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] => 18739351 [patent_doc_number] => 20230348272 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => METHOD OF PREPARING SULFURYL FLUORIDE [patent_app_type] => utility [patent_app_number] => 18/343771 [patent_app_country] => US [patent_app_date] => 2023-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4508 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18343771 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/343771
Method of preparing sulfuryl fluoride Jun 28, 2023 Issued
Array ( [id] => 19397012 [patent_doc_number] => 12071353 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-27 [patent_title] => Recovery of bromine from waste bromide brines [patent_app_type] => utility [patent_app_number] => 18/100470 [patent_app_country] => US [patent_app_date] => 2023-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4158 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18100470 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/100470
Recovery of bromine from waste bromide brines Jan 22, 2023 Issued
Array ( [id] => 19060022 [patent_doc_number] => 11939229 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-26 [patent_title] => Method for treating copper-containing waste etching solution [patent_app_type] => utility [patent_app_number] => 17/990441 [patent_app_country] => US [patent_app_date] => 2022-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7139 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 333 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17990441 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/990441
Method for treating copper-containing waste etching solution Nov 17, 2022 Issued
Array ( [id] => 18144786 [patent_doc_number] => 20230018638 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => METHOD FOR PRODUCING HALIDE [patent_app_type] => utility [patent_app_number] => 17/933097 [patent_app_country] => US [patent_app_date] => 2022-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5778 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 17933097 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/933097
METHOD FOR PRODUCING HALIDE Sep 16, 2022 Pending
Array ( [id] => 18939500 [patent_doc_number] => 20240034639 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => NICKEL-IRON WET TREATMENT METHOD AND APPLICATION THEREOF [patent_app_type] => utility [patent_app_number] => 18/260241 [patent_app_country] => US [patent_app_date] => 2022-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2788 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 18260241 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/260241
Nickel-iron wet treatment method and application thereof Jun 5, 2022 Issued
Array ( [id] => 19033953 [patent_doc_number] => 20240083768 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => METHOD FOR PREPARING NICKEL SULFATE USING LOW-NICKEL FERRONICKEL [patent_app_type] => utility [patent_app_number] => 18/555735 [patent_app_country] => US [patent_app_date] => 2022-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6521 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18555735 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/555735
Method for preparing nickel sulfate using low-nickel ferronickel May 26, 2022 Issued
Array ( [id] => 19579760 [patent_doc_number] => 12145856 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-19 [patent_title] => Purification of ores using boronic acid-functional compounds [patent_app_type] => utility [patent_app_number] => 17/669568 [patent_app_country] => US [patent_app_date] => 2022-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11336 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17669568 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/669568
Purification of ores using boronic acid-functional compounds Feb 10, 2022 Issued
Array ( [id] => 17687514 [patent_doc_number] => 20220194806 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => LITHIUM OXIDE RECOVERY METHOD FROM LITHIUM MANGANESE OXIDE (LMO) [patent_app_type] => utility [patent_app_number] => 17/456109 [patent_app_country] => US [patent_app_date] => 2021-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3089 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 17456109 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/456109
LITHIUM OXIDE RECOVERY METHOD FROM LITHIUM MANGANESE OXIDE (LMO) Nov 21, 2021 Pending
Array ( [id] => 18674857 [patent_doc_number] => 20230312368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => PROCESS FOR PREPARING BATTERY GRADE METAL SULPHATE SOLUTIONS [patent_app_type] => utility [patent_app_number] => 18/044043 [patent_app_country] => US [patent_app_date] => 2021-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6257 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18044043 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/044043
PROCESS FOR PREPARING BATTERY GRADE METAL SULPHATE SOLUTIONS Sep 6, 2021 Pending
Array ( [id] => 17357196 [patent_doc_number] => 20220017992 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-20 [patent_title] => Step-Leaching Process of Rare Earth Elements from Ash Materials Using Mild Inorganic Acids at Ambient Conditions [patent_app_type] => utility [patent_app_number] => 17/376715 [patent_app_country] => US [patent_app_date] => 2021-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8056 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17376715 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/376715
Step-Leaching Process of Rare Earth Elements from Ash Materials Using Mild Inorganic Acids at Ambient Conditions Jul 14, 2021 Pending
Array ( [id] => 17199923 [patent_doc_number] => 20210340018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => CHEMICAL AGENT COMPRISING FLUORINE-CONTAINING POLYALUMINUM CHLORIDE [patent_app_type] => utility [patent_app_number] => 17/369339 [patent_app_country] => US [patent_app_date] => 2021-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9785 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17369339 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/369339
CHEMICAL AGENT COMPRISING FLUORINE-CONTAINING POLYALUMINUM CHLORIDE Jul 6, 2021 Pending
Array ( [id] => 17356581 [patent_doc_number] => 20220017377 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-20 [patent_title] => METHOD FOR PRODUCING TRANSPARENT CERAMICS [patent_app_type] => utility [patent_app_number] => 17/368305 [patent_app_country] => US [patent_app_date] => 2021-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6800 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17368305 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/368305
METHOD FOR PRODUCING TRANSPARENT CERAMICS Jul 5, 2021 Pending
Array ( [id] => 17111572 [patent_doc_number] => 20210292169 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => METHOD TO MAKE PHOSPHORIC ACID AND AMMONIUM PHOSPHATES FROM PHOSPHATE MINERALS [patent_app_type] => utility [patent_app_number] => 17/338825 [patent_app_country] => US [patent_app_date] => 2021-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5893 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17338825 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/338825
METHOD TO MAKE PHOSPHORIC ACID AND AMMONIUM PHOSPHATES FROM PHOSPHATE MINERALS Jun 3, 2021 Pending
Array ( [id] => 17356576 [patent_doc_number] => 20220017372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-20 [patent_title] => APPARATUS AND METHOD FOR DECOLORIZING DIAMONDS [patent_app_type] => utility [patent_app_number] => 17/336652 [patent_app_country] => US [patent_app_date] => 2021-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1920 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17336652 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/336652
Apparatus and method for decolorizing diamonds Jun 1, 2021 Issued
Array ( [id] => 17199925 [patent_doc_number] => 20210340020 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => SURFACE MODIFIERS FOR PREPARING AGE-RESISTANT INORGANIC SALTS [patent_app_type] => utility [patent_app_number] => 17/324226 [patent_app_country] => US [patent_app_date] => 2021-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2739 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17324226 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/324226
SURFACE MODIFIERS FOR PREPARING AGE-RESISTANT INORGANIC SALTS May 18, 2021 Pending
Array ( [id] => 19441084 [patent_doc_number] => 12091324 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => Method for producing halide [patent_app_type] => utility [patent_app_number] => 17/323933 [patent_app_country] => US [patent_app_date] => 2021-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4381 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17323933 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/323933
Method for producing halide May 17, 2021 Issued
Array ( [id] => 17067108 [patent_doc_number] => 20210269323 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => HALIDE PRODUCTION METHOD [patent_app_type] => utility [patent_app_number] => 17/323920 [patent_app_country] => US [patent_app_date] => 2021-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5142 [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] => 17323920 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/323920
HALIDE PRODUCTION METHOD May 17, 2021 Pending
Array ( [id] => 19165694 [patent_doc_number] => 11981580 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-14 [patent_title] => Method for producing halides [patent_app_type] => utility [patent_app_number] => 17/321481 [patent_app_country] => US [patent_app_date] => 2021-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 6281 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17321481 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/321481
Method for producing halides May 15, 2021 Issued
Array ( [id] => 19354374 [patent_doc_number] => 12054805 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-06 [patent_title] => Methods for recovering metals using oxalate compounds [patent_app_type] => utility [patent_app_number] => 17/243032 [patent_app_country] => US [patent_app_date] => 2021-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8148 [patent_no_of_claims] => 23 [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] => 17243032 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/243032
Methods for recovering metals using oxalate compounds Apr 27, 2021 Issued
Array ( [id] => 19104921 [patent_doc_number] => 11957996 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Microwave chemical method for totally extracting fluorine and rare earth from bastnaesite concentrate [patent_app_type] => utility [patent_app_number] => 17/239925 [patent_app_country] => US [patent_app_date] => 2021-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4329 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17239925 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/239925
Microwave chemical method for totally extracting fluorine and rare earth from bastnaesite concentrate Apr 25, 2021 Issued
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