Search

Igor Kershteyn

Examiner (ID: 16203, Phone: (571)272-4817 , Office: P/3745 )

Most Active Art Unit
3745
Art Unit(s)
3745
Total Applications
2781
Issued Applications
2523
Pending Applications
44
Abandoned Applications
227

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19778937 [patent_doc_number] => 12227961 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-18 [patent_title] => Skimmer [patent_app_type] => utility [patent_app_number] => 17/586895 [patent_app_country] => US [patent_app_date] => 2022-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5906 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17586895 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/586895
Skimmer Jan 27, 2022 Issued
Array ( [id] => 17774195 [patent_doc_number] => 20220240544 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => METHOD TO PRODUCE HIGH PROTEIN RESIDUALS [patent_app_type] => utility [patent_app_number] => 17/587111 [patent_app_country] => US [patent_app_date] => 2022-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9284 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17587111 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/587111
Method to produce high protein residuals Jan 27, 2022 Issued
Array ( [id] => 18995776 [patent_doc_number] => 11912602 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-27 [patent_title] => Water conditioning for bacterial control [patent_app_type] => utility [patent_app_number] => 17/586692 [patent_app_country] => US [patent_app_date] => 2022-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 6750 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17586692 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/586692
Water conditioning for bacterial control Jan 26, 2022 Issued
Array ( [id] => 19032983 [patent_doc_number] => 20240082798 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => METHODS AND SYSTEMS FOR DYNAMIC CONTROL OF AN ACOUSTIC FIELD [patent_app_type] => utility [patent_app_number] => 18/273326 [patent_app_country] => US [patent_app_date] => 2022-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10216 [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] => 18273326 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/273326
METHODS AND SYSTEMS FOR DYNAMIC CONTROL OF AN ACOUSTIC FIELD Jan 26, 2022 Pending
Array ( [id] => 18818176 [patent_doc_number] => 20230392516 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => WATER QUALITY DIAGNOSIS METHOD [patent_app_type] => utility [patent_app_number] => 18/032633 [patent_app_country] => US [patent_app_date] => 2022-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15149 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18032633 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/032633
WATER QUALITY DIAGNOSIS METHOD Jan 24, 2022 Pending
Array ( [id] => 19002376 [patent_doc_number] => 20240066447 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => BI-DIRECTIONAL FILTER [patent_app_type] => utility [patent_app_number] => 18/263780 [patent_app_country] => US [patent_app_date] => 2022-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10748 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18263780 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/263780
BI-DIRECTIONAL FILTER Jan 23, 2022 Pending
Array ( [id] => 19020033 [patent_doc_number] => 20240076204 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => WASTEWATER PROCESSING SYSTEM AND APPARATUS [patent_app_type] => utility [patent_app_number] => 18/261720 [patent_app_country] => US [patent_app_date] => 2022-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5584 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18261720 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/261720
WASTEWATER PROCESSING SYSTEM AND APPARATUS Jan 18, 2022 Pending
Array ( [id] => 19033969 [patent_doc_number] => 20240083784 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => HYDROGEN-RICH WATER SUPPLY SYSTEM USING HIGH- INTENSITY ROTATING MAGNETIC FIELD [patent_app_type] => utility [patent_app_number] => 18/272415 [patent_app_country] => US [patent_app_date] => 2022-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6176 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18272415 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/272415
HYDROGEN-RICH WATER SUPPLY SYSTEM USING HIGH- INTENSITY ROTATING MAGNETIC FIELD Jan 18, 2022 Pending
Array ( [id] => 19792435 [patent_doc_number] => 12233359 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-25 [patent_title] => Filter cartridge with valve activation feature [patent_app_type] => utility [patent_app_number] => 17/575125 [patent_app_country] => US [patent_app_date] => 2022-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4408 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17575125 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/575125
Filter cartridge with valve activation feature Jan 12, 2022 Issued
Array ( [id] => 17922693 [patent_doc_number] => 11465925 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-10-11 [patent_title] => Carbon capture method and system [patent_app_type] => utility [patent_app_number] => 17/575626 [patent_app_country] => US [patent_app_date] => 2022-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6979 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17575626 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/575626
Carbon capture method and system Jan 12, 2022 Issued
Array ( [id] => 18134102 [patent_doc_number] => 11559753 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-24 [patent_title] => Isolating components from plants [patent_app_type] => utility [patent_app_number] => 17/647636 [patent_app_country] => US [patent_app_date] => 2022-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 7400 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17647636 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/647636
Isolating components from plants Jan 10, 2022 Issued
Array ( [id] => 17734549 [patent_doc_number] => 20220220008 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => A COMPOSITE MATERIAL AND A WATER PURIFYING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/570756 [patent_app_country] => US [patent_app_date] => 2022-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11665 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17570756 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/570756
Composite material and a water purifying system Jan 6, 2022 Issued
Array ( [id] => 19157493 [patent_doc_number] => 20240150200 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => METHOD AND APPARATUS FOR TREATING WATER [patent_app_type] => utility [patent_app_number] => 18/280583 [patent_app_country] => US [patent_app_date] => 2022-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10241 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18280583 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/280583
METHOD AND APPARATUS FOR TREATING WATER Jan 6, 2022 Pending
Array ( [id] => 17720237 [patent_doc_number] => 20220212957 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-07 [patent_title] => Switchable System for High-Salinity Brine Desalination and Fractional Precipitation [patent_app_type] => utility [patent_app_number] => 17/567809 [patent_app_country] => US [patent_app_date] => 2022-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6308 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17567809 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/567809
Switchable system for high-salinity brine desalination and fractional precipitation Jan 2, 2022 Issued
Array ( [id] => 18817305 [patent_doc_number] => 20230391645 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => WATER TREATMENT METHOD, CONTROL APPARATUS, AND WATER TREATMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 18/278598 [patent_app_country] => US [patent_app_date] => 2021-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10389 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18278598 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/278598
WATER TREATMENT METHOD, CONTROL APPARATUS, AND WATER TREATMENT SYSTEM Dec 26, 2021 Pending
Array ( [id] => 18986757 [patent_doc_number] => 20240058726 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => METHOD, SYSTEM AND/OR APPARATUS FOR USE OF LIQUID OR FLUID CARBON DIOXIDE IN EXTRACTION AND/OR SOLUBILISING SOURCE MATERIAL AND BINDING AND/OR ELUTION WITH A MOLECULARLY IMPRINTED POLYMER [patent_app_type] => utility [patent_app_number] => 18/269662 [patent_app_country] => US [patent_app_date] => 2021-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25273 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -33 [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] => 18269662 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/269662
METHOD, SYSTEM AND/OR APPARATUS FOR USE OF LIQUID OR FLUID CARBON DIOXIDE IN EXTRACTION AND/OR SOLUBILISING SOURCE MATERIAL AND BINDING AND/OR ELUTION WITH A MOLECULARLY IMPRINTED POLYMER Dec 23, 2021 Pending
Array ( [id] => 19002359 [patent_doc_number] => 20240066430 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => APPARATUS, SYSTEM AND METHODS FOR PROCESSING OF HARVESTED CANNABIS PLANT MATERIAL [patent_app_type] => utility [patent_app_number] => 18/259095 [patent_app_country] => US [patent_app_date] => 2021-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8976 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18259095 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/259095
APPARATUS, SYSTEM AND METHODS FOR PROCESSING OF HARVESTED CANNABIS PLANT MATERIAL Dec 23, 2021 Pending
Array ( [id] => 19050697 [patent_doc_number] => 20240092666 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => METHOD AND SYSTEM FOR WASTEWATER TREATMENT BY MEMBRANE FILTRATION AND ELECTROCHEMICAL OXIDATION [patent_app_type] => utility [patent_app_number] => 18/257849 [patent_app_country] => US [patent_app_date] => 2021-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5410 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18257849 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/257849
METHOD AND SYSTEM FOR WASTEWATER TREATMENT BY MEMBRANE FILTRATION AND ELECTROCHEMICAL OXIDATION Dec 15, 2021 Pending
Array ( [id] => 18954020 [patent_doc_number] => 20240042347 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => Extraction Of Guayule Resin [patent_app_type] => utility [patent_app_number] => 18/258476 [patent_app_country] => US [patent_app_date] => 2021-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7660 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 18258476 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/258476
Extraction Of Guayule Resin Dec 15, 2021 Pending
Array ( [id] => 17519596 [patent_doc_number] => 20220105444 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => METHODS AND APPARATUS FOR COUNTER-CURRENT LEACHING OF FINELY DIVIDED SOLIDS [patent_app_type] => utility [patent_app_number] => 17/550786 [patent_app_country] => US [patent_app_date] => 2021-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2700 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17550786 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/550786
METHODS AND APPARATUS FOR COUNTER-CURRENT LEACHING OF FINELY DIVIDED SOLIDS Dec 13, 2021 Abandoned
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