Search

Ashish K. Varma

Examiner (ID: 1041, Phone: (571)272-9565 , Office: P/3674 )

Most Active Art Unit
3674
Art Unit(s)
3674
Total Applications
547
Issued Applications
404
Pending Applications
40
Abandoned Applications
119

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18871337 [patent_doc_number] => 11859126 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-02 [patent_title] => Method of using crosslinked guar polymer as fluid loss pill [patent_app_type] => utility [patent_app_number] => 16/044313 [patent_app_country] => US [patent_app_date] => 2018-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6231 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16044313 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/044313
Method of using crosslinked guar polymer as fluid loss pill Jul 23, 2018 Issued
Array ( [id] => 16817313 [patent_doc_number] => 11002123 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-11 [patent_title] => Thermal recovery methods for recovering viscous hydrocarbons from a subterranean formation [patent_app_type] => utility [patent_app_number] => 16/040669 [patent_app_country] => US [patent_app_date] => 2018-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 13229 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16040669 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/040669
Thermal recovery methods for recovering viscous hydrocarbons from a subterranean formation Jul 19, 2018 Issued
Array ( [id] => 13842011 [patent_doc_number] => 20190024490 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-24 [patent_title] => METHODS FOR TEMPORARY FRACTURE ISOLATION [patent_app_type] => utility [patent_app_number] => 16/040879 [patent_app_country] => US [patent_app_date] => 2018-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6421 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16040879 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/040879
Methods for temporary fracture isolation Jul 19, 2018 Issued
Array ( [id] => 17104860 [patent_doc_number] => 11125063 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-21 [patent_title] => Accelerated interval communication using openholes [patent_app_type] => utility [patent_app_number] => 16/039757 [patent_app_country] => US [patent_app_date] => 2018-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8859 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16039757 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/039757
Accelerated interval communication using openholes Jul 18, 2018 Issued
Array ( [id] => 16170013 [patent_doc_number] => 10711566 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-14 [patent_title] => Wellbore cementing system [patent_app_type] => utility [patent_app_number] => 16/037033 [patent_app_country] => US [patent_app_date] => 2018-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4052 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16037033 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/037033
Wellbore cementing system Jul 16, 2018 Issued
Array ( [id] => 13872239 [patent_doc_number] => 20190032460 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-31 [patent_title] => METHOD OF SOLVENT RECOVERY FROM A SOLVENT BASED HEAVY OIL EXTRACTION PROCESS [patent_app_type] => utility [patent_app_number] => 16/036392 [patent_app_country] => US [patent_app_date] => 2018-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22226 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16036392 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/036392
METHOD OF SOLVENT RECOVERY FROM A SOLVENT BASED HEAVY OIL EXTRACTION PROCESS Jul 15, 2018 Abandoned
Array ( [id] => 13872243 [patent_doc_number] => 20190032462 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-31 [patent_title] => ENHANCED METHODS FOR RECOVERING VISCOUS HYDROCARBONS FROM A SUBTERRANEAN FORMATION AS A FOLLOW-UP TO THERMAL RECOVERY PROCESSES [patent_app_type] => utility [patent_app_number] => 16/036400 [patent_app_country] => US [patent_app_date] => 2018-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11258 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16036400 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/036400
Enhanced methods for recovering viscous hydrocarbons from a subterranean formation as a follow-up to thermal recovery processes Jul 15, 2018 Issued
Array ( [id] => 18117685 [patent_doc_number] => 11549067 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-10 [patent_title] => Remediation of rag layer and other disposable layers in oil tanks and storage equipment [patent_app_type] => utility [patent_app_number] => 16/617208 [patent_app_country] => US [patent_app_date] => 2018-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 11011 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [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] => 16617208 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/617208
Remediation of rag layer and other disposable layers in oil tanks and storage equipment Jun 11, 2018 Issued
Array ( [id] => 13552209 [patent_doc_number] => 20180327652 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-15 [patent_title] => METHODS OF RECOVERING A HYDROCARBON MATERIAL CONTAINED WITHIN A SUBTERRANEAN FORMATION [patent_app_type] => utility [patent_app_number] => 15/973028 [patent_app_country] => US [patent_app_date] => 2018-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8055 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15973028 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/973028
METHODS OF RECOVERING A HYDROCARBON MATERIAL CONTAINED WITHIN A SUBTERRANEAN FORMATION May 6, 2018 Abandoned
Array ( [id] => 15964305 [patent_doc_number] => 20200165904 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-28 [patent_title] => VEHICLE, METHOD, AND SYSTEM FOR WASTE MATERIALS [patent_app_type] => utility [patent_app_number] => 16/610795 [patent_app_country] => US [patent_app_date] => 2018-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9763 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16610795 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/610795
VEHICLE, METHOD, AND SYSTEM FOR WASTE MATERIALS May 2, 2018 Abandoned
Array ( [id] => 15557215 [patent_doc_number] => 20200063019 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-27 [patent_title] => ULTRASONIC SOLUBILISATION OF SURFACTANTS FOR ENHANCED OIL RECOVERY [patent_app_type] => utility [patent_app_number] => 16/611112 [patent_app_country] => US [patent_app_date] => 2018-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2672 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 16611112 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/611112
ULTRASONIC SOLUBILISATION OF SURFACTANTS FOR ENHANCED OIL RECOVERY May 2, 2018 Abandoned
Array ( [id] => 13358463 [patent_doc_number] => 20180230771 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-16 [patent_title] => PERMEABLE LOST CIRCULATION DRILLING LINER [patent_app_type] => utility [patent_app_number] => 15/956449 [patent_app_country] => US [patent_app_date] => 2018-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3467 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15956449 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/956449
Permeable lost circulation drilling liner Apr 17, 2018 Issued
Array ( [id] => 13479435 [patent_doc_number] => 20180291260 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-11 [patent_title] => CROSSLINKER MODIFIED FILAMENT AND FABRIC FOR PLACEMENT OF PROPPANT ANTI-SETTLING AGENTS IN HYDRAULIC FRACTURES [patent_app_type] => utility [patent_app_number] => 15/948657 [patent_app_country] => US [patent_app_date] => 2018-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6193 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15948657 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/948657
CROSSLINKER MODIFIED FILAMENT AND FABRIC FOR PLACEMENT OF PROPPANT ANTI-SETTLING AGENTS IN HYDRAULIC FRACTURES Apr 8, 2018 Abandoned
Array ( [id] => 13343269 [patent_doc_number] => 20180223174 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-09 [patent_title] => METHOD FOR A FRACTURING FLUID SYSTEM AT HIGH TEMPERATURES [patent_app_type] => utility [patent_app_number] => 15/948766 [patent_app_country] => US [patent_app_date] => 2018-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5700 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 15948766 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/948766
Method for a fracturing fluid system at high temperatures Apr 8, 2018 Issued
Array ( [id] => 18478392 [patent_doc_number] => 11692123 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-04 [patent_title] => Method of consolidating subterranean formations using cationic and anionic and/or non-ionic polymers [patent_app_type] => utility [patent_app_number] => 16/500905 [patent_app_country] => US [patent_app_date] => 2018-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 7200 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16500905 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/500905
Method of consolidating subterranean formations using cationic and anionic and/or non-ionic polymers Apr 4, 2018 Issued
Array ( [id] => 14455023 [patent_doc_number] => 10323464 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-06-18 [patent_title] => Wellbore drill bit nozzle [patent_app_type] => utility [patent_app_number] => 15/944957 [patent_app_country] => US [patent_app_date] => 2018-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 5892 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15944957 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/944957
Wellbore drill bit nozzle Apr 3, 2018 Issued
Array ( [id] => 13278661 [patent_doc_number] => 10150904 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-12-11 [patent_title] => Nano zeolite cement additive and methods of use [patent_app_type] => utility [patent_app_number] => 15/941350 [patent_app_country] => US [patent_app_date] => 2018-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 17 [patent_no_of_words] => 17182 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15941350 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/941350
Nano zeolite cement additive and methods of use Mar 29, 2018 Issued
Array ( [id] => 13429361 [patent_doc_number] => 20180266223 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-20 [patent_title] => MICROBIALLY ENHANCED THERMAL OIL RECOVERY [patent_app_type] => utility [patent_app_number] => 15/762557 [patent_app_country] => US [patent_app_date] => 2018-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7358 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 15762557 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/762557
Microbially enhanced thermal oil recovery Mar 21, 2018 Issued
Array ( [id] => 15619175 [patent_doc_number] => 20200079992 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-12 [patent_title] => ENHANCED OIL RECOVERY METHOD USING A (CO)POLYMER OF A HYDRATED CRYSTALLINE FORM OF 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID [patent_app_type] => utility [patent_app_number] => 16/494844 [patent_app_country] => US [patent_app_date] => 2018-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7861 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16494844 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/494844
Enhanced oil recovery method using a (co)polymer of a hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid Mar 18, 2018 Issued
Array ( [id] => 16832260 [patent_doc_number] => 11008501 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-18 [patent_title] => Nanosurfactants for improved and enhanced oil recovery applications [patent_app_type] => utility [patent_app_number] => 15/917097 [patent_app_country] => US [patent_app_date] => 2018-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 52 [patent_no_of_words] => 10571 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [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] => 15917097 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/917097
Nanosurfactants for improved and enhanced oil recovery applications Mar 8, 2018 Issued
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