Hubert G. Cheung

Array ( [id] => 19939175 [patent_doc_number] => 12311290 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Enclosed media fluid filtration device [patent_app_type] => utility [patent_app_number] => 17/576361 [patent_app_country] => US [patent_app_date] => 2022-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 0 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17576361 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17459180 [patent_doc_number] => 20220072484 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => CHITOSAN BASED MEMBRANE AND ASSOCIATED METHOD OF USE [patent_app_type] => utility [patent_app_number] => 17/527223 [patent_app_country] => US [patent_app_date] => 2021-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9621 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17527223 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18939506 [patent_doc_number] => 20240034645 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => INTEGRATED SYSTEM OF ACTIVATED CARBON REGENERATION AND WATER TREATMENT [patent_app_type] => utility [patent_app_number] => 17/621258 [patent_app_country] => US [patent_app_date] => 2021-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6899 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17621258 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17761299 [patent_doc_number] => 20220234911 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => FILTERING WATER BOTTLE [patent_app_type] => utility [patent_app_number] => 17/469046 [patent_app_country] => US [patent_app_date] => 2021-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7928 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 17469046 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17761299 [patent_doc_number] => 20220234911 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => FILTERING WATER BOTTLE [patent_app_type] => utility [patent_app_number] => 17/469046 [patent_app_country] => US [patent_app_date] => 2021-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7928 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 17469046 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18523348 [patent_doc_number] => 20230234003 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => SURFACE-FUNCTIONALIZED MOLYBDENUM DISULFIDE MEMBRANES FOR FILTRATION APPLICATIONS [patent_app_type] => utility [patent_app_number] => 18/012078 [patent_app_country] => US [patent_app_date] => 2021-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9785 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18012078 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18581894 [patent_doc_number] => 20230264149 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => COMPACT WATER FILTRATION DEVICE [patent_app_type] => utility [patent_app_number] => 18/012013 [patent_app_country] => US [patent_app_date] => 2021-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3140 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18012013 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18597073 [patent_doc_number] => 20230271865 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => CLOSED-LOOP, BIOREGENERATIVE WATER PURIFICATION SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 18/011031 [patent_app_country] => US [patent_app_date] => 2021-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5173 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18011031 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17274247 [patent_doc_number] => 20210380445 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-09 [patent_title] => ROLL ASSEMBLY, IN PARTICULAR FOR WATER TREATMENT, AND TREATMENT APPARATUS [patent_app_type] => utility [patent_app_number] => 17/342780 [patent_app_country] => US [patent_app_date] => 2021-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8978 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17342780 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17257259 [patent_doc_number] => 20210370244 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => SYSTEMS AND METHODS FOR CONTROLLED DEVELOPMENT AND DELIVERY OF GAS AND LIQUID MIXTURES [patent_app_type] => utility [patent_app_number] => 17/331681 [patent_app_country] => US [patent_app_date] => 2021-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4510 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [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] => 17331681 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17213588 [patent_doc_number] => 20210346924 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-11 [patent_title] => ORGANIC WASTE COLLECTION APPARATUS AND METHOD [patent_app_type] => utility [patent_app_number] => 17/313029 [patent_app_country] => US [patent_app_date] => 2021-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9054 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17313029 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18390238 [patent_doc_number] => 20230158456 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => System and Process for Membrane Fouling Control, A Membrane Fouling Control Additive, an Upgrade Kit and an Upgrade Method [patent_app_type] => utility [patent_app_number] => 17/919598 [patent_app_country] => US [patent_app_date] => 2021-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16573 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17919598 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18405644 [patent_doc_number] => 20230166995 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => ANAEROBIC MEMBRANE BIOREACTOR COUPLED WITH UV ADVANCED DISINFECTION PROCESS FOR WASTEWATER TREATMENT [patent_app_type] => utility [patent_app_number] => 17/921202 [patent_app_country] => US [patent_app_date] => 2021-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5669 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17921202 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18739385 [patent_doc_number] => 20230348306 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => PROCESS FOR THE SUPERCRITICAL OXIDATION OF SEWAGE SLUDGE AND OTHER WASTE STREAMS [patent_app_type] => utility [patent_app_number] => 17/911220 [patent_app_country] => US [patent_app_date] => 2021-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5597 [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] => 17911220 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18524206 [patent_doc_number] => 20230234863 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => PURE WATER PRODUCTION METHOD [patent_app_type] => utility [patent_app_number] => 18/008955 [patent_app_country] => US [patent_app_date] => 2021-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3294 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18008955 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18738351 [patent_doc_number] => 20230347267 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => FILTER FOR A TREATMENT APPARATUS [patent_app_type] => utility [patent_app_number] => 17/907075 [patent_app_country] => US [patent_app_date] => 2021-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22222 [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] => 17907075 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18738351 [patent_doc_number] => 20230347267 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => FILTER FOR A TREATMENT APPARATUS [patent_app_type] => utility [patent_app_number] => 17/907075 [patent_app_country] => US [patent_app_date] => 2021-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22222 [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] => 17907075 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18391139 [patent_doc_number] => 20230159357 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => ParaDice Process System [patent_app_type] => utility [patent_app_number] => 17/593853 [patent_app_country] => US [patent_app_date] => 2021-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3550 [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] => 17593853 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18496467 [patent_doc_number] => 20230219041 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => REVERSE OSMOSIS MEMBRANE PROCESSING METHOD [patent_app_type] => utility [patent_app_number] => 17/927734 [patent_app_country] => US [patent_app_date] => 2021-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3088 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17927734 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18109381 [patent_doc_number] => 20230002261 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => MULTI-STAGE APPARATUS AND PROCESS FOR ADVANCED OXIDATION TREATMENT OF WASTEWATER [patent_app_type] => utility [patent_app_number] => 17/642909 [patent_app_country] => US [patent_app_date] => 2021-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6588 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17642909 [rel_patent_id] =>[rel_patent_doc_number] =>)