Search

Clare M. Perrin

Examiner (ID: 3124, Phone: (571)270-5952 , Office: P/1778 )

Most Active Art Unit
1778
Art Unit(s)
1778, 1779
Total Applications
799
Issued Applications
499
Pending Applications
84
Abandoned Applications
250

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18597059 [patent_doc_number] => 20230271851 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => HEAVY METAL ADSORBENT [patent_app_type] => utility [patent_app_number] => 18/173185 [patent_app_country] => US [patent_app_date] => 2023-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4113 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18173185 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/173185
HEAVY METAL ADSORBENT Feb 22, 2023 Pending
Array ( [id] => 18597059 [patent_doc_number] => 20230271851 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => HEAVY METAL ADSORBENT [patent_app_type] => utility [patent_app_number] => 18/173185 [patent_app_country] => US [patent_app_date] => 2023-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4113 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18173185 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/173185
HEAVY METAL ADSORBENT Feb 22, 2023 Pending
Array ( [id] => 18510383 [patent_doc_number] => 20230226491 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => OSMOTIC FLUID PURIFICATION AND DRAW COMPOUNDS THEREOF [patent_app_type] => utility [patent_app_number] => 18/111962 [patent_app_country] => US [patent_app_date] => 2023-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15200 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18111962 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/111962
OSMOTIC FLUID PURIFICATION AND DRAW COMPOUNDS THEREOF Feb 20, 2023 Abandoned
Array ( [id] => 19969549 [patent_doc_number] => 12338140 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Method for removing heavy metal from water [patent_app_type] => utility [patent_app_number] => 18/166673 [patent_app_country] => US [patent_app_date] => 2023-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18166673 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/166673
Method for removing heavy metal from water Feb 8, 2023 Issued
Array ( [id] => 20263251 [patent_doc_number] => 12434222 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Cross-linked polymeric ammonium salts and their use in absorbing organic contaminants [patent_app_type] => utility [patent_app_number] => 18/165091 [patent_app_country] => US [patent_app_date] => 2023-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 33 [patent_no_of_words] => 7878 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18165091 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/165091
Cross-linked polymeric ammonium salts and their use in absorbing organic contaminants Feb 5, 2023 Issued
Array ( [id] => 20263251 [patent_doc_number] => 12434222 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Cross-linked polymeric ammonium salts and their use in absorbing organic contaminants [patent_app_type] => utility [patent_app_number] => 18/165091 [patent_app_country] => US [patent_app_date] => 2023-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 33 [patent_no_of_words] => 7878 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18165091 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/165091
Cross-linked polymeric ammonium salts and their use in absorbing organic contaminants Feb 5, 2023 Issued
Array ( [id] => 19745451 [patent_doc_number] => 20250034016 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => METHOD OF PRODUCING WATER TREATMENT AGENT FOR SOLVING SILICA SCALE PROBLEM [patent_app_type] => utility [patent_app_number] => 18/551944 [patent_app_country] => US [patent_app_date] => 2023-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4093 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 319 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18551944 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/551944
METHOD OF PRODUCING WATER TREATMENT AGENT FOR SOLVING SILICA SCALE PROBLEM Feb 2, 2023 Pending
Array ( [id] => 18537325 [patent_doc_number] => 20230242417 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => System and Method for Removal of Volatile Hydrocarbons from a Water Stream [patent_app_type] => utility [patent_app_number] => 18/161127 [patent_app_country] => US [patent_app_date] => 2023-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2831 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18161127 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/161127
System and Method for Removal of Volatile Hydrocarbons from a Water Stream Jan 29, 2023 Pending
Array ( [id] => 18390211 [patent_doc_number] => 20230158429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => HIGH CAPACITY COMPOSITE DEPTH FILTER MEDIA WITH LOW EXTRACTABLES [patent_app_type] => utility [patent_app_number] => 18/153078 [patent_app_country] => US [patent_app_date] => 2023-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10620 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18153078 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/153078
HIGH CAPACITY COMPOSITE DEPTH FILTER MEDIA WITH LOW EXTRACTABLES Jan 10, 2023 Pending
Array ( [id] => 18390212 [patent_doc_number] => 20230158430 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => HIGH EFFICIENCY SYNTHETIC FILTER MEDIA [patent_app_type] => utility [patent_app_number] => 18/151741 [patent_app_country] => US [patent_app_date] => 2023-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6640 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18151741 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/151741
HIGH EFFICIENCY SYNTHETIC FILTER MEDIA Jan 8, 2023 Pending
Array ( [id] => 18825474 [patent_doc_number] => 11840745 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-12 [patent_title] => Processes for the removal and recovery of cadmium from wet-process phosphoric acid [patent_app_type] => utility [patent_app_number] => 17/973415 [patent_app_country] => US [patent_app_date] => 2022-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5537 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 294 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17973415 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/973415
Processes for the removal and recovery of cadmium from wet-process phosphoric acid Oct 24, 2022 Issued
Array ( [id] => 19763260 [patent_doc_number] => 12221535 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [patent_title] => Sequestering agents, kits therefor, and methods of using sequestering agents and kits therefor [patent_app_type] => utility [patent_app_number] => 17/972170 [patent_app_country] => US [patent_app_date] => 2022-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 27 [patent_no_of_words] => 8129 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17972170 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/972170
Sequestering agents, kits therefor, and methods of using sequestering agents and kits therefor Oct 23, 2022 Issued
Array ( [id] => 19897083 [patent_doc_number] => 12274982 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Electrodialysis systems with decreased concentration gradients at high recovery rates [patent_app_type] => utility [patent_app_number] => 17/971124 [patent_app_country] => US [patent_app_date] => 2022-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6257 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17971124 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/971124
Electrodialysis systems with decreased concentration gradients at high recovery rates Oct 20, 2022 Issued
Array ( [id] => 19121071 [patent_doc_number] => 11965042 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-23 [patent_title] => Charge-bearing cyclodextrin polymeric materials and methods of making and using same [patent_app_type] => utility [patent_app_number] => 17/970233 [patent_app_country] => US [patent_app_date] => 2022-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 13 [patent_no_of_words] => 22601 [patent_no_of_claims] => 18 [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] => 17970233 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/970233
Charge-bearing cyclodextrin polymeric materials and methods of making and using same Oct 19, 2022 Issued
Array ( [id] => 19097566 [patent_doc_number] => 20240116793 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => DEPOSITION OF FLOCCULATED TAILINGS [patent_app_type] => utility [patent_app_number] => 18/045743 [patent_app_country] => US [patent_app_date] => 2022-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4927 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18045743 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/045743
Deposition of flocculated tailings Oct 10, 2022 Issued
Array ( [id] => 18444441 [patent_doc_number] => 11679999 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-20 [patent_title] => Method and apparatus to separate per-and polyfluoroalkyl substances (PFAS) from water using colloidal gas aphrons (CGAs) [patent_app_type] => utility [patent_app_number] => 18/045493 [patent_app_country] => US [patent_app_date] => 2022-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 5270 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18045493 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/045493
Method and apparatus to separate per-and polyfluoroalkyl substances (PFAS) from water using colloidal gas aphrons (CGAs) Oct 10, 2022 Issued
Array ( [id] => 19097566 [patent_doc_number] => 20240116793 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => DEPOSITION OF FLOCCULATED TAILINGS [patent_app_type] => utility [patent_app_number] => 18/045743 [patent_app_country] => US [patent_app_date] => 2022-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4927 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18045743 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/045743
Deposition of flocculated tailings Oct 10, 2022 Issued
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
Menu