Search

Roy P. Rabindranath

Examiner (ID: 18735, Phone: (571)270-5722 , Office: P/2691 )

Most Active Art Unit
2691
Art Unit(s)
2618, 2621, 2691, 2629, 2623
Total Applications
717
Issued Applications
599
Pending Applications
29
Abandoned Applications
106

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19571680 [patent_doc_number] => 20240375972 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => PROCESSES FOR RECOVERING LITHIUM VALUES FROM LITHIUM-CONTAINING BRINES [patent_app_type] => utility [patent_app_number] => 18/781703 [patent_app_country] => US [patent_app_date] => 2024-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9738 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [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] => 18781703 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/781703
PROCESSES FOR RECOVERING LITHIUM VALUES FROM LITHIUM-CONTAINING BRINES Jul 22, 2024 Pending
Array ( [id] => 19542979 [patent_doc_number] => 20240360015 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => WATER TREATMENT METHOD FOR ADSORBING METAL IONS [patent_app_type] => utility [patent_app_number] => 18/768193 [patent_app_country] => US [patent_app_date] => 2024-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8022 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18768193 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/768193
Water treatment method for adsorbing metal ions Jul 9, 2024 Issued
Array ( [id] => 19542978 [patent_doc_number] => 20240360014 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => METAL ION REMOVAL METHOD [patent_app_type] => utility [patent_app_number] => 18/767289 [patent_app_country] => US [patent_app_date] => 2024-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8028 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18767289 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/767289
Metal ion removal method Jul 8, 2024 Issued
Array ( [id] => 19527076 [patent_doc_number] => 20240350978 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => HIGH REJECTION SPIRAL WOUND ELEMENTS WITH PROTECTIVE FEATURES [patent_app_type] => utility [patent_app_number] => 18/751125 [patent_app_country] => US [patent_app_date] => 2024-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6422 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 18751125 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/751125
High rejection spiral wound elements with protective features Jun 20, 2024 Issued
Array ( [id] => 20255196 [patent_doc_number] => 12427530 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Method and apparatus for self-contained fluid cleaning apparatus [patent_app_type] => utility [patent_app_number] => 18/637521 [patent_app_country] => US [patent_app_date] => 2024-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 28608 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18637521 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/637521
Method and apparatus for self-contained fluid cleaning apparatus Apr 16, 2024 Issued
Array ( [id] => 19331604 [patent_doc_number] => 20240246034 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => TANGENTIAL FLOW FILTRATION DEVICE FOR PERFUSION APPLICATIONS [patent_app_type] => utility [patent_app_number] => 18/624011 [patent_app_country] => US [patent_app_date] => 2024-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8154 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18624011 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/624011
TANGENTIAL FLOW FILTRATION DEVICE FOR PERFUSION APPLICATIONS Mar 31, 2024 Abandoned
Array ( [id] => 20212780 [patent_doc_number] => 12409416 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Filter monitoring system [patent_app_type] => utility [patent_app_number] => 18/619937 [patent_app_country] => US [patent_app_date] => 2024-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 9790 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 328 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18619937 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/619937
Filter monitoring system Mar 27, 2024 Issued
Array ( [id] => 19854736 [patent_doc_number] => 12257549 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Method for purifying biological dust suppressant by two-stage ultrafiltration [patent_app_type] => utility [patent_app_number] => 18/603379 [patent_app_country] => US [patent_app_date] => 2024-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2147 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 372 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18603379 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/603379
Method for purifying biological dust suppressant by two-stage ultrafiltration Mar 12, 2024 Issued
Array ( [id] => 19440201 [patent_doc_number] => 12090429 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-09-17 [patent_title] => Filter device, faucet water purifier and spraying process thereof [patent_app_type] => utility [patent_app_number] => 18/599312 [patent_app_country] => US [patent_app_date] => 2024-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6026 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 376 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18599312 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/599312
Filter device, faucet water purifier and spraying process thereof Mar 7, 2024 Issued
Array ( [id] => 19298245 [patent_doc_number] => 20240226811 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => DEVICE SUITABLE FOR VACUUM ASSISTED FILTRATION [patent_app_type] => utility [patent_app_number] => 18/437727 [patent_app_country] => US [patent_app_date] => 2024-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3242 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 377 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18437727 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/437727
Device suitable for vacuum assisted filtration Feb 8, 2024 Issued
Array ( [id] => 19201773 [patent_doc_number] => 20240173672 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => SYSTEM AND METHOD FOR RECLAIMING SOLVENT [patent_app_type] => utility [patent_app_number] => 18/431747 [patent_app_country] => US [patent_app_date] => 2024-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10047 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 18431747 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/431747
SYSTEM AND METHOD FOR RECLAIMING SOLVENT Feb 1, 2024 Pending
Array ( [id] => 19172302 [patent_doc_number] => 20240158276 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => DESALINATION BRINE CONCENTRATION SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/545457 [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] => 5633 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18545457 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/545457
Desalination brine concentration system and method Dec 18, 2023 Issued
Array ( [id] => 19096772 [patent_doc_number] => 20240115999 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => OSMOSIS MODULES HAVING RECIRCULATION LOOPS [patent_app_type] => utility [patent_app_number] => 18/541884 [patent_app_country] => US [patent_app_date] => 2023-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11160 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18541884 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/541884
Osmosis modules having recirculation loops Dec 14, 2023 Issued
Array ( [id] => 19246990 [patent_doc_number] => 20240197974 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => SYSTEMS AND METHODS FOR USING NITRIC OXIDE IN DIALYSIS [patent_app_type] => utility [patent_app_number] => 18/528431 [patent_app_country] => US [patent_app_date] => 2023-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7698 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18528431 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/528431
Systems and methods for using nitric oxide in dialysis Dec 3, 2023 Issued
Array ( [id] => 19111657 [patent_doc_number] => 20240123407 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => MEMBRANE FILTER AND FILTERING METHOD [patent_app_type] => utility [patent_app_number] => 18/382514 [patent_app_country] => US [patent_app_date] => 2023-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6138 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18382514 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/382514
Membrane filter and filtering method Oct 21, 2023 Issued
Array ( [id] => 19888523 [patent_doc_number] => 20250113835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => BRINE FILTER CLEANING SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/482132 [patent_app_country] => US [patent_app_date] => 2023-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5803 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18482132 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/482132
BRINE FILTER CLEANING SYSTEM AND METHOD Oct 5, 2023 Pending
Array ( [id] => 19082998 [patent_doc_number] => 20240109799 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => METHOD TO TREAT AND MINIMIZE SLUDGE FROM BIOREFINERIES [patent_app_type] => utility [patent_app_number] => 18/374529 [patent_app_country] => US [patent_app_date] => 2023-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5188 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18374529 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/374529
METHOD TO TREAT AND MINIMIZE SLUDGE FROM BIOREFINERIES Sep 27, 2023 Pending
Array ( [id] => 19862121 [patent_doc_number] => 20250100907 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => REMOVING BIVALENT IONS FROM PRODUCED WATER [patent_app_type] => utility [patent_app_number] => 18/475317 [patent_app_country] => US [patent_app_date] => 2023-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2691 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18475317 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/475317
REMOVING BIVALENT IONS FROM PRODUCED WATER Sep 26, 2023 Pending
Array ( [id] => 18894140 [patent_doc_number] => 20240009625 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => CELL RETENTION DEVICE [patent_app_type] => utility [patent_app_number] => 18/471468 [patent_app_country] => US [patent_app_date] => 2023-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3146 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18471468 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/471468
CELL RETENTION DEVICE Sep 20, 2023 Pending
Array ( [id] => 18860667 [patent_doc_number] => 20230415102 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => SEPARATION MEMBRANE COMPLEX AND METHOD OF PRODUCING SEPARATION MEMBRANE COMPLEX [patent_app_type] => utility [patent_app_number] => 18/466145 [patent_app_country] => US [patent_app_date] => 2023-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11083 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18466145 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/466145
SEPARATION MEMBRANE COMPLEX AND METHOD OF PRODUCING SEPARATION MEMBRANE COMPLEX Sep 12, 2023 Pending
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