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] => 18895040 [patent_doc_number] => 20240010525 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => METHODS OF OBTAINING WATER FOR DOWNSTREAM PROCESSES [patent_app_type] => utility [patent_app_number] => 18/035229 [patent_app_country] => US [patent_app_date] => 2021-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7680 [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] => 18035229 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/035229
METHODS OF OBTAINING WATER FOR DOWNSTREAM PROCESSES Nov 3, 2021 Pending
Array ( [id] => 18504796 [patent_doc_number] => 11702601 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-18 [patent_title] => Systems and methods for separating water and removing solids from pre-treated and unfiltered feedstock [patent_app_type] => utility [patent_app_number] => 17/452455 [patent_app_country] => US [patent_app_date] => 2021-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 12831 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17452455 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/452455
Systems and methods for separating water and removing solids from pre-treated and unfiltered feedstock Oct 26, 2021 Issued
Array ( [id] => 18816332 [patent_doc_number] => 20230390672 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => IMPROVED FLOCCULANTS [patent_app_type] => utility [patent_app_number] => 18/249143 [patent_app_country] => US [patent_app_date] => 2021-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10876 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18249143 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/249143
IMPROVED FLOCCULANTS Oct 14, 2021 Pending
Array ( [id] => 19273520 [patent_doc_number] => 12023628 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Drinking water purification system with a backwashable filter cartridge and a nanofiltration system [patent_app_type] => utility [patent_app_number] => 17/501684 [patent_app_country] => US [patent_app_date] => 2021-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3978 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17501684 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/501684
Drinking water purification system with a backwashable filter cartridge and a nanofiltration system Oct 13, 2021 Issued
Array ( [id] => 18808438 [patent_doc_number] => 20230382771 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => COMPOSITIONS COMPRISING CYCLODEXTRIN FOR TREATMENT OF WASTE [patent_app_type] => utility [patent_app_number] => 18/249755 [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] => 11727 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18249755 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/249755
COMPOSITIONS COMPRISING CYCLODEXTRIN FOR TREATMENT OF WASTE Oct 7, 2021 Abandoned
Array ( [id] => 17368773 [patent_doc_number] => 20220023825 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => FILTERING MEDIUM FOR FLUID PURIFICATION [patent_app_type] => utility [patent_app_number] => 17/496140 [patent_app_country] => US [patent_app_date] => 2021-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6701 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17496140 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/496140
FILTERING MEDIUM FOR FLUID PURIFICATION Oct 6, 2021 Abandoned
Array ( [id] => 20548621 [patent_doc_number] => 12559399 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Water treatment method, water treatment system, carbonized combustion material, and method for producing carbonized combustion material [patent_app_type] => utility [patent_app_number] => 18/245117 [patent_app_country] => US [patent_app_date] => 2021-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 16108 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18245117 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/245117
Water treatment method, water treatment system, carbonized combustion material, and method for producing carbonized combustion material Sep 29, 2021 Issued
Array ( [id] => 17655881 [patent_doc_number] => 20220176346 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => AMINE FUNCTIONALIZED CHITIN FOR REMOVING SUBSTANCES FROM SOLUTIONS [patent_app_type] => utility [patent_app_number] => 17/488311 [patent_app_country] => US [patent_app_date] => 2021-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6173 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17488311 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/488311
AMINE FUNCTIONALIZED CHITIN FOR REMOVING SUBSTANCES FROM SOLUTIONS Sep 28, 2021 Abandoned
Array ( [id] => 18566031 [patent_doc_number] => 20230256359 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => SUPPLEMENTAL DEMULSIFIER ADDITIVE [patent_app_type] => utility [patent_app_number] => 18/007060 [patent_app_country] => US [patent_app_date] => 2021-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3441 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18007060 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/007060
SUPPLEMENTAL DEMULSIFIER ADDITIVE Sep 21, 2021 Abandoned
Array ( [id] => 18028973 [patent_doc_number] => 11512146 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-29 [patent_title] => Charge-bearing cyclodextrin polymeric materials and methods of making and using same [patent_app_type] => utility [patent_app_number] => 17/481919 [patent_app_country] => US [patent_app_date] => 2021-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 13 [patent_no_of_words] => 22588 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17481919 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/481919
Charge-bearing cyclodextrin polymeric materials and methods of making and using same Sep 21, 2021 Issued
Array ( [id] => 18770674 [patent_doc_number] => 20230365445 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => SIDE STREAM FILTER FLUID TREATMENT FOR NEW AND OLD SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/246168 [patent_app_country] => US [patent_app_date] => 2021-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16357 [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] => 18246168 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/246168
SIDE STREAM FILTER FLUID TREATMENT FOR NEW AND OLD SYSTEMS Sep 16, 2021 Pending
Array ( [id] => 18771064 [patent_doc_number] => 20230365873 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => NITROGEN-FREE HYDROGEN SULPHIDE AND MERCAPTANS SCAVENGERS [patent_app_type] => utility [patent_app_number] => 18/026196 [patent_app_country] => US [patent_app_date] => 2021-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8827 [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] => 18026196 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/026196
NITROGEN-FREE HYDROGEN SULPHIDE AND MERCAPTANS SCAVENGERS Sep 14, 2021 Pending
Array ( [id] => 18753762 [patent_doc_number] => 20230357059 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => IN CHANNEL MAGNETIC RECOVERY [patent_app_type] => utility [patent_app_number] => 18/026119 [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] => 5215 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18026119 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/026119
IN CHANNEL MAGNETIC RECOVERY Sep 9, 2021 Pending
Array ( [id] => 19563887 [patent_doc_number] => 12138638 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Composition and method for use of 1-alkyl-5-oxopyrrolidine-3-carboxylic acids as collectors for phosphate and lithium flotation [patent_app_type] => utility [patent_app_number] => 17/470795 [patent_app_country] => US [patent_app_date] => 2021-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2551 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17470795 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/470795
Composition and method for use of 1-alkyl-5-oxopyrrolidine-3-carboxylic acids as collectors for phosphate and lithium flotation Sep 8, 2021 Issued
Array ( [id] => 19884070 [patent_doc_number] => 12269762 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Methods and systems of dewatering tailings [patent_app_type] => utility [patent_app_number] => 18/044338 [patent_app_country] => US [patent_app_date] => 2021-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 22893 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18044338 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/044338
Methods and systems of dewatering tailings Sep 6, 2021 Issued
Array ( [id] => 17427375 [patent_doc_number] => 20220055083 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => TREATMENT OF THICK FINE TAILINGS INCLUDING CHEMICAL IMMOBILIZATION, POLYMER FLOCCULATION AND DEWATERING [patent_app_type] => utility [patent_app_number] => 17/467997 [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] => 24775 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17467997 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/467997
TREATMENT OF THICK FINE TAILINGS INCLUDING CHEMICAL IMMOBILIZATION, POLYMER FLOCCULATION AND DEWATERING Sep 6, 2021 Abandoned
Array ( [id] => 18887593 [patent_doc_number] => 11866354 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-09 [patent_title] => Extract of plant powder, and water purifier [patent_app_type] => utility [patent_app_number] => 17/410356 [patent_app_country] => US [patent_app_date] => 2021-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 17 [patent_no_of_words] => 6297 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17410356 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/410356
Extract of plant powder, and water purifier Aug 23, 2021 Issued
Array ( [id] => 19579770 [patent_doc_number] => 12145866 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-19 [patent_title] => Modified cyclodextrin/mesoporous silica for adsorbing Pb and Cd and application thereof [patent_app_type] => utility [patent_app_number] => 17/402871 [patent_app_country] => US [patent_app_date] => 2021-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 4655 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17402871 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/402871
Modified cyclodextrin/mesoporous silica for adsorbing Pb and Cd and application thereof Aug 15, 2021 Issued
Array ( [id] => 20548613 [patent_doc_number] => 12559391 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Method and apparatus for producing hydroxyl radicals [patent_app_type] => utility [patent_app_number] => 17/389321 [patent_app_country] => US [patent_app_date] => 2021-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 26 [patent_no_of_words] => 11113 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17389321 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/389321
Method and apparatus for producing hydroxyl radicals Jul 28, 2021 Issued
Array ( [id] => 17712550 [patent_doc_number] => 11376529 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-05 [patent_title] => Particle filter system [patent_app_type] => utility [patent_app_number] => 17/384559 [patent_app_country] => US [patent_app_date] => 2021-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 68 [patent_no_of_words] => 9729 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17384559 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/384559
Particle filter system Jul 22, 2021 Issued
Menu