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] => 19217640 [patent_doc_number] => 20240182344 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => CUSTOMIZABLE MULTISTAGE FILTER ASSEMBLY WITH REUSABLE SELF-CONTAINED FILTER HOUSING ENABLED WITH DATA REPORTING [patent_app_type] => utility [patent_app_number] => 17/833819 [patent_app_country] => US [patent_app_date] => 2022-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3557 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17833819 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/833819
CUSTOMIZABLE MULTISTAGE FILTER ASSEMBLY WITH REUSABLE SELF-CONTAINED FILTER HOUSING ENABLED WITH DATA REPORTING Jun 5, 2022 Abandoned
Array ( [id] => 18128975 [patent_doc_number] => 11555174 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-17 [patent_title] => Method for proliferation of cells within a bioreactor using a disposable pumphead and filter assembly [patent_app_type] => utility [patent_app_number] => 17/828353 [patent_app_country] => US [patent_app_date] => 2022-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 3637 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17828353 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/828353
Method for proliferation of cells within a bioreactor using a disposable pumphead and filter assembly May 30, 2022 Issued
Array ( [id] => 19360697 [patent_doc_number] => 20240262731 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => A System And Method For Recovering Ammonia From an Ammonia-Containing Liquid [patent_app_type] => utility [patent_app_number] => 18/573591 [patent_app_country] => US [patent_app_date] => 2022-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3264 [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] => 18573591 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/573591
System and method for recovering ammonia from an ammonia-containing liquid May 26, 2022 Issued
Array ( [id] => 18801494 [patent_doc_number] => 11834646 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-05 [patent_title] => Method of actuation of an alternating tangential flow diaphragm pump [patent_app_type] => utility [patent_app_number] => 17/752345 [patent_app_country] => US [patent_app_date] => 2022-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 7275 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17752345 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/752345
Method of actuation of an alternating tangential flow diaphragm pump May 23, 2022 Issued
Array ( [id] => 17852672 [patent_doc_number] => 20220282714 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => Waveform Rotors and/or Disks for Use in a Disk-Pack Turbine [patent_app_type] => utility [patent_app_number] => 17/752055 [patent_app_country] => US [patent_app_date] => 2022-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14377 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17752055 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/752055
Waveform rotors and/or disks for use in a disk-pack turbine May 23, 2022 Issued
Array ( [id] => 17930101 [patent_doc_number] => 20220325226 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => METHOD OF ACTUATION OF AN ALTERNATING TANGENTIAL FLOW DIAPHRAGM PUMP [patent_app_type] => utility [patent_app_number] => 17/752231 [patent_app_country] => US [patent_app_date] => 2022-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7274 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17752231 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/752231
Method of actuation of an alternating tangential flow diaphragm pump May 23, 2022 Issued
Array ( [id] => 18109371 [patent_doc_number] => 20230002251 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => SYSTEM AND METHOD FOR REGULATING AND ABSORBING TFT-LCD ORGANIC SOLVENT WASTE LIQUID IN COUNTERCURRENT [patent_app_type] => utility [patent_app_number] => 17/744651 [patent_app_country] => US [patent_app_date] => 2022-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4732 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 379 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17744651 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/744651
System and method for regulating and absorbing TFT-LCD organic solvent waste liquid in countercurrent May 13, 2022 Issued
Array ( [id] => 17790888 [patent_doc_number] => 20220249979 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => SYSTEMS AND METHODS FOR SOLVENT-FREE LOW PRESSURE EXTRACTION FROM COMPOSITIONS OF MATTER [patent_app_type] => utility [patent_app_number] => 17/661281 [patent_app_country] => US [patent_app_date] => 2022-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15823 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17661281 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/661281
SYSTEMS AND METHODS FOR SOLVENT-FREE LOW PRESSURE EXTRACTION FROM COMPOSITIONS OF MATTER Apr 27, 2022 Abandoned
Array ( [id] => 17882554 [patent_doc_number] => 20220298031 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => SELF-TREATING ELECTROLYTIC BIOCIDE GENERATING SYSTEM WITH RECIRCULATION [patent_app_type] => utility [patent_app_number] => 17/728326 [patent_app_country] => US [patent_app_date] => 2022-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16041 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17728326 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/728326
Self-treating electrolytic biocide generating system with recirculation Apr 24, 2022 Issued
Array ( [id] => 19011820 [patent_doc_number] => 11918721 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-05 [patent_title] => Dialysis system having adaptive prescription management [patent_app_type] => utility [patent_app_number] => 17/727334 [patent_app_country] => US [patent_app_date] => 2022-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 42 [patent_figures_cnt] => 44 [patent_no_of_words] => 24473 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17727334 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/727334
Dialysis system having adaptive prescription management Apr 21, 2022 Issued
Array ( [id] => 19059261 [patent_doc_number] => 11938458 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-26 [patent_title] => Continuous carbon sequestration material production methods and systems for practicing the same [patent_app_type] => utility [patent_app_number] => 17/725006 [patent_app_country] => US [patent_app_date] => 2022-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 23 [patent_no_of_words] => 28191 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17725006 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/725006
Continuous carbon sequestration material production methods and systems for practicing the same Apr 19, 2022 Issued
Array ( [id] => 17761677 [patent_doc_number] => 20220235289 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => RECIRCULATING HIGH PRESSURE LIPID (HPL) EXTRACTOR, INFUSER AND BONDER, AND SYSTEM AND METHOD OF USE THEREOF [patent_app_type] => utility [patent_app_number] => 17/722927 [patent_app_country] => US [patent_app_date] => 2022-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9517 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 377 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17722927 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/722927
Recirculating high pressure lipid (HPL) extractor, infuser and bonder, and system and method of use thereof Apr 17, 2022 Issued
Array ( [id] => 17775130 [patent_doc_number] => 20220241479 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => MODULAR ASSEMBLY FOR A PORTABLE HEMODIALYSIS SYSTEM [patent_app_type] => utility [patent_app_number] => 17/718533 [patent_app_country] => US [patent_app_date] => 2022-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20439 [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] => 17718533 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/718533
Modular assembly for a portable hemodialysis system Apr 11, 2022 Issued
Array ( [id] => 17748348 [patent_doc_number] => 20220226551 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => HEMODIALYSIS SYSTEM INCLUDING A DISPOABLE SET AND A DIALYSIS INSTRUMENT [patent_app_type] => utility [patent_app_number] => 17/712986 [patent_app_country] => US [patent_app_date] => 2022-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10777 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17712986 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/712986
Hemodialysis system including a disposable set and a dialysis instrument Apr 3, 2022 Issued
Array ( [id] => 17982452 [patent_doc_number] => 20220348488 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => PROCESS FOR TREATING SEWAGE SLUDGE [patent_app_type] => utility [patent_app_number] => 17/709600 [patent_app_country] => US [patent_app_date] => 2022-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19961 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17709600 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/709600
Process for treating sewage sludge Mar 30, 2022 Issued
Array ( [id] => 18118329 [patent_doc_number] => 11549716 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-10 [patent_title] => Wastewater conditioning apparatus and method [patent_app_type] => utility [patent_app_number] => 17/656501 [patent_app_country] => US [patent_app_date] => 2022-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 9181 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17656501 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/656501
Wastewater conditioning apparatus and method Mar 24, 2022 Issued
Array ( [id] => 17719208 [patent_doc_number] => 20220211927 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-07 [patent_title] => METHOD FOR TRENDNG AUTOMATED PERITONEAL DIALYSIS TREATMENTS [patent_app_type] => utility [patent_app_number] => 17/700084 [patent_app_country] => US [patent_app_date] => 2022-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18626 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 292 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17700084 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/700084
Method for trending automated peritoneal dialysis treatments Mar 20, 2022 Issued
Array ( [id] => 17703272 [patent_doc_number] => 20220203278 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => NONWOVEN FABRIC, NONWOVEN FABRIC MANUFACTURING METHOD, AND FILTER [patent_app_type] => utility [patent_app_number] => 17/696872 [patent_app_country] => US [patent_app_date] => 2022-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14505 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17696872 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/696872
NONWOVEN FABRIC, NONWOVEN FABRIC MANUFACTURING METHOD, AND FILTER Mar 16, 2022 Abandoned
Array ( [id] => 18093692 [patent_doc_number] => 20220412033 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => TOOTHED CONVEYOR BELT TYPE OIL RECOVERY DEVICE [patent_app_type] => utility [patent_app_number] => 17/694677 [patent_app_country] => US [patent_app_date] => 2022-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6582 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17694677 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/694677
Toothed conveyor belt type oil recovery device Mar 14, 2022 Issued
Array ( [id] => 18628025 [patent_doc_number] => 20230286845 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => Fully renewably -powered desalination /water purification station [patent_app_type] => utility [patent_app_number] => 17/689905 [patent_app_country] => US [patent_app_date] => 2022-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7758 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 896 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17689905 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/689905
Fully renewably -powered desalination /water purification station Mar 7, 2022 Abandoned
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