Search

Wasseem H. Hamdan

Examiner (ID: 18571)

Most Active Art Unit
2854
Art Unit(s)
2776, 2785, 2858, 2723, 2854
Total Applications
585
Issued Applications
528
Pending Applications
12
Abandoned Applications
45

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20480253 [patent_doc_number] => 12528723 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-20 [patent_title] => Plasma activated water production with membrane concentration [patent_app_type] => utility [patent_app_number] => 19/087002 [patent_app_country] => US [patent_app_date] => 2025-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 4693 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 327 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19087002 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/087002
Plasma activated water production with membrane concentration Mar 20, 2025 Issued
Array ( [id] => 19889434 [patent_doc_number] => 20250114746 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => SYSTEM AND METHOD FOR ELECTRICALLY CONDUCTIVE MEMBRANE SEPARATION [patent_app_type] => utility [patent_app_number] => 18/987855 [patent_app_country] => US [patent_app_date] => 2024-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22960 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18987855 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/987855
SYSTEM AND METHOD FOR ELECTRICALLY CONDUCTIVE MEMBRANE SEPARATION Dec 18, 2024 Pending
Array ( [id] => 19816589 [patent_doc_number] => 20250074796 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => THERMAL DRIVEN WATER DESALINATION SYSTEM USING FORWARD OSMOSIS [patent_app_type] => utility [patent_app_number] => 18/816355 [patent_app_country] => US [patent_app_date] => 2024-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12809 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 555 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18816355 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/816355
Thermal driven water desalination system using forward osmosis Aug 26, 2024 Issued
Array ( [id] => 20023664 [patent_doc_number] => 20250161886 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => ZINC IMIDAZOLE SALICYLALDOXIME-BASED ADSORPTIVE MEMBRANES FOR REMOVAL OF METAL IONS FROM AQUEOUS SOLUTIONS [patent_app_type] => utility [patent_app_number] => 18/873924 [patent_app_country] => US [patent_app_date] => 2024-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3954 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18873924 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/873924
ZINC IMIDAZOLE SALICYLALDOXIME-BASED ADSORPTIVE MEMBRANES FOR REMOVAL OF METAL IONS FROM AQUEOUS SOLUTIONS Jul 24, 2024 Pending
Array ( [id] => 19527082 [patent_doc_number] => 20240350984 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => MEMBRANES FOR REMOVING METALLIC SPECIES FROM AMINES [patent_app_type] => utility [patent_app_number] => 18/761281 [patent_app_country] => US [patent_app_date] => 2024-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8046 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18761281 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/761281
MEMBRANES FOR REMOVING METALLIC SPECIES FROM AMINES Jun 30, 2024 Pending
Array ( [id] => 19462814 [patent_doc_number] => 20240316483 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => SELF-CLEANING FILTER [patent_app_type] => utility [patent_app_number] => 18/678361 [patent_app_country] => US [patent_app_date] => 2024-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5295 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18678361 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/678361
SELF-CLEANING FILTER May 29, 2024 Pending
Array ( [id] => 19447696 [patent_doc_number] => 20240307826 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => SYSTEM AND METHOD FOR ELECTRICALLY CONDUCTIVE MEMBRANE SEPARATION [patent_app_type] => utility [patent_app_number] => 18/671586 [patent_app_country] => US [patent_app_date] => 2024-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15027 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18671586 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/671586
SYSTEM AND METHOD FOR ELECTRICALLY CONDUCTIVE MEMBRANE SEPARATION May 21, 2024 Pending
Array ( [id] => 19555287 [patent_doc_number] => 20240367079 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => Water Filter and Medium Therefor [patent_app_type] => utility [patent_app_number] => 18/653090 [patent_app_country] => US [patent_app_date] => 2024-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4844 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18653090 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/653090
Water Filter and Medium Therefor May 1, 2024 Abandoned
Array ( [id] => 19417643 [patent_doc_number] => 20240293766 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => FUNCTIONALIZED FILTERS [patent_app_type] => utility [patent_app_number] => 18/645691 [patent_app_country] => US [patent_app_date] => 2024-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8034 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18645691 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/645691
FUNCTIONALIZED FILTERS Apr 24, 2024 Abandoned
Array ( [id] => 19300374 [patent_doc_number] => 20240228943 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => DISPOSABLE CELL REMOVAL SYSTEM [patent_app_type] => utility [patent_app_number] => 18/441850 [patent_app_country] => US [patent_app_date] => 2024-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3623 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18441850 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/441850
DISPOSABLE CELL REMOVAL SYSTEM Feb 13, 2024 Pending
Array ( [id] => 19997186 [patent_doc_number] => 20250135408 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => POLYTETRAFLUOROETHYLENE (PTFE) MEMBRANES WITH GRADIENT PORE STRUCTURES AND METHODS FOR PREPARING THE SAME [patent_app_type] => utility [patent_app_number] => 18/832495 [patent_app_country] => US [patent_app_date] => 2023-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2314 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18832495 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/832495
POLYTETRAFLUOROETHYLENE (PTFE) MEMBRANES WITH GRADIENT PORE STRUCTURES AND METHODS FOR PREPARING THE SAME Dec 18, 2023 Pending
Array ( [id] => 19002384 [patent_doc_number] => 20240066455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => FILTRATION MEDIA, FILTER PACKS, AND FILTER ELEMENTS WITH PROTRUSIONS [patent_app_type] => utility [patent_app_number] => 18/387386 [patent_app_country] => US [patent_app_date] => 2023-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11923 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18387386 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/387386
FILTRATION MEDIA, FILTER PACKS, AND FILTER ELEMENTS WITH PROTRUSIONS Nov 5, 2023 Abandoned
Array ( [id] => 18954060 [patent_doc_number] => 20240042387 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => SYSTEM AND METHOD FOR ELECTRICALLY CONDUCTIVE MEMBRANE SEPARATION [patent_app_type] => utility [patent_app_number] => 18/382884 [patent_app_country] => US [patent_app_date] => 2023-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22932 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18382884 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/382884
System and method for electrically conductive membrane separation Oct 22, 2023 Issued
Array ( [id] => 19002378 [patent_doc_number] => 20240066449 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => BONDING MULTIPLE LAYERS OF FILTRATION MATERIAL [patent_app_type] => utility [patent_app_number] => 18/239336 [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] => 3483 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18239336 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/239336
BONDING MULTIPLE LAYERS OF FILTRATION MATERIAL Aug 28, 2023 Pending
Array ( [id] => 19799353 [patent_doc_number] => 20250065278 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => METHOD OF REMOVING AN ORGANIC MICROPOLLUTANT FROM A TREATMENT SOLUTION [patent_app_type] => utility [patent_app_number] => 18/456167 [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] => 9228 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18456167 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/456167
METHOD OF REMOVING AN ORGANIC MICROPOLLUTANT FROM A TREATMENT SOLUTION Aug 24, 2023 Pending
Array ( [id] => 18843120 [patent_doc_number] => 20230405524 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => BIOCIDE COMPOSITION AND METHOD [patent_app_type] => utility [patent_app_number] => 18/453023 [patent_app_country] => US [patent_app_date] => 2023-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7860 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18453023 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/453023
Biocide composition and method Aug 20, 2023 Issued
Array ( [id] => 19104939 [patent_doc_number] => 11958014 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => High-flux composite nanofiltration (NF) membrane with electrical double layer (EDL), and preparation method and use thereof [patent_app_type] => utility [patent_app_number] => 18/220916 [patent_app_country] => US [patent_app_date] => 2023-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5387 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18220916 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/220916
High-flux composite nanofiltration (NF) membrane with electrical double layer (EDL), and preparation method and use thereof Jul 11, 2023 Issued
Array ( [id] => 19090022 [patent_doc_number] => 11951445 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Photothermal photocatalytic membrane for seawater desalination and uranium extraction and preparation method therefor [patent_app_type] => utility [patent_app_number] => 18/195735 [patent_app_country] => US [patent_app_date] => 2023-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 6034 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 679 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18195735 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/195735
Photothermal photocatalytic membrane for seawater desalination and uranium extraction and preparation method therefor May 9, 2023 Issued
Array ( [id] => 20328669 [patent_doc_number] => 12458929 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Synthesis of graphene-modified polyurethane foam membrane for separating water from an oil-water mixture [patent_app_type] => utility [patent_app_number] => 18/312304 [patent_app_country] => US [patent_app_date] => 2023-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3528 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18312304 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/312304
Synthesis of graphene-modified polyurethane foam membrane for separating water from an oil-water mixture May 3, 2023 Issued
Array ( [id] => 18551136 [patent_doc_number] => 20230249138 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => PROCESS OF MANUFACTURE OF NON-OXIDE CERAMIC FILTRATION MEMBRANE [patent_app_type] => utility [patent_app_number] => 18/300473 [patent_app_country] => US [patent_app_date] => 2023-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14782 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18300473 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/300473
PROCESS OF MANUFACTURE OF NON-OXIDE CERAMIC FILTRATION MEMBRANE Apr 13, 2023 Pending
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