Search

Angela Marie Ditran Leff

Examiner (ID: 14493)

Most Active Art Unit
3674
Art Unit(s)
3674, 3676
Total Applications
1207
Issued Applications
793
Pending Applications
98
Abandoned Applications
329

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19234398 [patent_doc_number] => 20240191591 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => Hydrated Metal Carbonate For Carbon Capture And Underground Storage [patent_app_type] => utility [patent_app_number] => 18/078552 [patent_app_country] => US [patent_app_date] => 2022-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3970 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18078552 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/078552
Hydrated metal carbonate for carbon capture and underground storage Dec 8, 2022 Issued
Array ( [id] => 18281305 [patent_doc_number] => 20230096777 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => SAND CONSOLIDATION BY ENZYME MEDIATED CALCIUM CARBONATE PRECIPITATION [patent_app_type] => utility [patent_app_number] => 18/061353 [patent_app_country] => US [patent_app_date] => 2022-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4903 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 18061353 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/061353
Sand consolidation by enzyme mediated calcium carbonate precipitation Dec 1, 2022 Issued
Array ( [id] => 19188022 [patent_doc_number] => 20240166935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => DRILL-IN FLUIDS USING CALCIUM CARBONATE PARTICLES FORMED FROM SEQUESTERED CARBON DIOXIDE [patent_app_type] => utility [patent_app_number] => 18/056465 [patent_app_country] => US [patent_app_date] => 2022-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6054 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18056465 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/056465
DRILL-IN FLUIDS USING CALCIUM CARBONATE PARTICLES FORMED FROM SEQUESTERED CARBON DIOXIDE Nov 16, 2022 Abandoned
Array ( [id] => 20779665 [patent_doc_number] => 20260167858 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-06-18 [patent_title] => Injection Fluids Comprising Propoxylated Alcohols and the Use of Such Fluids for Acid Stimulation During Oil Recovery Processes [patent_app_type] => utility [patent_app_number] => 18/707394 [patent_app_country] => US [patent_app_date] => 2022-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 819 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18707394 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/707394
Injection Fluids Comprising Propoxylated Alcohols and the Use of Such Fluids for Acid Stimulation During Oil Recovery Processes Nov 7, 2022 Pending
Array ( [id] => 19151340 [patent_doc_number] => 11976239 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-07 [patent_title] => Method of removing non-aqueous drilling mud with banana containing fluid [patent_app_type] => utility [patent_app_number] => 17/980972 [patent_app_country] => US [patent_app_date] => 2022-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 5513 [patent_no_of_claims] => 20 [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] => 17980972 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/980972
Method of removing non-aqueous drilling mud with banana containing fluid Nov 3, 2022 Issued
Array ( [id] => 20549279 [patent_doc_number] => 12560063 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Method of enhancing foam stability for stimulation of low pressure reservoirs [patent_app_type] => utility [patent_app_number] => 17/978538 [patent_app_country] => US [patent_app_date] => 2022-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3423 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 312 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17978538 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/978538
Method of enhancing foam stability for stimulation of low pressure reservoirs Oct 31, 2022 Issued
Array ( [id] => 20536248 [patent_doc_number] => 12553315 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => Method of measuring carbon dioxide sequestration [patent_app_type] => utility [patent_app_number] => 18/704346 [patent_app_country] => US [patent_app_date] => 2022-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1284 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18704346 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/704346
Method of measuring carbon dioxide sequestration Oct 30, 2022 Issued
Array ( [id] => 19397497 [patent_doc_number] => 12071850 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-27 [patent_title] => Optimizing steam and solvent injection timing in oil production [patent_app_type] => utility [patent_app_number] => 18/049304 [patent_app_country] => US [patent_app_date] => 2022-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 7538 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 18049304 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/049304
Optimizing steam and solvent injection timing in oil production Oct 24, 2022 Issued
Array ( [id] => 18478391 [patent_doc_number] => 11692122 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-04 [patent_title] => Geopolymer cement compositions and methods of use [patent_app_type] => utility [patent_app_number] => 17/970782 [patent_app_country] => US [patent_app_date] => 2022-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4595 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17970782 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/970782
Geopolymer cement compositions and methods of use Oct 20, 2022 Issued
Array ( [id] => 18309103 [patent_doc_number] => 20230113003 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => FLUID SYSTEMS FOR EXPANDING SHAPE MEMORY POLYMERS AND REMOVING WATER-BASED FILTER CAKES [patent_app_type] => utility [patent_app_number] => 17/962700 [patent_app_country] => US [patent_app_date] => 2022-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7191 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 17962700 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/962700
Fluid systems for expanding shape memory polymers and removing water-based filter cakes Oct 9, 2022 Issued
Array ( [id] => 19505455 [patent_doc_number] => 12116868 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Method and systems for subsurface carbon capture [patent_app_type] => utility [patent_app_number] => 17/937655 [patent_app_country] => US [patent_app_date] => 2022-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 17 [patent_no_of_words] => 8107 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17937655 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/937655
Method and systems for subsurface carbon capture Oct 2, 2022 Issued
Array ( [id] => 19536882 [patent_doc_number] => 12129423 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-29 [patent_title] => Well conditioning method for wireline logging using dedicated aqueous based drilling fluid composition [patent_app_type] => utility [patent_app_number] => 17/957912 [patent_app_country] => US [patent_app_date] => 2022-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2710 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 324 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17957912 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/957912
Well conditioning method for wireline logging using dedicated aqueous based drilling fluid composition Sep 29, 2022 Issued
Array ( [id] => 19586595 [patent_doc_number] => 20240384152 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => SODIUM DECYL- AND LAURYLGLUCOSIDES HYDROXYPROPYL PHOSPHATES AS LUBRICATING AGENTS IN AQUEOUS BASED DRILLING FLUIDS [patent_app_type] => utility [patent_app_number] => 18/693135 [patent_app_country] => US [patent_app_date] => 2022-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4492 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18693135 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/693135
SODIUM DECYL- AND LAURYLGLUCOSIDES HYDROXYPROPYL PHOSPHATES AS LUBRICATING AGENTS IN AQUEOUS BASED DRILLING FLUIDS Sep 15, 2022 Pending
Array ( [id] => 18718049 [patent_doc_number] => 11795383 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Storable liquid suspension of hollow particles [patent_app_type] => utility [patent_app_number] => 17/940813 [patent_app_country] => US [patent_app_date] => 2022-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 8863 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17940813 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/940813
Storable liquid suspension of hollow particles Sep 7, 2022 Issued
Array ( [id] => 19536892 [patent_doc_number] => 12129433 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-29 [patent_title] => Wet-air oxidation of kerogen in subterranean formations [patent_app_type] => utility [patent_app_number] => 17/903620 [patent_app_country] => US [patent_app_date] => 2022-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4535 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17903620 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/903620
Wet-air oxidation of kerogen in subterranean formations Sep 5, 2022 Issued
Array ( [id] => 19051117 [patent_doc_number] => 20240093086 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => HYDROPHIBIC CARBON-DOTS FOR OIL TRACERS [patent_app_type] => utility [patent_app_number] => 17/929587 [patent_app_country] => US [patent_app_date] => 2022-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5949 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17929587 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/929587
HYDROPHIBIC CARBON-DOTS FOR OIL TRACERS Sep 1, 2022 Pending
Array ( [id] => 19556661 [patent_doc_number] => 20240368453 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => ULTRA-SHORT HYDROPHOBE ALKOXYLATES AS SURFACTANTS [patent_app_type] => utility [patent_app_number] => 18/687026 [patent_app_country] => US [patent_app_date] => 2022-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 42622 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18687026 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/687026
ULTRA-SHORT HYDROPHOBE ALKOXYLATES AS SURFACTANTS Aug 28, 2022 Pending
Array ( [id] => 19003795 [patent_doc_number] => 20240067866 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => ETHER AND CARBON DIOXIDE MIXTURES TO ENHANCE HYDROCARBON RECOVERY FROM AN UNDERGROUND FORMATION [patent_app_type] => utility [patent_app_number] => 17/893813 [patent_app_country] => US [patent_app_date] => 2022-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4410 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17893813 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/893813
ETHER AND CARBON DIOXIDE MIXTURES TO ENHANCE HYDROCARBON RECOVERY FROM AN UNDERGROUND FORMATION Aug 22, 2022 Abandoned
Array ( [id] => 18192326 [patent_doc_number] => 20230045845 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-16 [patent_title] => STEAM-ENHANCED HYDROCARBON RECOVERY USING HYDROGEN SULFIDE-SORBENT PARTICLES TO REDUCE HYDROGEN SULFIDE PRODUCTION FROM A SUBTERRANEAN RESERVOIR [patent_app_type] => utility [patent_app_number] => 17/817193 [patent_app_country] => US [patent_app_date] => 2022-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8062 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17817193 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/817193
Steam-enhanced hydrocarbon recovery using hydrogen sulfide-sorbent particles to reduce hydrogen sulfide production from a subterranean reservoir Aug 2, 2022 Issued
Array ( [id] => 18391597 [patent_doc_number] => 20230159815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => COMPOSITION AND METHODS FOR ENHANCING THE PRODUCTION OF HYDROCARBONS [patent_app_type] => utility [patent_app_number] => 17/877901 [patent_app_country] => US [patent_app_date] => 2022-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11359 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17877901 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/877901
Composition and methods for enhancing the production of hydrocarbons Jul 29, 2022 Issued
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