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] => 20584428 [patent_doc_number] => 20260070018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-12 [patent_title] => BIOGAS HALOGEN PROCESSING SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 19/393801 [patent_app_country] => US [patent_app_date] => 2025-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22905 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 19393801 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/393801
BIOGAS HALOGEN PROCESSING SYSTEMS AND METHODS Nov 18, 2025 Pending
Array ( [id] => 20182222 [patent_doc_number] => 20250266180 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-21 [patent_title] => Methods for Recycling Metals from the Nuclear Industry [patent_app_type] => utility [patent_app_number] => 19/203130 [patent_app_country] => US [patent_app_date] => 2025-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8499 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19203130 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/203130
Methods for recycling metals from the nuclear industry May 7, 2025 Issued
Array ( [id] => 20089246 [patent_doc_number] => 20250219182 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => SYSTEMS AND METHODS FOR REMOVAL AND RECYCLING OF ALUMINUM IMPURITIES FROM BATTERY WASTE [patent_app_type] => utility [patent_app_number] => 19/082128 [patent_app_country] => US [patent_app_date] => 2025-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6138 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [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] => 19082128 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/082128
Systems and methods for removal and recycling of aluminum impurities from battery waste Mar 16, 2025 Issued
Array ( [id] => 19977071 [patent_doc_number] => 12344532 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Methods for preparing two-dimensional sheet-like Li [patent_app_type] => utility [patent_app_number] => 18/952072 [patent_app_country] => US [patent_app_date] => 2024-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 1174 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18952072 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/952072
Methods for preparing two-dimensional sheet-like Li Nov 18, 2024 Issued
Array ( [id] => 19904030 [patent_doc_number] => 12281026 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-22 [patent_title] => Copper ferrite synthesis by a borate method [patent_app_type] => utility [patent_app_number] => 18/944203 [patent_app_country] => US [patent_app_date] => 2024-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18944203 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/944203
Copper ferrite synthesis by a borate method Nov 11, 2024 Issued
Array ( [id] => 19930672 [patent_doc_number] => 12303866 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-05-20 [patent_title] => Carbon fixation material for adsorbing heavy metals in soil and preparation method thereof [patent_app_type] => utility [patent_app_number] => 18/945435 [patent_app_country] => US [patent_app_date] => 2024-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 531 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18945435 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/945435
Carbon fixation material for adsorbing heavy metals in soil and preparation method thereof Nov 11, 2024 Issued
Array ( [id] => 19769755 [patent_doc_number] => 20250051181 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => PRECURSOR FOR LITHIUM SECONDARY BATTERY POSITIVE ELECTRODE ACTIVE MATERIALS, METHOD FOR PRODUCING PRECURSOR FOR LITHIUM SECONDARY BATTERY POSITIVE ELECTRODE ACTIVE MATERIALS, AND METHOD FOR PRODUCING LITHIUM COMPOSITE METAL COMPOUND [patent_app_type] => utility [patent_app_number] => 18/930153 [patent_app_country] => US [patent_app_date] => 2024-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15604 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 18930153 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/930153
PRECURSOR FOR LITHIUM SECONDARY BATTERY POSITIVE ELECTRODE ACTIVE MATERIALS, METHOD FOR PRODUCING PRECURSOR FOR LITHIUM SECONDARY BATTERY POSITIVE ELECTRODE ACTIVE MATERIALS, AND METHOD FOR PRODUCING LITHIUM COMPOSITE METAL COMPOUND Oct 28, 2024 Pending
Array ( [id] => 19809396 [patent_doc_number] => 12240765 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-03-04 [patent_title] => Borate method for magnetite synthesis [patent_app_type] => utility [patent_app_number] => 18/907700 [patent_app_country] => US [patent_app_date] => 2024-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3327 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [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] => 18907700 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/907700
Borate method for magnetite synthesis Oct 6, 2024 Issued
Array ( [id] => 20372316 [patent_doc_number] => 12479738 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Process and system for lithium production [patent_app_type] => utility [patent_app_number] => 18/787464 [patent_app_country] => US [patent_app_date] => 2024-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 12891 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18787464 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/787464
Process and system for lithium production Jul 28, 2024 Issued
18/772446 Magnetite Synthesis by a Borate Method Jul 14, 2024 Abandoned
Array ( [id] => 19542945 [patent_doc_number] => 20240359981 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => RECOVERY OF BROMINE FROM WASTE BROMIDE BRINES [patent_app_type] => utility [patent_app_number] => 18/762885 [patent_app_country] => US [patent_app_date] => 2024-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4180 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 18762885 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/762885
RECOVERY OF BROMINE FROM WASTE BROMIDE BRINES Jul 2, 2024 Pending
Array ( [id] => 19900411 [patent_doc_number] => 12278353 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Systems and methods for removal and recycling of aluminum impurities from battery waste [patent_app_type] => utility [patent_app_number] => 18/745378 [patent_app_country] => US [patent_app_date] => 2024-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6148 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 4 [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] => 18745378 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/745378
Systems and methods for removal and recycling of aluminum impurities from battery waste Jun 16, 2024 Issued
Array ( [id] => 19828648 [patent_doc_number] => 12249439 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-11 [patent_title] => Materials and processes for generating radioisotopes [patent_app_type] => utility [patent_app_number] => 18/618279 [patent_app_country] => US [patent_app_date] => 2024-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 22 [patent_no_of_words] => 35287 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18618279 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/618279
Materials and processes for generating radioisotopes Mar 26, 2024 Issued
Array ( [id] => 20459265 [patent_doc_number] => 20260008688 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-08 [patent_title] => METHOD FOR PRODUCTION OF MOLYBDENUM DIOXIDE DICHLORIDE [patent_app_type] => utility [patent_app_number] => 18/998434 [patent_app_country] => US [patent_app_date] => 2024-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [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] => 18998434 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/998434
METHOD FOR PRODUCTION OF MOLYBDENUM DIOXIDE DICHLORIDE Feb 18, 2024 Pending
Array ( [id] => 19248434 [patent_doc_number] => 20240199420 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => BORON NITRIDE NANOSTRUCTURES [patent_app_type] => utility [patent_app_number] => 18/441523 [patent_app_country] => US [patent_app_date] => 2024-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4756 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18441523 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/441523
BORON NITRIDE NANOSTRUCTURES Feb 13, 2024 Abandoned
Array ( [id] => 19630959 [patent_doc_number] => 20240409408 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => METHODS AND SYSTEMS FOR PRODUCING SULFUR-CONTAINING PRODUCTS [patent_app_type] => utility [patent_app_number] => 18/415959 [patent_app_country] => US [patent_app_date] => 2024-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8889 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -30 [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] => 18415959 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/415959
Methods and systems for producing sulfur-containing products Jan 17, 2024 Issued
Array ( [id] => 19332403 [patent_doc_number] => 20240246833 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => METHOD FOR PREPARING NANO-ZIRCONIUM/HAFNIUM OXIDE AND METAL NANOPARTICLES [patent_app_type] => utility [patent_app_number] => 18/542475 [patent_app_country] => US [patent_app_date] => 2023-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17403 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18542475 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/542475
METHOD FOR PREPARING NANO-ZIRCONIUM/HAFNIUM OXIDE AND METAL NANOPARTICLES Dec 14, 2023 Pending
Array ( [id] => 19091208 [patent_doc_number] => 11952642 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Method for leaching platinum group metals from spent catalyst by UV-vis [patent_app_type] => utility [patent_app_number] => 18/512770 [patent_app_country] => US [patent_app_date] => 2023-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3931 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 352 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18512770 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/512770
Method for leaching platinum group metals from spent catalyst by UV-vis Nov 16, 2023 Issued
Array ( [id] => 19171319 [patent_doc_number] => 20240157293 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => APPARATUS AND METHOD FOR PURIFYING A PROCESS GAS CONTAINING AT LEAST ONE POLLUTANT GAS [patent_app_type] => utility [patent_app_number] => 18/506176 [patent_app_country] => US [patent_app_date] => 2023-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4263 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18506176 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/506176
APPARATUS AND METHOD FOR PURIFYING A PROCESS GAS CONTAINING AT LEAST ONE POLLUTANT GAS Nov 9, 2023 Pending
Array ( [id] => 19020013 [patent_doc_number] => 20240076184 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => METHOD OF CHEMICAL LOOPING REFORMING AT LOW TEMPERATURES WITH HYDROGEN FROM WATER SPLITTING [patent_app_type] => utility [patent_app_number] => 18/505248 [patent_app_country] => US [patent_app_date] => 2023-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13922 [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] => 18505248 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/505248
METHOD OF CHEMICAL LOOPING REFORMING AT LOW TEMPERATURES WITH HYDROGEN FROM WATER SPLITTING Nov 8, 2023 Pending
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