Search

Stephen M Hepperle

Supervisory Patent Examiner (ID: 7260, Phone: (571)272-4913 , Office: P/3700 )

Most Active Art Unit
3407
Art Unit(s)
3753, 3407, 3700
Total Applications
2621
Issued Applications
2150
Pending Applications
140
Abandoned Applications
331

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17185050 [patent_doc_number] => 20210331935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => METHODS AND APPARATUS FOR STABILIZING VANADIUM COMPOUNDS [patent_app_type] => utility [patent_app_number] => 17/238424 [patent_app_country] => US [patent_app_date] => 2021-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5255 [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] => 17238424 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/238424
METHODS AND APPARATUS FOR STABILIZING VANADIUM COMPOUNDS Apr 22, 2021 Pending
Array ( [id] => 19210965 [patent_doc_number] => 12000015 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-04 [patent_title] => Method of improving gold recovery in a cyanide leaching circuit [patent_app_type] => utility [patent_app_number] => 17/216789 [patent_app_country] => US [patent_app_date] => 2021-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6560 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17216789 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/216789
Method of improving gold recovery in a cyanide leaching circuit Mar 29, 2021 Issued
Array ( [id] => 16978031 [patent_doc_number] => 20210222268 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => METHOD AND SYSTEM FOR TREATING MOLYBDENUM-CONTAINING SEWAGE IN MOLYBDENUM ORE AREA [patent_app_type] => utility [patent_app_number] => 17/214557 [patent_app_country] => US [patent_app_date] => 2021-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5646 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17214557 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/214557
METHOD AND SYSTEM FOR TREATING MOLYBDENUM-CONTAINING SEWAGE IN MOLYBDENUM ORE AREA Mar 25, 2021 Pending
Array ( [id] => 16932268 [patent_doc_number] => 20210198157 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => ENHANCED CARBONATION AND CARBON SEQUESTRATION IN CEMENTITIOUS BINDERS [patent_app_type] => utility [patent_app_number] => 17/199215 [patent_app_country] => US [patent_app_date] => 2021-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10565 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17199215 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/199215
ENHANCED CARBONATION AND CARBON SEQUESTRATION IN CEMENTITIOUS BINDERS Mar 10, 2021 Pending
Array ( [id] => 16899372 [patent_doc_number] => 20210178288 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => Processes For Removing Reactive Solvent From Lithium Bis(Fluorosulfonyl)Imide (LiFSI) Using Organic Solvents That Are Stable Toward Anodes In Lithium-Ion And Lithium-Metal Batteries [patent_app_type] => utility [patent_app_number] => 17/189712 [patent_app_country] => US [patent_app_date] => 2021-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19974 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17189712 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/189712
Processes For Removing Reactive Solvent From Lithium Bis(Fluorosulfonyl)Imide (LiFSI) Using Organic Solvents That Are Stable Toward Anodes In Lithium-Ion And Lithium-Metal Batteries Mar 1, 2021 Pending
Array ( [id] => 16948549 [patent_doc_number] => 20210207240 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-08 [patent_title] => METHOD FOR LITHIUM PROCESSING [patent_app_type] => utility [patent_app_number] => 17/249032 [patent_app_country] => US [patent_app_date] => 2021-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2638 [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] => 17249032 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/249032
METHOD FOR LITHIUM PROCESSING Feb 16, 2021 Pending
Array ( [id] => 19354376 [patent_doc_number] => 12054807 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-06 [patent_title] => Process and method for refining lithium carbonate starting from an impure lithium chloride solution [patent_app_type] => utility [patent_app_number] => 17/115140 [patent_app_country] => US [patent_app_date] => 2020-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 9252 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17115140 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/115140
Process and method for refining lithium carbonate starting from an impure lithium chloride solution Dec 7, 2020 Issued
Array ( [id] => 16889254 [patent_doc_number] => 20210175451 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => PB-FREE PEROVSKITE MATERIALS FOR SHORT WAVE IR DEVICES [patent_app_type] => utility [patent_app_number] => 17/089096 [patent_app_country] => US [patent_app_date] => 2020-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4020 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17089096 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/089096
PB-FREE PEROVSKITE MATERIALS FOR SHORT WAVE IR DEVICES Nov 3, 2020 Pending
Array ( [id] => 16792826 [patent_doc_number] => 20210122643 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => SALT PRODUCTION VIA HYDROHALITE DECOMPOSITION [patent_app_type] => utility [patent_app_number] => 17/039481 [patent_app_country] => US [patent_app_date] => 2020-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4362 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17039481 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/039481
Salt production via hydrohalite decomposition Sep 29, 2020 Issued
Array ( [id] => 17214962 [patent_doc_number] => 20210348299 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-11 [patent_title] => COMPOSITE POLYCRYSTALLINE DIAMOND, AND COMPOSITION AND METHOD FOR MAKING THE SAME [patent_app_type] => utility [patent_app_number] => 17/039412 [patent_app_country] => US [patent_app_date] => 2020-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1955 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17039412 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/039412
COMPOSITE POLYCRYSTALLINE DIAMOND, AND COMPOSITION AND METHOD FOR MAKING THE SAME Sep 29, 2020 Pending
Array ( [id] => 17022656 [patent_doc_number] => 20210246527 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-12 [patent_title] => Method for the Removal and Recovery of Metals and Precious Metals from Substrates [patent_app_type] => utility [patent_app_number] => 17/025417 [patent_app_country] => US [patent_app_date] => 2020-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4432 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17025417 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/025417
Method for the Removal and Recovery of Metals and Precious Metals from Substrates Sep 17, 2020 Pending
Array ( [id] => 18980021 [patent_doc_number] => 11905181 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Method for preparing calcium oxide using a multistage suspension preheater kiln [patent_app_type] => utility [patent_app_number] => 16/993279 [patent_app_country] => US [patent_app_date] => 2020-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 8763 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 568 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16993279 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/993279
Method for preparing calcium oxide using a multistage suspension preheater kiln Aug 13, 2020 Issued
Array ( [id] => 17656857 [patent_doc_number] => 20220177322 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => PREPARATION OF SOLUBLE COMPOUNDS [patent_app_type] => utility [patent_app_number] => 17/599357 [patent_app_country] => US [patent_app_date] => 2020-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23058 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -47 [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] => 17599357 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/599357
PREPARATION OF SOLUBLE COMPOUNDS Apr 8, 2020 Pending
Array ( [id] => 17627052 [patent_doc_number] => 20220162067 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-26 [patent_title] => Chemical plant with a reforming section and a process for producing a chemical product [patent_app_type] => utility [patent_app_number] => 17/421414 [patent_app_country] => US [patent_app_date] => 2020-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10069 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17421414 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/421414
Chemical plant with a reforming section and a process for producing a chemical product Feb 26, 2020 Pending
Array ( [id] => 17578562 [patent_doc_number] => 20220135417 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => Use of Calcium Fluoride in the Bayer Process [patent_app_type] => utility [patent_app_number] => 17/433450 [patent_app_country] => US [patent_app_date] => 2020-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3868 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17433450 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/433450
Use of Calcium Fluoride in the Bayer Process Feb 23, 2020 Pending
Array ( [id] => 17504952 [patent_doc_number] => 20220098054 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => Method of Preparing Positive Electrode Active Material for Secondary Battery [patent_app_type] => utility [patent_app_number] => 17/422014 [patent_app_country] => US [patent_app_date] => 2020-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6543 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17422014 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/422014
Method of Preparing Positive Electrode Active Material for Secondary Battery Jan 20, 2020 Pending
Array ( [id] => 19325880 [patent_doc_number] => 12043544 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-23 [patent_title] => Flexible boron nitride nanoribbon aerogel and preparation method thereof [patent_app_type] => utility [patent_app_number] => 17/277733 [patent_app_country] => US [patent_app_date] => 2020-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 17 [patent_no_of_words] => 4614 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17277733 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/277733
Flexible boron nitride nanoribbon aerogel and preparation method thereof Jan 1, 2020 Issued
Array ( [id] => 17481936 [patent_doc_number] => 20220089440 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-24 [patent_title] => HYDROXYAPATITE PARTICULATE [patent_app_type] => utility [patent_app_number] => 17/418039 [patent_app_country] => US [patent_app_date] => 2019-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8016 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17418039 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/418039
HYDROXYAPATITE PARTICULATE Dec 26, 2019 Pending
Array ( [id] => 17473805 [patent_doc_number] => 20220081309 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => ALUMINA, ALUMINA SLURRY, ALUMINA FILM, LAMINATE SEPARATOR, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/418239 [patent_app_country] => US [patent_app_date] => 2019-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9793 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17418239 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/418239
ALUMINA, ALUMINA SLURRY, ALUMINA FILM, LAMINATE SEPARATOR, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF Dec 23, 2019 Pending
Array ( [id] => 18497303 [patent_doc_number] => 20230219919 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => LITHIUM EXTRACTION WITH CROWN ETHERS [patent_app_type] => utility [patent_app_number] => 17/415080 [patent_app_country] => US [patent_app_date] => 2019-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21367 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17415080 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/415080
LITHIUM EXTRACTION WITH CROWN ETHERS Dec 16, 2019 Pending
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