Search

Krishnan S. Menon

Examiner (ID: 13721, Phone: (571)272-1143 , Office: P/1777 )

Most Active Art Unit
1777
Art Unit(s)
1723, 1797, 1777, 1771
Total Applications
2587
Issued Applications
1401
Pending Applications
259
Abandoned Applications
960

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20804086 [patent_doc_number] => 12668984 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-30 [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] => 12 [patent_figures_cnt] => 33 [patent_no_of_words] => 18031 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 369 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19408270 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/408270
Cleaning device Dec 2, 2025 Issued
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] => 20915338 [patent_doc_number] => 12712192 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-08-18 [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] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2626 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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] => 20498804 [patent_doc_number] => 20260028262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-29 [patent_title] => Wearable device for purifying impure water and method thereof [patent_app_type] => utility [patent_app_number] => 18/786437 [patent_app_country] => US [patent_app_date] => 2024-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1208 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18786437 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/786437
Wearable device for purifying impure water and method thereof Jul 26, 2024 Pending
Array ( [id] => 20497019 [patent_doc_number] => 20260026476 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-29 [patent_title] => SIPHON FISH TANK CLEANING DEVICE [patent_app_type] => utility [patent_app_number] => 18/784010 [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] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18784010 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/784010
SIPHON FISH TANK CLEANING DEVICE Jul 24, 2024 Pending
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] => 19889437 [patent_doc_number] => 20250114749 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => SYSTEMS AND METHODS FOR CONCENTRATING FLUID COMPONENTS VIA DISTILLATION AND MEMBRANE FILTRATION [patent_app_type] => utility [patent_app_number] => 18/664011 [patent_app_country] => US [patent_app_date] => 2024-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16100 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [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] => 18664011 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/664011
SYSTEMS AND METHODS FOR CONCENTRATING FLUID COMPONENTS VIA DISTILLATION AND MEMBRANE FILTRATION May 13, 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] => 19831044 [patent_doc_number] => 20250082830 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => COMBINATION WEARABLE AND STATIONARY DIALYSIS SYSTEM WITH ULTRAFILTRATE MODULE [patent_app_type] => utility [patent_app_number] => 18/641074 [patent_app_country] => US [patent_app_date] => 2024-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9948 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 18641074 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/641074
COMBINATION WEARABLE AND STATIONARY DIALYSIS SYSTEM WITH ULTRAFILTRATE MODULE Apr 18, 2024 Pending
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] => 19510972 [patent_doc_number] => 20240342658 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => Energy Recovery Ventilator [patent_app_type] => utility [patent_app_number] => 18/629689 [patent_app_country] => US [patent_app_date] => 2024-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10400 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18629689 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/629689
Energy Recovery Ventilator Apr 7, 2024 Pending
Array ( [id] => 19529477 [patent_doc_number] => 20240353379 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => METHOD OF TREATING MEASUREMENT FLOW CHANNEL AND LIQUID CHROMATOGRAPHY DEVICE [patent_app_type] => utility [patent_app_number] => 18/627829 [patent_app_country] => US [patent_app_date] => 2024-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5298 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18627829 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/627829
METHOD OF TREATING MEASUREMENT FLOW CHANNEL AND LIQUID CHROMATOGRAPHY DEVICE Apr 4, 2024 Pending
Array ( [id] => 20014885 [patent_doc_number] => 20250153107 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => RECIPROCATING CONCENTRATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/626252 [patent_app_country] => US [patent_app_date] => 2024-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2290 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18626252 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/626252
RECIPROCATING CONCENTRATION SYSTEM Apr 2, 2024 Pending
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
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