Search

Clare M. Perrin

Examiner (ID: 17685, Phone: (571)270-5952 , Office: P/1778 )

Most Active Art Unit
1778
Art Unit(s)
1778, 1779
Total Applications
834
Issued Applications
519
Pending Applications
82
Abandoned Applications
255

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19754230 [patent_doc_number] => 20250042795 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => METHOD FOR PURIFYING WATER CONTAINING ORGANIC IMPURITIES BY ULTRAFILTRATION [patent_app_type] => utility [patent_app_number] => 18/685429 [patent_app_country] => US [patent_app_date] => 2022-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5412 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18685429 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/685429
METHOD FOR PURIFYING WATER CONTAINING ORGANIC IMPURITIES BY ULTRAFILTRATION Oct 2, 2022 Pending
Array ( [id] => 19216722 [patent_doc_number] => 20240181426 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => HUANGSHUI POLYSACCHARIDE-BASED HYDROGEL AND PREPARATION METHOD AND USE THEREOF [patent_app_type] => utility [patent_app_number] => 18/568864 [patent_app_country] => US [patent_app_date] => 2022-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7877 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18568864 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/568864
HUANGSHUI POLYSACCHARIDE-BASED HYDROGEL AND PREPARATION METHOD AND USE THEREOF Sep 29, 2022 Pending
Array ( [id] => 18238512 [patent_doc_number] => 20230070823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => CROSSLINKED POLYVINYL POLYMER HYDROGEL [patent_app_type] => utility [patent_app_number] => 17/955592 [patent_app_country] => US [patent_app_date] => 2022-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7764 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 17955592 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/955592
Crosslinked polyvinyl polymer hydrogel Sep 28, 2022 Issued
Array ( [id] => 18140969 [patent_doc_number] => 20230014811 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => AQUEOUS POLYMERIZATION PROCESS FOR FORMING CROSSLINKED POLYVINYL POLYMER HYDROGEL [patent_app_type] => utility [patent_app_number] => 17/955603 [patent_app_country] => US [patent_app_date] => 2022-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7643 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 17955603 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/955603
Aqueous polymerization process for forming crosslinked polyvinyl polymer hydrogel Sep 28, 2022 Issued
Array ( [id] => 20128223 [patent_doc_number] => 12370523 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Fe--Co core shell nanospheres [patent_app_type] => utility [patent_app_number] => 17/954865 [patent_app_country] => US [patent_app_date] => 2022-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 29 [patent_no_of_words] => 5593 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [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] => 17954865 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/954865
Fe--Co core shell nanospheres Sep 27, 2022 Issued
Array ( [id] => 19600920 [patent_doc_number] => 20240391800 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => HYPERSALINE DESALINATION USING IONIC LIQUIDS AND LOW-TEMPERATURE HEAT [patent_app_type] => utility [patent_app_number] => 18/693020 [patent_app_country] => US [patent_app_date] => 2022-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16537 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18693020 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/693020
HYPERSALINE DESALINATION USING IONIC LIQUIDS AND LOW-TEMPERATURE HEAT Sep 18, 2022 Pending
Array ( [id] => 19497477 [patent_doc_number] => 20240336495 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => ADSORPTION METHOD FOR NITRILOTRIACETIC ACID (NTA) REMOVAL FROM EDTA CONTAINING CHELANT SOLUTIONS [patent_app_type] => utility [patent_app_number] => 18/577434 [patent_app_country] => US [patent_app_date] => 2022-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7246 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18577434 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/577434
ADSORPTION METHOD FOR NITRILOTRIACETIC ACID (NTA) REMOVAL FROM EDTA CONTAINING CHELANT SOLUTIONS Sep 18, 2022 Pending
Array ( [id] => 19983078 [patent_doc_number] => 20250121300 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => PURIFICATION METHOD AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 18/685404 [patent_app_country] => US [patent_app_date] => 2022-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6603 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 644 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18685404 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/685404
PURIFICATION METHOD AND USES THEREOF Sep 13, 2022 Pending
Array ( [id] => 18265872 [patent_doc_number] => 20230087114 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-23 [patent_title] => SOLID, NON-PHOSPHOROUS, SCALE AND CORROSION INHIBITOR COMPOSITION FOR COOLING WATER TREATMENT [patent_app_type] => utility [patent_app_number] => 17/944698 [patent_app_country] => US [patent_app_date] => 2022-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10127 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17944698 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/944698
SOLID, NON-PHOSPHOROUS, SCALE AND CORROSION INHIBITOR COMPOSITION FOR COOLING WATER TREATMENT Sep 13, 2022 Pending
Array ( [id] => 18345545 [patent_doc_number] => 20230133655 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => Materials and Methods for Biosorption of Micropollutants from Aqueous Solutions [patent_app_type] => utility [patent_app_number] => 17/941016 [patent_app_country] => US [patent_app_date] => 2022-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14057 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17941016 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/941016
Materials and Methods for Biosorption of Micropollutants from Aqueous Solutions Sep 7, 2022 Abandoned
Array ( [id] => 20356531 [patent_doc_number] => 12472512 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Sodium petroleum sulfonate collector for fluorite flotation and its preparation and application method [patent_app_type] => utility [patent_app_number] => 17/938983 [patent_app_country] => US [patent_app_date] => 2022-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17938983 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/938983
Sodium petroleum sulfonate collector for fluorite flotation and its preparation and application method Sep 6, 2022 Issued
Array ( [id] => 18643177 [patent_doc_number] => 11767236 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-26 [patent_title] => Method and system for removing hydrogen sulfide from sour oil and sour water [patent_app_type] => utility [patent_app_number] => 17/902065 [patent_app_country] => US [patent_app_date] => 2022-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 22429 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17902065 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/902065
Method and system for removing hydrogen sulfide from sour oil and sour water Sep 1, 2022 Issued
Array ( [id] => 20135233 [patent_doc_number] => 20250242277 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => Method of Monitoring a Chemical Process in a Column Apparatus [patent_app_type] => utility [patent_app_number] => 18/685576 [patent_app_country] => US [patent_app_date] => 2022-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26693 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 18685576 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/685576
Method of Monitoring a Chemical Process in a Column Apparatus Aug 23, 2022 Pending
Array ( [id] => 18665154 [patent_doc_number] => 11772020 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-03 [patent_title] => High capacity composite depth filter media with low extractables [patent_app_type] => utility [patent_app_number] => 17/819969 [patent_app_country] => US [patent_app_date] => 2022-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 10599 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17819969 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/819969
High capacity composite depth filter media with low extractables Aug 15, 2022 Issued
Array ( [id] => 18077455 [patent_doc_number] => 20220403067 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => METHOD FOR MAKING POLYVINYL HYDROGEL [patent_app_type] => utility [patent_app_number] => 17/819956 [patent_app_country] => US [patent_app_date] => 2022-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7768 [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] => 17819956 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/819956
Method for making polyvinyl hydrogel Aug 15, 2022 Issued
Array ( [id] => 18239624 [patent_doc_number] => 20230071935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => MICROPLATE CYCLING THERMO SONICATOR WITH PROGRAMMABLE ULTRASOUND, HEATING, AND COOLING FOR MULTI-ANALYTICAL APPLICATIONS [patent_app_type] => utility [patent_app_number] => 17/884705 [patent_app_country] => US [patent_app_date] => 2022-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4467 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17884705 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/884705
Microplate cycling thermo sonicator with programmable ultrasound, heating, and cooling for multi-analytical applications Aug 9, 2022 Issued
Array ( [id] => 18450090 [patent_doc_number] => 20230191367 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => HEAVY METAL ADSORBENT AND METHOD FOR SIMULTANEOUS REMOVAL OF LEAD AND COPPER IN WASTEWATER USING THE SAME [patent_app_type] => utility [patent_app_number] => 17/878897 [patent_app_country] => US [patent_app_date] => 2022-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6473 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 17878897 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/878897
HEAVY METAL ADSORBENT AND METHOD FOR SIMULTANEOUS REMOVAL OF LEAD AND COPPER IN WASTEWATER USING THE SAME Jul 31, 2022 Abandoned
Array ( [id] => 18451234 [patent_doc_number] => 20230192511 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => VERMICOMPOST MADE OF AQUATIC PLANTS AND PREPARATION METHOD AND USE THEREOF [patent_app_type] => utility [patent_app_number] => 17/878573 [patent_app_country] => US [patent_app_date] => 2022-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2980 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17878573 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/878573
Vermicompost made of aquatic plants and preparation method and use thereof Jul 31, 2022 Issued
Array ( [id] => 18202289 [patent_doc_number] => 11584671 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-02-21 [patent_title] => Modified hydroxyethyl cellulose scale inhibitor for inhibiting silica scale and preparation method thereof [patent_app_type] => utility [patent_app_number] => 17/871872 [patent_app_country] => US [patent_app_date] => 2022-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3817 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17871872 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/871872
Modified hydroxyethyl cellulose scale inhibitor for inhibiting silica scale and preparation method thereof Jul 21, 2022 Issued
Array ( [id] => 18160845 [patent_doc_number] => 20230027437 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => COMBINED CYCLE POWER PLANT UTILIZING ORGANIC WATER ADDITIVES [patent_app_type] => utility [patent_app_number] => 17/869873 [patent_app_country] => US [patent_app_date] => 2022-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8377 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17869873 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/869873
Combined cycle power plant utilizing organic water additives Jul 20, 2022 Issued
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