Search

Christopher Bottorff

Examiner (ID: 18772)

Most Active Art Unit
3618
Art Unit(s)
3618, 3611
Total Applications
590
Issued Applications
421
Pending Applications
29
Abandoned Applications
140

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19815438 [patent_doc_number] => 20250073645 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => PENTA-AMINE-IMPREGNATED ULTRAFILTRATION SUPPORT MATRIX FOR RAPID FABRICATION OF A HYPER-CROSS-LINKED POLYAMIDE MEMBRANE [patent_app_type] => utility [patent_app_number] => 18/460101 [patent_app_country] => US [patent_app_date] => 2023-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10032 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18460101 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/460101
PENTA-AMINE-IMPREGNATED ULTRAFILTRATION SUPPORT MATRIX FOR RAPID FABRICATION OF A HYPER-CROSS-LINKED POLYAMIDE MEMBRANE Aug 31, 2023 Pending
Array ( [id] => 18843128 [patent_doc_number] => 20230405532 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => METHOD OF REMOVING PROTEIN-BOUND SUBSTANCES BY ELECTRICALLY CONDUCTIVE POLYMER [patent_app_type] => utility [patent_app_number] => 18/239772 [patent_app_country] => US [patent_app_date] => 2023-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10269 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18239772 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/239772
Method of removing protein-bound substances by electrically conductive polymer Aug 29, 2023 Issued
Array ( [id] => 18829971 [patent_doc_number] => 20230398495 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => METHOD FOR MANUFACTURING OXYGENATOR [patent_app_type] => utility [patent_app_number] => 18/239346 [patent_app_country] => US [patent_app_date] => 2023-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17959 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18239346 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/239346
Method for manufacturing oxygenator Aug 28, 2023 Issued
Array ( [id] => 18830720 [patent_doc_number] => 20230399244 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => MULTI-VALENT ION CONCENTRATION USING MULTI-STAGE NANOFILTRATION [patent_app_type] => utility [patent_app_number] => 18/457661 [patent_app_country] => US [patent_app_date] => 2023-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4175 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18457661 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/457661
MULTI-VALENT ION CONCENTRATION USING MULTI-STAGE NANOFILTRATION Aug 28, 2023 Pending
Array ( [id] => 20743194 [patent_doc_number] => 12643077 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-02 [patent_title] => Diethylamino ethyl polymers and methods of use [patent_app_type] => utility [patent_app_number] => 18/238802 [patent_app_country] => US [patent_app_date] => 2023-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 7790 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18238802 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/238802
Diethylamino ethyl polymers and methods of use Aug 27, 2023 Issued
Array ( [id] => 19019237 [patent_doc_number] => 20240075408 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => SIMULTANEOUS QUANTIFICATION OF ANIONS USING ION CHROMATOGRAPHY AND SUPPRESSED ION CONDUCTIVITY DETECTION [patent_app_type] => utility [patent_app_number] => 18/456090 [patent_app_country] => US [patent_app_date] => 2023-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6193 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18456090 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/456090
SIMULTANEOUS QUANTIFICATION OF ANIONS USING ION CHROMATOGRAPHY AND SUPPRESSED ION CONDUCTIVITY DETECTION Aug 24, 2023 Pending
Array ( [id] => 19599980 [patent_doc_number] => 20240390860 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => POLYIMIDE-BASED MEMBRANES FOR DESALINATION [patent_app_type] => utility [patent_app_number] => 18/364639 [patent_app_country] => US [patent_app_date] => 2023-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10841 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18364639 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/364639
POLYIMIDE-BASED MEMBRANES FOR DESALINATION Aug 2, 2023 Pending
Array ( [id] => 18785141 [patent_doc_number] => 20230372878 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => FILTER APPARATUS FOR SEMICONDUCTOR DEVICE FABRICATION PROCESS [patent_app_type] => utility [patent_app_number] => 18/229556 [patent_app_country] => US [patent_app_date] => 2023-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7865 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18229556 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/229556
Filter apparatus for semiconductor device fabrication process Aug 1, 2023 Issued
Array ( [id] => 18901732 [patent_doc_number] => 20240017217 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => SPACERS COMPATIBLE WITH ACTIVE LAYER IN FLUID FILTRATION ELEMENTS [patent_app_type] => utility [patent_app_number] => 18/359304 [patent_app_country] => US [patent_app_date] => 2023-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3138 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18359304 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/359304
SPACERS COMPATIBLE WITH ACTIVE LAYER IN FLUID FILTRATION ELEMENTS Jul 25, 2023 Pending
Array ( [id] => 18752867 [patent_doc_number] => 20230356149 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => Feedstock Solution Flow Concentration System [patent_app_type] => utility [patent_app_number] => 18/224806 [patent_app_country] => US [patent_app_date] => 2023-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14749 [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] => 18224806 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/224806
Feedstock Solution Flow Concentration System Jul 20, 2023 Pending
Array ( [id] => 18878886 [patent_doc_number] => 20240002255 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => WATER TREATMENT SYSTEM AND METHOD FOR USE WITH AN ENVIRONMENTAL CHAMBER OR AN INCUBATOR [patent_app_type] => utility [patent_app_number] => 18/217768 [patent_app_country] => US [patent_app_date] => 2023-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4760 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18217768 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/217768
Water treatment system and method for use with an environmental chamber or an incubator Jul 2, 2023 Issued
Array ( [id] => 18916005 [patent_doc_number] => 11878271 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-23 [patent_title] => Low-pressure high-flux hollow fiber nanofiltration (NF) membrane, and preparation method and use thereof [patent_app_type] => utility [patent_app_number] => 18/209578 [patent_app_country] => US [patent_app_date] => 2023-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 4796 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18209578 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/209578
Low-pressure high-flux hollow fiber nanofiltration (NF) membrane, and preparation method and use thereof Jun 13, 2023 Issued
Array ( [id] => 20413291 [patent_doc_number] => 12496554 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-16 [patent_title] => Triamine-functionalized MCM-41-based filtration membrane [patent_app_type] => utility [patent_app_number] => 18/333663 [patent_app_country] => US [patent_app_date] => 2023-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 56 [patent_no_of_words] => 7127 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18333663 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/333663
Triamine-functionalized MCM-41-based filtration membrane Jun 12, 2023 Issued
Array ( [id] => 19630101 [patent_doc_number] => 20240408550 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => AMORPHOUS FLUOROPOLYMER MEMBRANES [patent_app_type] => utility [patent_app_number] => 18/208521 [patent_app_country] => US [patent_app_date] => 2023-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7943 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18208521 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/208521
AMORPHOUS FLUOROPOLYMER MEMBRANES Jun 11, 2023 Pending
Array ( [id] => 18829979 [patent_doc_number] => 20230398503 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => ULTRATHIN MEMBRANES FOR NANOSCALE PORES AND CHANNELS [patent_app_type] => utility [patent_app_number] => 18/332593 [patent_app_country] => US [patent_app_date] => 2023-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4617 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18332593 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/332593
Ultrathin membranes for nanoscale pores and channels Jun 8, 2023 Issued
Array ( [id] => 18830722 [patent_doc_number] => 20230399246 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => SYSTEM AND METHOD FOR ENHANCING THE CAPACITY OF AN ADSORPTIVE MEDIA TO REMOVE PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) FROM A FLOW OF LIQUID CONTAMINATED WITH PFAS AND AT LEAST ONE PRECURSOR [patent_app_type] => utility [patent_app_number] => 18/332399 [patent_app_country] => US [patent_app_date] => 2023-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5374 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -46 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18332399 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/332399
SYSTEM AND METHOD FOR ENHANCING THE CAPACITY OF AN ADSORPTIVE MEDIA TO REMOVE PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) FROM A FLOW OF LIQUID CONTAMINATED WITH PFAS AND AT LEAST ONE PRECURSOR Jun 8, 2023 Pending
Array ( [id] => 18829969 [patent_doc_number] => 20230398493 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => SYSTEM FOR REVERSE OSMOSIS AND FOR PRESSURE RETARDED OSMOSIS [patent_app_type] => utility [patent_app_number] => 18/330401 [patent_app_country] => US [patent_app_date] => 2023-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11755 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18330401 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/330401
SYSTEM FOR REVERSE OSMOSIS AND FOR PRESSURE RETARDED OSMOSIS Jun 6, 2023 Pending
Array ( [id] => 18843126 [patent_doc_number] => 20230405530 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => ROTARY FILTER SYSTEM, A ROTARY FILTER DEVICE AND A SEPARATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/205425 [patent_app_country] => US [patent_app_date] => 2023-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15529 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18205425 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/205425
ROTARY FILTER SYSTEM, A ROTARY FILTER DEVICE AND A SEPARATION SYSTEM Jun 1, 2023 Pending
Array ( [id] => 19921819 [patent_doc_number] => 12296079 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Preserving sorbent devices in dialysis systems [patent_app_type] => utility [patent_app_number] => 18/321291 [patent_app_country] => US [patent_app_date] => 2023-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 28 [patent_no_of_words] => 8819 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18321291 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/321291
Preserving sorbent devices in dialysis systems May 21, 2023 Issued
Array ( [id] => 18785920 [patent_doc_number] => 20230373824 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => Destruction of Perfluorosulfonic Acids (PFSAs) via Supercritical Water Oxidation [patent_app_type] => utility [patent_app_number] => 18/200506 [patent_app_country] => US [patent_app_date] => 2023-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8396 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18200506 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/200506
Destruction of Perfluorosulfonic Acids (PFSAs) via Supercritical Water Oxidation May 21, 2023 Pending
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