Search

Frederick F. Krass

Supervisory Patent Examiner (ID: 1957, Phone: (571)272-0580 , Office: P/1612 )

Most Active Art Unit
1614
Art Unit(s)
1614, 1503, 1612, 2899, 1501
Total Applications
2178
Issued Applications
1357
Pending Applications
298
Abandoned Applications
523

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17711702 [patent_doc_number] => 11375676 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-05 [patent_title] => Method and system for treating irrigation water [patent_app_type] => utility [patent_app_number] => 17/018651 [patent_app_country] => US [patent_app_date] => 2020-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 21 [patent_no_of_words] => 11463 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17018651 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/018651
Method and system for treating irrigation water Sep 10, 2020 Issued
Array ( [id] => 16421751 [patent_doc_number] => 20200346949 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-05 [patent_title] => ELECTROMAGNETIC PULSED-WAVE SYSTEM [patent_app_type] => utility [patent_app_number] => 16/934734 [patent_app_country] => US [patent_app_date] => 2020-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5455 [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] => 16934734 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/934734
Electromagnetic pulsed-wave system Jul 20, 2020 Issued
Array ( [id] => 18101461 [patent_doc_number] => 11541332 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-03 [patent_title] => Apparatus for separating particles from a particulate suspension [patent_app_type] => utility [patent_app_number] => 16/921131 [patent_app_country] => US [patent_app_date] => 2020-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3504 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16921131 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/921131
Apparatus for separating particles from a particulate suspension Jul 5, 2020 Issued
Array ( [id] => 18084660 [patent_doc_number] => 11534771 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-27 [patent_title] => Method and apparatus for measuring and inactivating pathogens using magnetizable devices in a body [patent_app_type] => utility [patent_app_number] => 16/900414 [patent_app_country] => US [patent_app_date] => 2020-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4831 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16900414 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/900414
Method and apparatus for measuring and inactivating pathogens using magnetizable devices in a body Jun 11, 2020 Issued
Array ( [id] => 16548853 [patent_doc_number] => 10881993 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-05 [patent_title] => Filter leak path prevention via interference pin [patent_app_type] => utility [patent_app_number] => 16/890258 [patent_app_country] => US [patent_app_date] => 2020-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 2520 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16890258 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/890258
Filter leak path prevention via interference pin Jun 1, 2020 Issued
Array ( [id] => 16296607 [patent_doc_number] => 20200282330 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => Carbon Block/Filtration Bed/Conical Reactor with Fluidized Bed System Allowing Small Sorbent Particles to Regenerate Fluid During Extracorporeal Blood Treatment [patent_app_type] => utility [patent_app_number] => 16/882690 [patent_app_country] => US [patent_app_date] => 2020-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17702 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16882690 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/882690
Carbon block/filtration bed/conical reactor with fluidized bed system allowing small sorbent particles to regenerate fluid during extracorporeal blood treatment May 24, 2020 Issued
Array ( [id] => 17169329 [patent_doc_number] => 20210322999 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => SELF-CLEANING MAGNETIC FILTER [patent_app_type] => utility [patent_app_number] => 16/848897 [patent_app_country] => US [patent_app_date] => 2020-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2306 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16848897 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/848897
Self-cleaning magnetic filter Apr 14, 2020 Issued
Array ( [id] => 17823413 [patent_doc_number] => 11428357 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-30 [patent_title] => Field replaceable fluid element methods and systems for fluidic processors [patent_app_type] => utility [patent_app_number] => 16/845172 [patent_app_country] => US [patent_app_date] => 2020-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 8686 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16845172 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/845172
Field replaceable fluid element methods and systems for fluidic processors Apr 9, 2020 Issued
Array ( [id] => 17649556 [patent_doc_number] => 11352269 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-07 [patent_title] => Conversion of media filter into membrane gravity filter [patent_app_type] => utility [patent_app_number] => 16/827155 [patent_app_country] => US [patent_app_date] => 2020-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 8674 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16827155 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/827155
Conversion of media filter into membrane gravity filter Mar 22, 2020 Issued
Array ( [id] => 17821581 [patent_doc_number] => 11426505 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-30 [patent_title] => Apparatus and method for contacting blood with ozone [patent_app_type] => utility [patent_app_number] => 16/815997 [patent_app_country] => US [patent_app_date] => 2020-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4783 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16815997 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/815997
Apparatus and method for contacting blood with ozone Mar 10, 2020 Issued
Array ( [id] => 17603208 [patent_doc_number] => 11331677 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-17 [patent_title] => Magnet separator [patent_app_type] => utility [patent_app_number] => 16/787878 [patent_app_country] => US [patent_app_date] => 2020-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 5730 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [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] => 16787878 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/787878
Magnet separator Feb 10, 2020 Issued
Array ( [id] => 16296684 [patent_doc_number] => 20200282407 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => DEVICE FOR PARTICLE MANIPULATION [patent_app_type] => utility [patent_app_number] => 16/782064 [patent_app_country] => US [patent_app_date] => 2020-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19720 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16782064 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/782064
DEVICE FOR PARTICLE MANIPULATION Feb 4, 2020 Abandoned
Array ( [id] => 17044793 [patent_doc_number] => 11097961 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-08-24 [patent_title] => Pharmaionizer system [patent_app_type] => utility [patent_app_number] => 16/780350 [patent_app_country] => US [patent_app_date] => 2020-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7470 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16780350 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/780350
Pharmaionizer system Feb 2, 2020 Issued
Array ( [id] => 16175864 [patent_doc_number] => 20200222832 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-16 [patent_title] => PIPELINE STRAINER WITH MAGNETIC INSERT AND BAFFLE [patent_app_type] => utility [patent_app_number] => 16/740980 [patent_app_country] => US [patent_app_date] => 2020-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4949 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16740980 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/740980
Pipeline strainer with magnetic insert and baffle Jan 12, 2020 Issued
Array ( [id] => 15895539 [patent_doc_number] => 20200147288 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-14 [patent_title] => APPARATUS FOR REMOVING CHEMOTHERAPY COMPOUNDS FROM BLOOD [patent_app_type] => utility [patent_app_number] => 16/740166 [patent_app_country] => US [patent_app_date] => 2020-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9051 [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] => 16740166 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/740166
Apparatus for removing chemotherapy compounds from blood Jan 9, 2020 Issued
Array ( [id] => 17769247 [patent_doc_number] => 11401172 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-02 [patent_title] => Intelligent fluid filtration management system [patent_app_type] => utility [patent_app_number] => 16/737437 [patent_app_country] => US [patent_app_date] => 2020-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 15811 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 16737437 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/737437
Intelligent fluid filtration management system Jan 7, 2020 Issued
Array ( [id] => 15863275 [patent_doc_number] => 20200139041 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-07 [patent_title] => MEDICAL DEVICE, IN PARTICULAR FOR THE SEPARATION OF A FLUID [patent_app_type] => utility [patent_app_number] => 16/716800 [patent_app_country] => US [patent_app_date] => 2019-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16160 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 330 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16716800 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/716800
Medical device, in particular for the separation of a fluid Dec 16, 2019 Issued
Array ( [id] => 16012293 [patent_doc_number] => 20200180989 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-11 [patent_title] => HIGH SALINITY WATER PURIFICATION PROCESSES AND SYSTEMS [patent_app_type] => utility [patent_app_number] => 16/706601 [patent_app_country] => US [patent_app_date] => 2019-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5157 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16706601 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/706601
High salinity water purification processes and systems Dec 5, 2019 Issued
Array ( [id] => 15679023 [patent_doc_number] => 20200094175 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-26 [patent_title] => FILTER CARTRIDGE [patent_app_type] => utility [patent_app_number] => 16/697353 [patent_app_country] => US [patent_app_date] => 2019-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5590 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16697353 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/697353
Filter cartridge Nov 26, 2019 Issued
Array ( [id] => 16853876 [patent_doc_number] => 20210154621 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => FILTER FOR REMOVING SILICA FROM ULTRA PURE WATER AND METHOD OF USE [patent_app_type] => utility [patent_app_number] => 16/692046 [patent_app_country] => US [patent_app_date] => 2019-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6486 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16692046 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/692046
Filter for removing silica from ultra pure water and method of use Nov 21, 2019 Issued
Menu