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] => 15343189 [patent_doc_number] => 20200009486 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-09 [patent_title] => COMPOSITE FILTER MEDIA UTILIZING BICOMPONENT FIBERS [patent_app_type] => utility [patent_app_number] => 16/513907 [patent_app_country] => US [patent_app_date] => 2019-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4799 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 16513907 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/513907
COMPOSITE FILTER MEDIA UTILIZING BICOMPONENT FIBERS Jul 16, 2019 Abandoned
Array ( [id] => 15383543 [patent_doc_number] => 10532942 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-01-14 [patent_title] => Water separation from particulate materials [patent_app_type] => utility [patent_app_number] => 16/512126 [patent_app_country] => US [patent_app_date] => 2019-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 3348 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 477 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16512126 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/512126
Water separation from particulate materials Jul 14, 2019 Issued
Array ( [id] => 17953532 [patent_doc_number] => 11479623 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-25 [patent_title] => Crosslinked polyvinyl matrix for water treatment [patent_app_type] => utility [patent_app_number] => 16/503957 [patent_app_country] => US [patent_app_date] => 2019-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 7768 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16503957 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/503957
Crosslinked polyvinyl matrix for water treatment Jul 4, 2019 Issued
Array ( [id] => 17051169 [patent_doc_number] => 20210260603 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => IRON CHELATORS AS ACTIVATORS IN ALKALINE FLOTATION CIRCUITS [patent_app_type] => utility [patent_app_number] => 17/256710 [patent_app_country] => US [patent_app_date] => 2019-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5160 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17256710 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/256710
Iron chelators as activators in alkaline flotation circuits Jul 2, 2019 Issued
Array ( [id] => 17067128 [patent_doc_number] => 20210269343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => AN ANTI-FOULING DISPERSANT COMPOSITION AND METHOD OF USE [patent_app_type] => utility [patent_app_number] => 17/259082 [patent_app_country] => US [patent_app_date] => 2019-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2637 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17259082 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/259082
Anti-fouling dispersant composition and method of use Jun 23, 2019 Issued
Array ( [id] => 16884114 [patent_doc_number] => 20210170309 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => METHOD FOR CONTROLLING THE SEDIMENTATION OF A MINING DERIVATIVE [patent_app_type] => utility [patent_app_number] => 15/734335 [patent_app_country] => US [patent_app_date] => 2019-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6533 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15734335 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/734335
METHOD FOR CONTROLLING THE SEDIMENTATION OF A MINING DERIVATIVE Jun 4, 2019 Abandoned
Array ( [id] => 16854767 [patent_doc_number] => 20210155512 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => RECYCLING OF WATER IN A MINING BY-PRODUCT [patent_app_type] => utility [patent_app_number] => 16/972260 [patent_app_country] => US [patent_app_date] => 2019-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8079 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16972260 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/972260
RECYCLING OF WATER IN A MINING BY-PRODUCT Jun 4, 2019 Abandoned
Array ( [id] => 16977478 [patent_doc_number] => 20210221715 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => METAL-CHELATING COMPOSITIONS AND THEIR USE IN METHODS OF REMOVING OR INHIBITING BARIUM SCALE [patent_app_type] => utility [patent_app_number] => 15/734061 [patent_app_country] => US [patent_app_date] => 2019-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13512 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15734061 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/734061
Metal-chelating compositions and their use in methods of removing or inhibiting barium scale May 30, 2019 Issued
Array ( [id] => 18399240 [patent_doc_number] => 11661365 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-30 [patent_title] => Composition and method for inhibiting corrosion [patent_app_type] => utility [patent_app_number] => 16/426397 [patent_app_country] => US [patent_app_date] => 2019-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6333 [patent_no_of_claims] => 45 [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] => 16426397 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/426397
Composition and method for inhibiting corrosion May 29, 2019 Issued
Array ( [id] => 16991619 [patent_doc_number] => 20210230039 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => SLUDGE DEHYDRATION AGENT AND SLUDGE DEHYDRATION METHOD [patent_app_type] => utility [patent_app_number] => 15/733867 [patent_app_country] => US [patent_app_date] => 2019-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13589 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15733867 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/733867
SLUDGE DEHYDRATION AGENT AND SLUDGE DEHYDRATION METHOD May 29, 2019 Abandoned
Array ( [id] => 16854775 [patent_doc_number] => 20210155520 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => INHIBITION OF SILICA SCALE USING BOTTLE BRUSH POLYMERS [patent_app_type] => utility [patent_app_number] => 15/734096 [patent_app_country] => US [patent_app_date] => 2019-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4914 [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] => 15734096 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/734096
Inhibition of silica scale using bottle brush polymers May 28, 2019 Issued
Array ( [id] => 19579999 [patent_doc_number] => 12146099 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-19 [patent_title] => Inhibition of silica scale using a chelating agent blended with acid and alkylene oxide derived polymer dispersants [patent_app_type] => utility [patent_app_number] => 15/734058 [patent_app_country] => US [patent_app_date] => 2019-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4712 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15734058 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/734058
Inhibition of silica scale using a chelating agent blended with acid and alkylene oxide derived polymer dispersants May 28, 2019 Issued
Array ( [id] => 16792034 [patent_doc_number] => 20210121851 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => THIOL-FUNCTIONALIZED HYPER-CROSSLINKED POLYMERS WITH HIERARCHICAL POROSITIES FOR THE CAPTURE AND RECOVERY OF HEAVY METAL CONTAMINANTS [patent_app_type] => utility [patent_app_number] => 17/043372 [patent_app_country] => US [patent_app_date] => 2019-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8278 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17043372 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/043372
Thiol-functionalized hyper-crosslinked polymers with hierarchical porosities for the capture and recovery of heavy metal contaminants May 28, 2019 Issued
Array ( [id] => 19608825 [patent_doc_number] => 12157691 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-03 [patent_title] => Acid grafted EO-PO copolymers as silica scale inhibitors [patent_app_type] => utility [patent_app_number] => 15/734075 [patent_app_country] => US [patent_app_date] => 2019-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3007 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15734075 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/734075
Acid grafted EO-PO copolymers as silica scale inhibitors May 16, 2019 Issued
Array ( [id] => 18044745 [patent_doc_number] => 11518686 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-06 [patent_title] => Process for recovery of lithium from brine [patent_app_type] => utility [patent_app_number] => 16/410523 [patent_app_country] => US [patent_app_date] => 2019-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 9682 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16410523 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/410523
Process for recovery of lithium from brine May 12, 2019 Issued
Array ( [id] => 14746403 [patent_doc_number] => 20190256375 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-22 [patent_title] => COLLOIDAL SILICA ADDITION TO PROMOTE THE SEPARATION OF OIL FROM WATER [patent_app_type] => utility [patent_app_number] => 16/399419 [patent_app_country] => US [patent_app_date] => 2019-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4962 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16399419 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/399419
COLLOIDAL SILICA ADDITION TO PROMOTE THE SEPARATION OF OIL FROM WATER Apr 29, 2019 Abandoned
Array ( [id] => 14746407 [patent_doc_number] => 20190256377 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-22 [patent_title] => HYDROPHOBISED CALCIUM CARBONATE PARTICLES [patent_app_type] => utility [patent_app_number] => 16/397702 [patent_app_country] => US [patent_app_date] => 2019-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14914 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 16397702 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/397702
HYDROPHOBISED CALCIUM CARBONATE PARTICLES Apr 28, 2019 Abandoned
Array ( [id] => 16390638 [patent_doc_number] => 20200331579 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-22 [patent_title] => portable mixing apparatus for ballast water treatment [patent_app_type] => utility [patent_app_number] => 16/388872 [patent_app_country] => US [patent_app_date] => 2019-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4816 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 16388872 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/388872
portable mixing apparatus for ballast water treatment Apr 18, 2019 Abandoned
Array ( [id] => 14685157 [patent_doc_number] => 20190241693 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-08 [patent_title] => SILICON CONTAINING POLYMER FLOCCULANTS [patent_app_type] => utility [patent_app_number] => 16/388228 [patent_app_country] => US [patent_app_date] => 2019-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12325 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16388228 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/388228
SILICON CONTAINING POLYMER FLOCCULANTS Apr 17, 2019 Abandoned
Array ( [id] => 16853862 [patent_doc_number] => 20210154607 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => FILTRATION MEDIA ESPECIALLY USEFUL FOR FILTERING FLUIDS ASSOCIATED WITH WIRE ELECTRON DISCHARGE MACHINING (WEDM) PROCESSES [patent_app_type] => utility [patent_app_number] => 17/048253 [patent_app_country] => US [patent_app_date] => 2019-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7045 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17048253 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/048253
Filtration media especially useful for filtering fluids associated with wire electron discharge machining (WEDM) processes Apr 15, 2019 Issued
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