Search

Frank D. Ducheneaux

Examiner (ID: 11511, Phone: (571)270-7053 , Office: P/1788 )

Most Active Art Unit
1788
Art Unit(s)
1788, 1794, 1787
Total Applications
820
Issued Applications
295
Pending Applications
107
Abandoned Applications
441

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18551126 [patent_doc_number] => 20230249128 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => FLUORORESIN MEMBRANE MATERIAL AND PRODUCTION PROCESS THEREFOR [patent_app_type] => utility [patent_app_number] => 18/299755 [patent_app_country] => US [patent_app_date] => 2023-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14899 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18299755 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/299755
FLUORORESIN MEMBRANE MATERIAL AND PRODUCTION PROCESS THEREFOR Apr 12, 2023 Pending
Array ( [id] => 18510366 [patent_doc_number] => 20230226474 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => VACUUM CLEANER FILTER BAG COMPRISING DUST- AND/OR FIBER-LIKE RECYCLED MATERIAL [patent_app_type] => utility [patent_app_number] => 18/123615 [patent_app_country] => US [patent_app_date] => 2023-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6555 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18123615 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/123615
VACUUM CLEANER FILTER BAG COMPRISING DUST- AND/OR FIBER-LIKE RECYCLED MATERIAL Mar 19, 2023 Pending
Array ( [id] => 18510392 [patent_doc_number] => 20230226500 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => Composite Poly (Aryl Ether Ketone) Membranes, Their Preparation And Use Thereof [patent_app_type] => utility [patent_app_number] => 18/123591 [patent_app_country] => US [patent_app_date] => 2023-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16676 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18123591 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/123591
Composite poly (aryl ether ketone) membranes, their preparation and use thereof Mar 19, 2023 Issued
Array ( [id] => 18325511 [patent_doc_number] => 20230123639 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => ULTRAPOROUS NANOFIBER MATS AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 18/066610 [patent_app_country] => US [patent_app_date] => 2022-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8416 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18066610 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/066610
ULTRAPOROUS NANOFIBER MATS AND USES THEREOF Dec 14, 2022 Pending
Array ( [id] => 18418976 [patent_doc_number] => 20230173436 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => COATED SUBSTRATES THAT DEMONSTRATE PREFERENTIAL PERMEABILITY TO WATER, SUITABLE AS MEMBRANES FOR SEPARATING OIL-IN-WATER EMULSIONS [patent_app_type] => utility [patent_app_number] => 18/077453 [patent_app_country] => US [patent_app_date] => 2022-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3129 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18077453 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/077453
COATED SUBSTRATES THAT DEMONSTRATE PREFERENTIAL PERMEABILITY TO WATER, SUITABLE AS MEMBRANES FOR SEPARATING OIL-IN-WATER EMULSIONS Dec 7, 2022 Pending
Array ( [id] => 18434794 [patent_doc_number] => 20230182088 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => METHOD FOR PREPARING HIGH-SELECTIVITY LITHIUM-MAGNESIUM SEPARATION MEMBRANE [patent_app_type] => utility [patent_app_number] => 18/070513 [patent_app_country] => US [patent_app_date] => 2022-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3249 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18070513 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/070513
METHOD FOR PREPARING HIGH-SELECTIVITY LITHIUM-MAGNESIUM SEPARATION MEMBRANE Nov 28, 2022 Pending
Array ( [id] => 18309286 [patent_doc_number] => 20230113186 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => Spiral Wound Element Construction [patent_app_type] => utility [patent_app_number] => 18/070179 [patent_app_country] => US [patent_app_date] => 2022-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3596 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18070179 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/070179
Spiral Wound Element Construction Nov 27, 2022 Abandoned
Array ( [id] => 18339660 [patent_doc_number] => 20230131609 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => BIOLOGICAL FILTRATION SYSTEMS AND CONTROLLING METHODS THEREOF [patent_app_type] => utility [patent_app_number] => 18/048505 [patent_app_country] => US [patent_app_date] => 2022-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25689 [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] => 18048505 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/048505
BIOLOGICAL FILTRATION SYSTEMS AND CONTROLLING METHODS THEREOF Oct 20, 2022 Pending
Array ( [id] => 19134782 [patent_doc_number] => 11969697 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-30 [patent_title] => Phenyl-modified polydimethylsiloxane (PDMS) separation membrane, fabrication method thereof, and use thereof in separation of aromatic compound [patent_app_type] => utility [patent_app_number] => 17/970595 [patent_app_country] => US [patent_app_date] => 2022-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 3003 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17970595 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/970595
Phenyl-modified polydimethylsiloxane (PDMS) separation membrane, fabrication method thereof, and use thereof in separation of aromatic compound Oct 20, 2022 Issued
Array ( [id] => 19066063 [patent_doc_number] => 20240100489 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => Carbon-based Systems for Simultaneous Adsorption and Release of Small Molecules [patent_app_type] => utility [patent_app_number] => 17/952355 [patent_app_country] => US [patent_app_date] => 2022-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7388 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17952355 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/952355
Carbon-based Systems for Simultaneous Adsorption and Release of Small Molecules Sep 25, 2022 Pending
Array ( [id] => 18310971 [patent_doc_number] => 20230114871 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => LAYER-BY-LAYER ASSEMBLY OF GRAPHENE OXIDE MEMBRANES VIA ELECTROSTATIC INTERACTION AND ELUDICATION OF WATER AND SOLUTE TRANSPORT MECHANISMS [patent_app_type] => utility [patent_app_number] => 17/944591 [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] => 8798 [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] => 17944591 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/944591
LAYER-BY-LAYER ASSEMBLY OF GRAPHENE OXIDE MEMBRANES VIA ELECTROSTATIC INTERACTION AND ELUDICATION OF WATER AND SOLUTE TRANSPORT MECHANISMS Sep 13, 2022 Pending
Array ( [id] => 19897089 [patent_doc_number] => 12274988 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Dendrimeric carbon dot-polyamide membranes [patent_app_type] => utility [patent_app_number] => 17/942932 [patent_app_country] => US [patent_app_date] => 2022-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17942932 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/942932
Dendrimeric carbon dot-polyamide membranes Sep 11, 2022 Issued
Array ( [id] => 18921839 [patent_doc_number] => 20240024843 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => MOLYBDENUM CERAMIC-BASED NANOCOMPOSITE SORBENT FOR REMOVAL OF ORGANIC POLLUTANTS FROM WATER [patent_app_type] => utility [patent_app_number] => 17/871368 [patent_app_country] => US [patent_app_date] => 2022-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13050 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17871368 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/871368
MOLYBDENUM CERAMIC-BASED NANOCOMPOSITE SORBENT FOR REMOVAL OF ORGANIC POLLUTANTS FROM WATER Jul 21, 2022 Pending
Array ( [id] => 18510389 [patent_doc_number] => 20230226497 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => FORWARD OSMOSIS MEMBRANE HAVING LOW WATER RESISTANCE AND EXCELLENT MECHANICAL STRENGTH [patent_app_type] => utility [patent_app_number] => 17/868342 [patent_app_country] => US [patent_app_date] => 2022-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7489 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17868342 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/868342
FORWARD OSMOSIS MEMBRANE HAVING LOW WATER RESISTANCE AND EXCELLENT MECHANICAL STRENGTH Jul 18, 2022 Abandoned
Array ( [id] => 18160425 [patent_doc_number] => 20230027017 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => Porous Composite Membrane for Solvent Extraction [patent_app_type] => utility [patent_app_number] => 17/857580 [patent_app_country] => US [patent_app_date] => 2022-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11345 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17857580 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/857580
Porous Composite Membrane for Solvent Extraction Jul 4, 2022 Pending
Array ( [id] => 18523341 [patent_doc_number] => 20230233996 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => HIGH PERMEANCE NANOFILTRATION MEMBRANE WITH NANORING-LIKE STRUCTURE AND PREPARATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/854143 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2981 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17854143 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/854143
High permeance nanofiltration membrane with nanoring-like structure and preparation method thereof Jun 29, 2022 Issued
Array ( [id] => 19290677 [patent_doc_number] => 12030018 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-09 [patent_title] => System and method for electrically conductive membrane separation [patent_app_type] => utility [patent_app_number] => 17/845667 [patent_app_country] => US [patent_app_date] => 2022-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 38 [patent_no_of_words] => 15015 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17845667 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/845667
System and method for electrically conductive membrane separation Jun 20, 2022 Issued
Array ( [id] => 18035052 [patent_doc_number] => 20220379267 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => SYSTEMS AND METHODS FOR PURIFYING AQUEOUS SOLUTIONS [patent_app_type] => utility [patent_app_number] => 17/825110 [patent_app_country] => US [patent_app_date] => 2022-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 52064 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 741 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17825110 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/825110
SYSTEMS AND METHODS FOR PURIFYING AQUEOUS SOLUTIONS May 25, 2022 Abandoned
Array ( [id] => 18212902 [patent_doc_number] => 20230059166 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => Composite Poly (Aryl Ether Ketone) Membranes, Their Preparation And Use Thereof [patent_app_type] => utility [patent_app_number] => 17/737211 [patent_app_country] => US [patent_app_date] => 2022-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16670 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [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] => 17737211 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/737211
Composite poly (aryl ether ketone) membranes, their preparation and use thereof May 4, 2022 Issued
Array ( [id] => 17828894 [patent_doc_number] => 20220266198 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => THERMAL ENERGY CONVERSION SUBMERGED REVERSE OSMOSIS DESALINATION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/732398 [patent_app_country] => US [patent_app_date] => 2022-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9456 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 308 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17732398 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/732398
Thermal energy conversion submerged reverse osmosis desalination system Apr 27, 2022 Issued
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