Search

Krishnan S. Menon

Examiner (ID: 3853, Phone: (571)272-1143 , Office: P/1777 )

Most Active Art Unit
1777
Art Unit(s)
1797, 1723, 1777
Total Applications
2571
Issued Applications
1385
Pending Applications
270
Abandoned Applications
959

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20615451 [patent_doc_number] => 20260085539 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-26 [patent_title] => CLEANING DEVICE [patent_app_type] => utility [patent_app_number] => 19/408270 [patent_app_country] => US [patent_app_date] => 2025-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18031 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 369 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19408270 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/408270
CLEANING DEVICE Dec 2, 2025 Pending
Array ( [id] => 20393771 [patent_doc_number] => 20250369246 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [patent_title] => CLEANING DEVICE [patent_app_type] => utility [patent_app_number] => 19/304453 [patent_app_country] => US [patent_app_date] => 2025-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18048 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19304453 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/304453
Cleaning device Aug 18, 2025 Issued
Array ( [id] => 20206569 [patent_doc_number] => 20250276289 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => THERMOELECTRIC DISTILLATION APPARATUS [patent_app_type] => utility [patent_app_number] => 19/211681 [patent_app_country] => US [patent_app_date] => 2025-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8667 [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] => 19211681 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/211681
Thermoelectric distillation apparatus May 18, 2025 Issued
Array ( [id] => 20011386 [patent_doc_number] => 20250149608 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => Systems and Methods for Harnessing Thermal Gradient Energy [patent_app_type] => utility [patent_app_number] => 18/979871 [patent_app_country] => US [patent_app_date] => 2024-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2626 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18979871 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/979871
Systems and Methods for Harnessing Thermal Gradient Energy Dec 12, 2024 Pending
Array ( [id] => 19768579 [patent_doc_number] => 20250050005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => TREATING CIRCULATING CELL CLUSTERS [patent_app_type] => utility [patent_app_number] => 18/797358 [patent_app_country] => US [patent_app_date] => 2024-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9388 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18797358 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/797358
Treating circulating cell clusters Aug 6, 2024 Issued
Array ( [id] => 19585317 [patent_doc_number] => 20240382874 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => Large-flux Ultra-fine Grid System with Non-rotating Screen Plates [patent_app_type] => utility [patent_app_number] => 18/786770 [patent_app_country] => US [patent_app_date] => 2024-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4005 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 504 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18786770 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/786770
Large-flux ultra-fine grid system with non-rotating screen plates Jul 28, 2024 Issued
Array ( [id] => 19564818 [patent_doc_number] => 12139580 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Class of nitrogen-containing heterocyclic polymers, a class of polymer membranes and applications thereof [patent_app_type] => utility [patent_app_number] => 18/747971 [patent_app_country] => US [patent_app_date] => 2024-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12252 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18747971 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/747971
Class of nitrogen-containing heterocyclic polymers, a class of polymer membranes and applications thereof Jun 18, 2024 Issued
Array ( [id] => 19432500 [patent_doc_number] => 20240300998 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => METHODS FOR REDUCING IMPURITIES IN SILK FIBROIN PREPARATIONS [patent_app_type] => utility [patent_app_number] => 18/666032 [patent_app_country] => US [patent_app_date] => 2024-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14611 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18666032 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/666032
METHODS FOR REDUCING IMPURITIES IN SILK FIBROIN PREPARATIONS May 15, 2024 Pending
Array ( [id] => 19477945 [patent_doc_number] => 20240325987 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => Filtration Films Having Dense Packing of Pores of Uniform Size and Distribution, and Tools and Methods for Their Formation [patent_app_type] => utility [patent_app_number] => 18/659294 [patent_app_country] => US [patent_app_date] => 2024-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10574 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18659294 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/659294
Filtration Films Having Dense Packing of Pores of Uniform Size and Distribution, and Tools and Methods for Their Formation May 8, 2024 Pending
Array ( [id] => 19527074 [patent_doc_number] => 20240350976 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => HOLLOW FIBER MEMBRANE AND METHOD FOR CLOSING THE SAME [patent_app_type] => utility [patent_app_number] => 18/652528 [patent_app_country] => US [patent_app_date] => 2024-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7070 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18652528 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/652528
Hollow fiber membrane and method for closing the same Apr 30, 2024 Issued
Array ( [id] => 19784597 [patent_doc_number] => 20250058276 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => APPARATUS AND METHODS FOR SOLUTION PROCESSING [patent_app_type] => utility [patent_app_number] => 18/643122 [patent_app_country] => US [patent_app_date] => 2024-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 36932 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18643122 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/643122
Apparatus and methods for solution processing Apr 22, 2024 Issued
Array ( [id] => 19666436 [patent_doc_number] => 12179158 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-12-31 [patent_title] => Mixed matrix membranes containing covalent triazine frameworks [patent_app_type] => utility [patent_app_number] => 18/638505 [patent_app_country] => US [patent_app_date] => 2024-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 16 [patent_no_of_words] => 3998 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18638505 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/638505
Mixed matrix membranes containing covalent triazine frameworks Apr 16, 2024 Issued
Array ( [id] => 19431386 [patent_doc_number] => 20240299884 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => METHODS AND APPARATUS FOR FORMING APERTURES IN A SOLID STATE MEMBRANE USING DIELECTRIC BREAKDOWN [patent_app_type] => utility [patent_app_number] => 18/604714 [patent_app_country] => US [patent_app_date] => 2024-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15444 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18604714 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/604714
METHODS AND APPARATUS FOR FORMING APERTURES IN A SOLID STATE MEMBRANE USING DIELECTRIC BREAKDOWN Mar 13, 2024 Pending
Array ( [id] => 19477907 [patent_doc_number] => 20240325949 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => CUTTING FLUID CIRCULATION DEVICE [patent_app_type] => utility [patent_app_number] => 18/602142 [patent_app_country] => US [patent_app_date] => 2024-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5476 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18602142 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/602142
CUTTING FLUID CIRCULATION DEVICE Mar 11, 2024 Pending
Array ( [id] => 19480801 [patent_doc_number] => 20240328843 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => LIQUID PURIFICATION UNIT AND LIQUID PURIFICATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/602241 [patent_app_country] => US [patent_app_date] => 2024-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4966 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18602241 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/602241
LIQUID PURIFICATION UNIT AND LIQUID PURIFICATION SYSTEM Mar 11, 2024 Pending
Array ( [id] => 20206541 [patent_doc_number] => 20250276261 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => AUTOMATIC SHUTOFF VALVE FOR A WATER FILTER ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/591556 [patent_app_country] => US [patent_app_date] => 2024-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3428 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18591556 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/591556
AUTOMATIC SHUTOFF VALVE FOR A WATER FILTER ASSEMBLY Feb 28, 2024 Pending
Array ( [id] => 19246991 [patent_doc_number] => 20240197975 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => Extracorporeal Device and Method for Removal of Secondary Membrane [patent_app_type] => utility [patent_app_number] => 18/588284 [patent_app_country] => US [patent_app_date] => 2024-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14022 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18588284 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/588284
Extracorporeal device and method for removal of secondary membrane Feb 26, 2024 Issued
Array ( [id] => 19367603 [patent_doc_number] => 12059666 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-08-13 [patent_title] => TiO [patent_app_type] => utility [patent_app_number] => 18/585570 [patent_app_country] => US [patent_app_date] => 2024-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3334 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18585570 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/585570
TiO Feb 22, 2024 Issued
Array ( [id] => 19815435 [patent_doc_number] => 20250073642 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => MULTI-JET IMPINGEMENT DEHUMIDIFIER FOR MEMBRANE DISTILLATION DESALINATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/582954 [patent_app_country] => US [patent_app_date] => 2024-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20618 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18582954 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/582954
MULTI-JET IMPINGEMENT DEHUMIDIFIER FOR MEMBRANE DISTILLATION DESALINATION SYSTEM Feb 20, 2024 Pending
Array ( [id] => 19425130 [patent_doc_number] => 12084533 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-09-10 [patent_title] => Synthesis of non-ionic hydrogels for non-ionic pollutant removal [patent_app_type] => utility [patent_app_number] => 18/581246 [patent_app_country] => US [patent_app_date] => 2024-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5873 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18581246 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/581246
Synthesis of non-ionic hydrogels for non-ionic pollutant removal Feb 18, 2024 Issued
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