Search

John R. Yeh

Examiner (ID: 15535)

Most Active Art Unit
2919
Art Unit(s)
2919, 2974
Total Applications
1692
Issued Applications
1658
Pending Applications
4
Abandoned Applications
25

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20687556 [patent_doc_number] => 12617691 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-05 [patent_title] => Recovery of commercial substances from apatite mineral [patent_app_type] => utility [patent_app_number] => 18/038490 [patent_app_country] => US [patent_app_date] => 2021-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 22 [patent_no_of_words] => 10536 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18038490 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/038490
Recovery of commercial substances from apatite mineral Nov 22, 2021 Issued
Array ( [id] => 18877959 [patent_doc_number] => 20240001328 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => SYSTEMS, METHODS, AND APPARATUSES FOR CONVERTING MATERIAL WITH MICROWAVE ENERGY [patent_app_type] => utility [patent_app_number] => 18/254100 [patent_app_country] => US [patent_app_date] => 2021-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5395 [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] => 18254100 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/254100
SYSTEMS, METHODS, AND APPARATUSES FOR CONVERTING MATERIAL WITH MICROWAVE ENERGY Nov 22, 2021 Pending
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 Abandoned
Array ( [id] => 18844314 [patent_doc_number] => 20230406718 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => METHOD FOR PRODUCING LITHIUM HYDROXIDE [patent_app_type] => utility [patent_app_number] => 18/251338 [patent_app_country] => US [patent_app_date] => 2021-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10485 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18251338 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/251338
METHOD FOR PRODUCING LITHIUM HYDROXIDE Nov 4, 2021 Pending
Array ( [id] => 18809041 [patent_doc_number] => 20230383376 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => PROCESS FOR TREATING A MATERIAL [patent_app_type] => utility [patent_app_number] => 18/248646 [patent_app_country] => US [patent_app_date] => 2021-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9512 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18248646 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/248646
PROCESS FOR TREATING A MATERIAL Oct 18, 2021 Abandoned
Array ( [id] => 18939784 [patent_doc_number] => 20240034923 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => ODOR MANAGEMENT FOR DISULFIDE SOLVENTS AND SURFACES CONTACTED THEREWITH [patent_app_type] => utility [patent_app_number] => 18/256319 [patent_app_country] => US [patent_app_date] => 2021-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8464 [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] => 18256319 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/256319
ODOR MANAGEMENT FOR DISULFIDE SOLVENTS AND SURFACES CONTACTED THEREWITH Oct 7, 2021 Pending
Array ( [id] => 18693116 [patent_doc_number] => 20230323509 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => Weak Acid Lixiviants for Recovery of Alkaline Earth Metals [patent_app_type] => utility [patent_app_number] => 18/025292 [patent_app_country] => US [patent_app_date] => 2021-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5879 [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] => 18025292 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/025292
Weak Acid Lixiviants for Recovery of Alkaline Earth Metals Sep 9, 2021 Abandoned
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] => 20611227 [patent_doc_number] => 12586834 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Method of selectively removing aluminum from waste electrode and a method of removing metal components from the waste electrode using the method [patent_app_type] => utility [patent_app_number] => 17/802480 [patent_app_country] => US [patent_app_date] => 2021-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 5760 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17802480 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/802480
Method of selectively removing aluminum from waste electrode and a method of removing metal components from the waste electrode using the method Jul 26, 2021 Issued
Array ( [id] => 18661717 [patent_doc_number] => 20230307733 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => PROCESS WITH LOW ENVIRONMENTAL IMPACT AND REDUCED ENERGY CONSUMPTION FOR THE RECOVERY OF LEAD FROM THE ELECTRODE PASTES OF END-OF-LIFE BATTERIES [patent_app_type] => utility [patent_app_number] => 18/019071 [patent_app_country] => US [patent_app_date] => 2021-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5345 [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] => 18019071 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/019071
PROCESS WITH LOW ENVIRONMENTAL IMPACT AND REDUCED ENERGY CONSUMPTION FOR THE RECOVERY OF LEAD FROM THE ELECTRODE PASTES OF END-OF-LIFE BATTERIES Jul 15, 2021 Pending
Array ( [id] => 19763392 [patent_doc_number] => 12221672 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [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] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 8056 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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 Issued
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 Abandoned
Array ( [id] => 19922849 [patent_doc_number] => 12297119 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [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] => 2462 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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 Issued
Array ( [id] => 18390234 [patent_doc_number] => 20230158452 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => GAS TREATMENT METHOD AND GAS TREATMENT DEVICE [patent_app_type] => utility [patent_app_number] => 17/919206 [patent_app_country] => US [patent_app_date] => 2021-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10953 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17919206 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/919206
GAS TREATMENT METHOD AND GAS TREATMENT DEVICE Jun 14, 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 Issued
Array ( [id] => 18649217 [patent_doc_number] => 20230295003 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => TANTALATE DISPERSION AND TANTALATE COMPOUND [patent_app_type] => utility [patent_app_number] => 18/014617 [patent_app_country] => US [patent_app_date] => 2021-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12738 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18014617 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/014617
Tantalate dispersion and tantalate compound Jun 2, 2021 Issued
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] => 18500806 [patent_doc_number] => 20230223610 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => METHOD FOR SELECTIVELY SEPARATING A CARBON-CONTAINING MATERIAL FROM A MIXTURE OF POSITIVE ELECTRODES AND NEGATIVE ELECTRODES [patent_app_type] => utility [patent_app_number] => 18/000059 [patent_app_country] => US [patent_app_date] => 2021-05-27 [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] => -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] => 18000059 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/000059
METHOD FOR SELECTIVELY SEPARATING A CARBON-CONTAINING MATERIAL FROM A MIXTURE OF POSITIVE ELECTRODES AND NEGATIVE ELECTRODES May 26, 2021 Pending
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 Abandoned
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
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