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] => 11588579 [patent_doc_number] => 20170112990 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-27 [patent_title] => 'BALANCING DEVICE, DIALYSIS MACHINE, EXTRACORPOREAL CIRCULATION AND METHOD FOR BALANCING FLUIDS WITH A FLUID MEASURING CELL' [patent_app_type] => utility [patent_app_number] => 15/398963 [patent_app_country] => US [patent_app_date] => 2017-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6597 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15398963 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/398963
BALANCING DEVICE, DIALYSIS MACHINE, EXTRACORPOREAL CIRCULATION AND METHOD FOR BALANCING FLUIDS WITH A FLUID MEASURING CELL Jan 4, 2017 Abandoned
Array ( [id] => 11823085 [patent_doc_number] => 20170212021 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-07-27 [patent_title] => 'Self-Assembled Magnetic Arrays' [patent_app_type] => utility [patent_app_number] => 15/393402 [patent_app_country] => US [patent_app_date] => 2016-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 11404 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15393402 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/393402
Self-assembled magnetic arrays Dec 28, 2016 Issued
Array ( [id] => 11715120 [patent_doc_number] => 20170183619 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-29 [patent_title] => 'Cell Separation Devices, Systems, and Methods' [patent_app_type] => utility [patent_app_number] => 15/393628 [patent_app_country] => US [patent_app_date] => 2016-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 24538 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15393628 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/393628
Cell separation devices, systems, and methods Dec 28, 2016 Issued
Array ( [id] => 11567676 [patent_doc_number] => 20170106319 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-20 [patent_title] => 'Bladed Drum for Rotary Separator System' [patent_app_type] => utility [patent_app_number] => 15/392456 [patent_app_country] => US [patent_app_date] => 2016-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5683 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15392456 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/392456
Bladed drum for rotary separator system Dec 27, 2016 Issued
Array ( [id] => 13775609 [patent_doc_number] => 20190001343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-03 [patent_title] => APPARATUS AND METHODS FOR PROCESSING MAGNETIC PARTICLES [patent_app_type] => utility [patent_app_number] => 16/067592 [patent_app_country] => US [patent_app_date] => 2016-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9654 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16067592 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/067592
APPARATUS AND METHODS FOR PROCESSING MAGNETIC PARTICLES Dec 27, 2016 Abandoned
Array ( [id] => 13793793 [patent_doc_number] => 20190010435 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-10 [patent_title] => Flexible Bioprocessing Container with Partial Dividing Partition [patent_app_type] => utility [patent_app_number] => 16/067495 [patent_app_country] => US [patent_app_date] => 2016-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14943 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16067495 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/067495
Flexible bioprocessing container with partial dividing partition Dec 20, 2016 Issued
Array ( [id] => 11542807 [patent_doc_number] => 20170096632 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-06 [patent_title] => 'INLET AND OUTLET GEOMETRIES FOR A VERTICAL THREE-STREAM MICROFLUIDIC DEVICE' [patent_app_type] => utility [patent_app_number] => 15/383374 [patent_app_country] => US [patent_app_date] => 2016-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 10527 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15383374 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/383374
Inlet and outlet geometries for a vertical three-stream microfluidic device Dec 18, 2016 Issued
Array ( [id] => 12812770 [patent_doc_number] => 20180162760 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-14 [patent_title] => METHODS AND SYSTEMS FOR SEPARATING SOLID PARTICULATES FROM WASTE WATER [patent_app_type] => utility [patent_app_number] => 15/379162 [patent_app_country] => US [patent_app_date] => 2016-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4531 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15379162 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/379162
Methods and systems for separating solid particulates from waste water Dec 13, 2016 Issued
Array ( [id] => 11536765 [patent_doc_number] => 09611162 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-04-04 [patent_title] => 'Wastewater treatment system and method' [patent_app_type] => utility [patent_app_number] => 15/368637 [patent_app_country] => US [patent_app_date] => 2016-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 8636 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15368637 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/368637
Wastewater treatment system and method Dec 3, 2016 Issued
Array ( [id] => 14944861 [patent_doc_number] => 10433674 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-08 [patent_title] => Continuously operating filtering apparatus [patent_app_type] => utility [patent_app_number] => 15/368100 [patent_app_country] => US [patent_app_date] => 2016-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 49 [patent_figures_cnt] => 68 [patent_no_of_words] => 28574 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15368100 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/368100
Continuously operating filtering apparatus Dec 1, 2016 Issued
Array ( [id] => 13565699 [patent_doc_number] => 20180334397 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-22 [patent_title] => ELECTROMAGNETIC FIELD GENERATOR SYSTEM [patent_app_type] => utility [patent_app_number] => 15/777197 [patent_app_country] => US [patent_app_date] => 2016-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4626 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 15777197 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/777197
ELECTROMAGNETIC FIELD GENERATOR SYSTEM Nov 17, 2016 Abandoned
Array ( [id] => 15783137 [patent_doc_number] => 10625272 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-21 [patent_title] => Magnetic separator [patent_app_type] => utility [patent_app_number] => 15/355638 [patent_app_country] => US [patent_app_date] => 2016-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 18 [patent_no_of_words] => 4829 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15355638 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/355638
Magnetic separator Nov 17, 2016 Issued
Array ( [id] => 11458201 [patent_doc_number] => 20170052107 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-23 [patent_title] => 'METHOD AND DEVICE FOR HIGH-THROUGHPUT SOLUTION EXCHANGE FOR CELL AND PARTICLE SUSPENSIONS' [patent_app_type] => utility [patent_app_number] => 15/346442 [patent_app_country] => US [patent_app_date] => 2016-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6202 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15346442 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/346442
Method and device for high-throughput solution exchange for cell and particle suspensions Nov 7, 2016 Issued
Array ( [id] => 13549557 [patent_doc_number] => 20180326326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-15 [patent_title] => Heavy Solids Separator [patent_app_type] => utility [patent_app_number] => 15/774993 [patent_app_country] => US [patent_app_date] => 2016-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5574 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15774993 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/774993
Heavy solids separator Nov 6, 2016 Issued
Array ( [id] => 13150883 [patent_doc_number] => 10092141 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-10-09 [patent_title] => Disposable fluid separator [patent_app_type] => utility [patent_app_number] => 15/343736 [patent_app_country] => US [patent_app_date] => 2016-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1489 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15343736 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/343736
Disposable fluid separator Nov 3, 2016 Issued
Array ( [id] => 16908880 [patent_doc_number] => 11040904 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-22 [patent_title] => Methods and systems for treating wastewater via forward osmosis [patent_app_type] => utility [patent_app_number] => 15/772266 [patent_app_country] => US [patent_app_date] => 2016-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6035 [patent_no_of_claims] => 53 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15772266 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/772266
Methods and systems for treating wastewater via forward osmosis Oct 31, 2016 Issued
Array ( [id] => 14664745 [patent_doc_number] => 10370261 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-06 [patent_title] => System and method for transportation and desalination of a liquid [patent_app_type] => utility [patent_app_number] => 15/339872 [patent_app_country] => US [patent_app_date] => 2016-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 4602 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15339872 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/339872
System and method for transportation and desalination of a liquid Oct 30, 2016 Issued
Array ( [id] => 12925387 [patent_doc_number] => 09827512 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-11-28 [patent_title] => Embedded influent diffuser for floating media filter [patent_app_type] => utility [patent_app_number] => 15/339219 [patent_app_country] => US [patent_app_date] => 2016-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 18 [patent_no_of_words] => 4928 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 15339219 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/339219
Embedded influent diffuser for floating media filter Oct 30, 2016 Issued
Array ( [id] => 16845715 [patent_doc_number] => 11017808 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-25 [patent_title] => Fractionation method for magnetic recording-magnetic powder, fractionation apparatus for magnetic recording-magnetic powder, and method of producing magnetic recording medium [patent_app_type] => utility [patent_app_number] => 15/765416 [patent_app_country] => US [patent_app_date] => 2016-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 7568 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15765416 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/765416
Fractionation method for magnetic recording-magnetic powder, fractionation apparatus for magnetic recording-magnetic powder, and method of producing magnetic recording medium Oct 26, 2016 Issued
Array ( [id] => 16249318 [patent_doc_number] => 10748692 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-18 [patent_title] => Magnet apparatus for generating high gradient magnetic field [patent_app_type] => utility [patent_app_number] => 15/769247 [patent_app_country] => US [patent_app_date] => 2016-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 45 [patent_no_of_words] => 14352 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15769247 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/769247
Magnet apparatus for generating high gradient magnetic field Oct 18, 2016 Issued
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