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] => 19463946 [patent_doc_number] => 20240317615 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => ELECTRO-ACTIVATED SUPER OXIDIZED WATER AND METHOD OF SYNTHESIZING THE SAME [patent_app_type] => utility [patent_app_number] => 18/550187 [patent_app_country] => US [patent_app_date] => 2022-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3803 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18550187 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/550187
ELECTRO-ACTIVATED SUPER OXIDIZED WATER AND METHOD OF SYNTHESIZING THE SAME Mar 2, 2022 Pending
Array ( [id] => 19463946 [patent_doc_number] => 20240317615 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => ELECTRO-ACTIVATED SUPER OXIDIZED WATER AND METHOD OF SYNTHESIZING THE SAME [patent_app_type] => utility [patent_app_number] => 18/550187 [patent_app_country] => US [patent_app_date] => 2022-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3803 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18550187 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/550187
ELECTRO-ACTIVATED SUPER OXIDIZED WATER AND METHOD OF SYNTHESIZING THE SAME Mar 2, 2022 Pending
Array ( [id] => 18043098 [patent_doc_number] => 11517028 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-06 [patent_title] => Fractionated stillage separation [patent_app_type] => utility [patent_app_number] => 17/683011 [patent_app_country] => US [patent_app_date] => 2022-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 14156 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17683011 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/683011
Fractionated stillage separation Feb 27, 2022 Issued
Array ( [id] => 18043098 [patent_doc_number] => 11517028 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-06 [patent_title] => Fractionated stillage separation [patent_app_type] => utility [patent_app_number] => 17/683011 [patent_app_country] => US [patent_app_date] => 2022-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 14156 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17683011 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/683011
Fractionated stillage separation Feb 27, 2022 Issued
Array ( [id] => 18043098 [patent_doc_number] => 11517028 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-06 [patent_title] => Fractionated stillage separation [patent_app_type] => utility [patent_app_number] => 17/683011 [patent_app_country] => US [patent_app_date] => 2022-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 14156 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17683011 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/683011
Fractionated stillage separation Feb 27, 2022 Issued
Array ( [id] => 18043098 [patent_doc_number] => 11517028 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-06 [patent_title] => Fractionated stillage separation [patent_app_type] => utility [patent_app_number] => 17/683011 [patent_app_country] => US [patent_app_date] => 2022-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 14156 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17683011 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/683011
Fractionated stillage separation Feb 27, 2022 Issued
Array ( [id] => 17903784 [patent_doc_number] => 11457609 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-10-04 [patent_title] => Pet hydration system [patent_app_type] => utility [patent_app_number] => 17/681685 [patent_app_country] => US [patent_app_date] => 2022-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 49 [patent_no_of_words] => 12300 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17681685 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/681685
Pet hydration system Feb 24, 2022 Issued
Array ( [id] => 19033964 [patent_doc_number] => 20240083779 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => METHOD FOR OPERATING REVERSE OSMOSIS MEMBRANE DEVICE, A SLIME CONTROL METHOD, AND A WATER TREATMENT DEVICE [patent_app_type] => utility [patent_app_number] => 18/273027 [patent_app_country] => US [patent_app_date] => 2022-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20757 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18273027 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/273027
METHOD FOR OPERATING REVERSE OSMOSIS MEMBRANE DEVICE, A SLIME CONTROL METHOD, AND A WATER TREATMENT DEVICE Feb 23, 2022 Pending
Array ( [id] => 19870579 [patent_doc_number] => 12263419 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => Filter element and associated filter media providing fuel water separation using surface embossing [patent_app_type] => utility [patent_app_number] => 17/678522 [patent_app_country] => US [patent_app_date] => 2022-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 6075 [patent_no_of_claims] => 43 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17678522 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/678522
Filter element and associated filter media providing fuel water separation using surface embossing Feb 22, 2022 Issued
Array ( [id] => 17828863 [patent_doc_number] => 20220266167 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => APPARATUS, SYSTEMS, AND METHODS FOR EXTRACTING ORGANIC COMPOUNDS [patent_app_type] => utility [patent_app_number] => 17/674491 [patent_app_country] => US [patent_app_date] => 2022-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6973 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17674491 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/674491
Apparatus, systems, and methods for extracting organic compounds Feb 16, 2022 Issued
Array ( [id] => 19777540 [patent_doc_number] => 12226561 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-18 [patent_title] => Magnetic particle separation system with flexible bioprocessing container [patent_app_type] => utility [patent_app_number] => 17/671353 [patent_app_country] => US [patent_app_date] => 2022-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 14990 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17671353 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/671353
Magnetic particle separation system with flexible bioprocessing container Feb 13, 2022 Issued
Array ( [id] => 19675778 [patent_doc_number] => 12187627 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-01-07 [patent_title] => Ultraviolet light for sump water treatment [patent_app_type] => utility [patent_app_number] => 17/670429 [patent_app_country] => US [patent_app_date] => 2022-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2323 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17670429 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/670429
Ultraviolet light for sump water treatment Feb 11, 2022 Issued
Array ( [id] => 19448754 [patent_doc_number] => 20240308884 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => Water Treatment Unit Comprising a Plurality of Filtration Devices [patent_app_type] => utility [patent_app_number] => 18/274380 [patent_app_country] => US [patent_app_date] => 2022-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5649 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18274380 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/274380
Water Treatment Unit Comprising a Plurality of Filtration Devices Feb 9, 2022 Pending
Array ( [id] => 19505230 [patent_doc_number] => 12116643 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Formation method for slag flow, production method for organic compound, production method for particles, and extraction method [patent_app_type] => utility [patent_app_number] => 17/666590 [patent_app_country] => US [patent_app_date] => 2022-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 14497 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17666590 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/666590
Formation method for slag flow, production method for organic compound, production method for particles, and extraction method Feb 7, 2022 Issued
Array ( [id] => 18870114 [patent_doc_number] => 11857894 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-02 [patent_title] => Perforated layer coalescer [patent_app_type] => utility [patent_app_number] => 17/590283 [patent_app_country] => US [patent_app_date] => 2022-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 40 [patent_no_of_words] => 16525 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17590283 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/590283
Perforated layer coalescer Jan 31, 2022 Issued
Array ( [id] => 19520992 [patent_doc_number] => 12122699 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-22 [patent_title] => Method for constructing halophilic nitrogen assimilation microbiome [patent_app_type] => utility [patent_app_number] => 17/590475 [patent_app_country] => US [patent_app_date] => 2022-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 5337 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17590475 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/590475
Method for constructing halophilic nitrogen assimilation microbiome Jan 31, 2022 Issued
Array ( [id] => 17610354 [patent_doc_number] => 20220152633 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => Retrofit Attachments for Water Treatment Systems [patent_app_type] => utility [patent_app_number] => 17/587855 [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] => 7168 [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] => 17587855 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/587855
Retrofit attachments for water treatment systems Jan 27, 2022 Issued
Array ( [id] => 19217623 [patent_doc_number] => 20240182327 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => Filter Cartridge and Water Filter Device [patent_app_type] => utility [patent_app_number] => 18/553126 [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] => 5926 [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] => 18553126 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/553126
Filter Cartridge and Water Filter Device Jan 27, 2022 Pending
Array ( [id] => 18994894 [patent_doc_number] => 11911714 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-27 [patent_title] => Perforated layer coalescer [patent_app_type] => utility [patent_app_number] => 17/587273 [patent_app_country] => US [patent_app_date] => 2022-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 40 [patent_no_of_words] => 16530 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17587273 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/587273
Perforated layer coalescer Jan 27, 2022 Issued
Array ( [id] => 19217623 [patent_doc_number] => 20240182327 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => Filter Cartridge and Water Filter Device [patent_app_type] => utility [patent_app_number] => 18/553126 [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] => 5926 [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] => 18553126 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/553126
Filter Cartridge and Water Filter Device Jan 27, 2022 Pending
Menu