229 [patent_app_country] => US [patent_app_date] => 2024-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 0 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18667229 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/667229
Whipstock to plug and abandon wellbore below setting depth May 16, 2024 Issued
Array ( [id] => 20321547 [patent_doc_number] => 20250333635 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => OXIDIZER ENHANCED EMULSIFIED SOLVENT SYSTEMS TO DISSOLVE AND REMOVE TAR [patent_app_type] => utility [patent_app_number] => 18/647682 [patent_app_country] => US [patent_app_date] => 2024-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1091 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18647682 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/647682
OXIDIZER ENHANCED EMULSIFIED SOLVENT SYSTEMS TO DISSOLVE AND REMOVE TAR Apr 25, 2024 Pending
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