Search

Krishnan S Menon

Examiner (ID: 4688, Phone: (571)272-1143 , Office: P/1777 )

Most Active Art Unit
1777
Art Unit(s)
1797, 1723, 1777
Total Applications
2532
Issued Applications
1362
Pending Applications
287
Abandoned Applications
948

Applications

Application numberTitle of the applicationFiling DateStatus
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 Pending
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] => 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] => 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
Array ( [id] => 20263231 [patent_doc_number] => 12434201 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Affinity membrane and method of preparation [patent_app_type] => utility [patent_app_number] => 18/430460 [patent_app_country] => US [patent_app_date] => 2024-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 23 [patent_no_of_words] => 7189 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18430460 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/430460
Affinity membrane and method of preparation Jan 31, 2024 Issued
Array ( [id] => 20107038 [patent_doc_number] => 12357737 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Degassing unit [patent_app_type] => utility [patent_app_number] => 18/414850 [patent_app_country] => US [patent_app_date] => 2024-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18414850 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/414850
Degassing unit Jan 16, 2024 Issued
Array ( [id] => 19683838 [patent_doc_number] => 20250002383 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => NANO BUBBLE AND HYDROXYL RADICAL GENERATOR (NBHRG) AND PROCESSING SYSTEM TO DECONTAMINATE WATER WITHOUT CHEMICALS USING NBHRG [patent_app_type] => utility [patent_app_number] => 18/414308 [patent_app_country] => US [patent_app_date] => 2024-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6666 [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] => 18414308 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/414308
NANO BUBBLE AND HYDROXYL RADICAL GENERATOR (NBHRG) AND PROCESSING SYSTEM TO DECONTAMINATE WATER WITHOUT CHEMICALS USING NBHRG Jan 15, 2024 Abandoned
Array ( [id] => 19140886 [patent_doc_number] => 20240139689 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => MICROPOROUS POLYOLEFIN MEMBRANES FROM BESPOKE SOLVENTS [patent_app_type] => utility [patent_app_number] => 18/408372 [patent_app_country] => US [patent_app_date] => 2024-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5369 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18408372 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/408372
Microporous polyolefin membranes from bespoke solvents Jan 8, 2024 Issued
Array ( [id] => 19140881 [patent_doc_number] => 20240139684 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => ELECTRODIALYSIS STACK [patent_app_type] => utility [patent_app_number] => 18/408133 [patent_app_country] => US [patent_app_date] => 2024-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4827 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18408133 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/408133
Electrodialysis stack Jan 8, 2024 Issued
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