Search

Ashish K. Varma

Examiner (ID: 18617, Phone: (571)272-9565 , Office: P/3674 )

Most Active Art Unit
3674
Art Unit(s)
3674
Total Applications
526
Issued Applications
385
Pending Applications
39
Abandoned Applications
118

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18294434 [patent_doc_number] => 20230104120 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-06 [patent_title] => POLYHEDRAL OLIGOMERIC SILSESQUIOXANE AS RHEOLOGY BOOSTER FOR INVERT EMULSION OIL-BASED MUD [patent_app_type] => utility [patent_app_number] => 17/490294 [patent_app_country] => US [patent_app_date] => 2021-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4754 [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] => 17490294 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/490294
Polyhedral oligomeric silsesquioxane as rheology booster for invert emulsion oil-based mud Sep 29, 2021 Issued
Array ( [id] => 18287257 [patent_doc_number] => 20230102729 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => COMPOSITION AND METHOD OF MAKING CATIONIC SURFACTANTS WITH TWO QUATERNARY AMMONIUM HEAD GROUPS [patent_app_type] => utility [patent_app_number] => 17/490686 [patent_app_country] => US [patent_app_date] => 2021-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4153 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17490686 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/490686
Composition and method of making cationic surfactants with two quaternary ammonium head groups Sep 29, 2021 Issued
Array ( [id] => 18801775 [patent_doc_number] => 11834927 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-05 [patent_title] => Method for preventing saline scale in low-activity, aqueous-phase reservoir wells and its use [patent_app_type] => utility [patent_app_number] => 17/483877 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3215 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17483877 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/483877
Method for preventing saline scale in low-activity, aqueous-phase reservoir wells and its use Sep 23, 2021 Issued
Array ( [id] => 17343867 [patent_doc_number] => 20220010198 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-13 [patent_title] => METHODS OF RECOVERING A HYDROCARBON MATERIAL [patent_app_type] => utility [patent_app_number] => 17/484933 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10142 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17484933 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/484933
METHODS OF RECOVERING A HYDROCARBON MATERIAL Sep 23, 2021 Abandoned
Array ( [id] => 18153537 [patent_doc_number] => 11566503 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-01-31 [patent_title] => Oil recovery of a reservoir based on residual oil saturation [patent_app_type] => utility [patent_app_number] => 17/480734 [patent_app_country] => US [patent_app_date] => 2021-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 18 [patent_no_of_words] => 12137 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17480734 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/480734
Oil recovery of a reservoir based on residual oil saturation Sep 20, 2021 Issued
Array ( [id] => 19242388 [patent_doc_number] => 12012810 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-18 [patent_title] => Controlling lost circulation while drilling [patent_app_type] => utility [patent_app_number] => 17/458032 [patent_app_country] => US [patent_app_date] => 2021-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4295 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 17458032 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/458032
Controlling lost circulation while drilling Aug 25, 2021 Issued
Array ( [id] => 18013749 [patent_doc_number] => 11506034 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-11-22 [patent_title] => Method for enhancing shallow heavy oil reservoir production [patent_app_type] => utility [patent_app_number] => 17/409738 [patent_app_country] => US [patent_app_date] => 2021-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 35 [patent_no_of_words] => 10150 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17409738 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/409738
Method for enhancing shallow heavy oil reservoir production Aug 22, 2021 Issued
Array ( [id] => 18676013 [patent_doc_number] => 20230313637 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => BISMUTH AND CEMENT METHOD OF ABANDONING A WELL AND MEANS OF REAL TIME VERIFICATION OF THE BISMUTH AND CEMENT PLACEMENT PROCESS [patent_app_type] => utility [patent_app_number] => 18/042063 [patent_app_country] => US [patent_app_date] => 2021-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5071 [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] => 18042063 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/042063
BISMUTH AND CEMENT METHOD OF ABANDONING A WELL AND MEANS OF REAL TIME VERIFICATION OF THE BISMUTH AND CEMENT PLACEMENT PROCESS Aug 22, 2021 Abandoned
Array ( [id] => 18102936 [patent_doc_number] => 11542817 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-01-03 [patent_title] => Systems and methods for providing fluid lighteners while reducing downhole emulsifications [patent_app_type] => utility [patent_app_number] => 17/401227 [patent_app_country] => US [patent_app_date] => 2021-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 10791 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17401227 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/401227
Systems and methods for providing fluid lighteners while reducing downhole emulsifications Aug 11, 2021 Issued
Array ( [id] => 17300273 [patent_doc_number] => 20210396112 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => CONFORMANCE CONTROL IN HYDROCARBON RECOVERY [patent_app_type] => utility [patent_app_number] => 17/352164 [patent_app_country] => US [patent_app_date] => 2021-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9640 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 17352164 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/352164
Conformance control in hydrocarbon recovery Jun 17, 2021 Issued
Array ( [id] => 18436255 [patent_doc_number] => 20230183549 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => COMPOSITIONS AND METHODS FOR REDUCING INJECTION PRESSURE IN RESOURCE RECOVERY OPERATIONS [patent_app_type] => utility [patent_app_number] => 17/924871 [patent_app_country] => US [patent_app_date] => 2021-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6068 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17924871 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/924871
Compositions and methods for reducing injection pressure in resource recovery operations Jun 16, 2021 Issued
Array ( [id] => 20387032 [patent_doc_number] => 12486753 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Wellbore staged operation method and rubber plug for said method [patent_app_type] => utility [patent_app_number] => 18/001537 [patent_app_country] => US [patent_app_date] => 2021-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 1280 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18001537 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/001537
Wellbore staged operation method and rubber plug for said method Jun 9, 2021 Issued
Array ( [id] => 18497611 [patent_doc_number] => 20230220269 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => USING SILICA NANOPARTICLES TO REDUCE THE DEPOSITION OF SOLID SULFUR IN NATURAL GAS WELLS [patent_app_type] => utility [patent_app_number] => 18/007574 [patent_app_country] => US [patent_app_date] => 2021-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2843 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18007574 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/007574
Using silica nanoparticles to reduce the deposition of solid sulfur in natural gas wells May 31, 2021 Issued
Array ( [id] => 18021374 [patent_doc_number] => 20220372873 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => ESTIMATED ULTIMATE RECOVERY FORECASTING IN UNCONVENTIONAL RESERVOIRS BASED ON FLOW CAPACITY [patent_app_type] => utility [patent_app_number] => 17/328735 [patent_app_country] => US [patent_app_date] => 2021-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9016 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17328735 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/328735
Estimated ultimate recovery forecasting in unconventional reservoirs based on flow capacity May 23, 2021 Issued
Array ( [id] => 18173071 [patent_doc_number] => 11572773 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-07 [patent_title] => Electromagnetic wave hybrid tool and methods [patent_app_type] => utility [patent_app_number] => 17/319858 [patent_app_country] => US [patent_app_date] => 2021-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3867 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17319858 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/319858
Electromagnetic wave hybrid tool and methods May 12, 2021 Issued
Array ( [id] => 18188001 [patent_doc_number] => 11578573 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-14 [patent_title] => Method for hydrocarbon recovery from an underground formation by injection of a saline aqueous solution comprising a surfactant [patent_app_type] => utility [patent_app_number] => 17/307728 [patent_app_country] => US [patent_app_date] => 2021-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 6828 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 599 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17307728 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/307728
Method for hydrocarbon recovery from an underground formation by injection of a saline aqueous solution comprising a surfactant May 3, 2021 Issued
Array ( [id] => 18202497 [patent_doc_number] => 11584880 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-21 [patent_title] => Autonomous extremophiles for downhole oil and gas applications controlled by metal silica nanoparticles [patent_app_type] => utility [patent_app_number] => 17/246007 [patent_app_country] => US [patent_app_date] => 2021-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7548 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17246007 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/246007
Autonomous extremophiles for downhole oil and gas applications controlled by metal silica nanoparticles Apr 29, 2021 Issued
Array ( [id] => 17563368 [patent_doc_number] => 20220127517 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => METHODS FOR PREPARING AND APPLYING A NANO EMULSIFIER [patent_app_type] => utility [patent_app_number] => 17/235903 [patent_app_country] => US [patent_app_date] => 2021-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9933 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17235903 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/235903
Methods for preparing and applying a nano emulsifier Apr 19, 2021 Issued
Array ( [id] => 19977671 [patent_doc_number] => 12345137 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Swellable devices based on renewable raw materials and methods of using in wellbores [patent_app_type] => utility [patent_app_number] => 17/231255 [patent_app_country] => US [patent_app_date] => 2021-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17231255 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/231255
Swellable devices based on renewable raw materials and methods of using in wellbores Apr 14, 2021 Issued
Array ( [id] => 18216981 [patent_doc_number] => 11591907 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-02-28 [patent_title] => Systems and methods for providing fluid lighteners while reducing downhole emulsifications [patent_app_type] => utility [patent_app_number] => 17/230559 [patent_app_country] => US [patent_app_date] => 2021-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 10774 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17230559 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/230559
Systems and methods for providing fluid lighteners while reducing downhole emulsifications Apr 13, 2021 Issued
Menu