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] => 10405360 [patent_doc_number] => 20150290369 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-10-15 [patent_title] => 'Inertial Cell Washing Device' [patent_app_type] => utility [patent_app_number] => 14/249763 [patent_app_country] => US [patent_app_date] => 2014-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7079 [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] => 14249763 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/249763
Inertial Cell Washing Device Apr 9, 2014 Abandoned
Array ( [id] => 14420351 [patent_doc_number] => 10314962 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-06-11 [patent_title] => Re-use of a hemodialysis cartridge [patent_app_type] => utility [patent_app_number] => 14/779175 [patent_app_country] => US [patent_app_date] => 2014-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 5832 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14779175 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/779175
Re-use of a hemodialysis cartridge Mar 26, 2014 Issued
Array ( [id] => 11697866 [patent_doc_number] => 09687763 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-06-27 [patent_title] => 'Magnetic filter medium and method for its production' [patent_app_type] => utility [patent_app_number] => 14/224089 [patent_app_country] => US [patent_app_date] => 2014-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3284 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14224089 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/224089
Magnetic filter medium and method for its production Mar 24, 2014 Issued
Array ( [id] => 10705790 [patent_doc_number] => 20160051937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-02-25 [patent_title] => 'METHOD FOR CLEANING HOLLOW FIBER MEMBRANE MODULE' [patent_app_type] => utility [patent_app_number] => 14/779793 [patent_app_country] => US [patent_app_date] => 2014-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 9251 [patent_no_of_claims] => 3 [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] => 14779793 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/779793
Method for cleaning hollow fiber membrane module Mar 23, 2014 Issued
Array ( [id] => 12406044 [patent_doc_number] => 09968944 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-15 [patent_title] => Parts separator [patent_app_type] => utility [patent_app_number] => 14/215971 [patent_app_country] => US [patent_app_date] => 2014-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3144 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14215971 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/215971
Parts separator Mar 16, 2014 Issued
Array ( [id] => 9950382 [patent_doc_number] => 08999162 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-07 [patent_title] => 'Water treatment systems and methods' [patent_app_type] => utility [patent_app_number] => 14/213230 [patent_app_country] => US [patent_app_date] => 2014-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 46 [patent_figures_cnt] => 87 [patent_no_of_words] => 29176 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [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] => 14213230 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/213230
Water treatment systems and methods Mar 13, 2014 Issued
Array ( [id] => 10655930 [patent_doc_number] => 20160002074 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-07 [patent_title] => 'ADVANCEMENTS IN OSMOTICALLY DRIVEN MEMBRANE SYSTEMS INCLUDING MULTI-STAGE PURIFICATION' [patent_app_type] => utility [patent_app_number] => 14/777418 [patent_app_country] => US [patent_app_date] => 2014-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4797 [patent_no_of_claims] => 30 [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] => 14777418 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/777418
Advancements in osmotically driven membrane systems including multi-stage purification Mar 13, 2014 Issued
Array ( [id] => 14697805 [patent_doc_number] => 10376626 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-13 [patent_title] => Dialyzer holder and improved airless bloodline priming method [patent_app_type] => utility [patent_app_number] => 14/774414 [patent_app_country] => US [patent_app_date] => 2014-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 3864 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14774414 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/774414
Dialyzer holder and improved airless bloodline priming method Mar 12, 2014 Issued
Array ( [id] => 9716212 [patent_doc_number] => 20140251910 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-11 [patent_title] => 'Atmospheric Water Harvester' [patent_app_type] => utility [patent_app_number] => 14/200244 [patent_app_country] => US [patent_app_date] => 2014-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8174 [patent_no_of_claims] => 38 [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] => 14200244 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/200244
Atmospheric water harvester Mar 6, 2014 Issued
Array ( [id] => 10685585 [patent_doc_number] => 20160031731 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-02-04 [patent_title] => 'METHOD AND APPARATUS FOR CONDITIONING FLUIDS' [patent_app_type] => utility [patent_app_number] => 14/772331 [patent_app_country] => US [patent_app_date] => 2014-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 35706 [patent_no_of_claims] => 57 [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] => 14772331 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/772331
Method and apparatus for conditioning fluids Mar 3, 2014 Issued
Array ( [id] => 9698994 [patent_doc_number] => 20140248679 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-04 [patent_title] => 'Apparatus and Methods to Enhance Field Gradient For Magnetic Rare Cell Separation' [patent_app_type] => utility [patent_app_number] => 14/192875 [patent_app_country] => US [patent_app_date] => 2014-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 9093 [patent_no_of_claims] => 20 [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] => 14192875 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/192875
Apparatus and Methods to Enhance Field Gradient For Magnetic Rare Cell Separation Feb 27, 2014 Abandoned
Array ( [id] => 10354746 [patent_doc_number] => 20150239752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-27 [patent_title] => 'Reverse Osmosis System with Drain Water Recycle' [patent_app_type] => utility [patent_app_number] => 14/190134 [patent_app_country] => US [patent_app_date] => 2014-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5454 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 6 [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] => 14190134 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/190134
Reverse Osmosis System with Drain Water Recycle Feb 25, 2014 Abandoned
Array ( [id] => 9962944 [patent_doc_number] => 09010546 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-21 [patent_title] => 'Ultrafiltration membranes and methods of making' [patent_app_type] => utility [patent_app_number] => 14/189174 [patent_app_country] => US [patent_app_date] => 2014-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 10798 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14189174 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/189174
Ultrafiltration membranes and methods of making Feb 24, 2014 Issued
Array ( [id] => 9643517 [patent_doc_number] => 20140221629 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-07 [patent_title] => 'Ultrafiltration Membranes and Methods of Making' [patent_app_type] => utility [patent_app_number] => 14/189196 [patent_app_country] => US [patent_app_date] => 2014-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 10792 [patent_no_of_claims] => 9 [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] => 14189196 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/189196
Ultrafiltration membranes and methods of making Feb 24, 2014 Issued
Array ( [id] => 9653633 [patent_doc_number] => 20140224638 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-14 [patent_title] => 'METHOD AND APPARATUS FOR DESOLVATING FLOWING LIQUID' [patent_app_type] => utility [patent_app_number] => 14/186649 [patent_app_country] => US [patent_app_date] => 2014-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 17063 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [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] => 14186649 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/186649
Method and apparatus for desolvating flowing liquid Feb 20, 2014 Issued
Array ( [id] => 9541917 [patent_doc_number] => 20140166563 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-19 [patent_title] => 'FLUID FILTRATION SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/186882 [patent_app_country] => US [patent_app_date] => 2014-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 56 [patent_figures_cnt] => 56 [patent_no_of_words] => 18516 [patent_no_of_claims] => 15 [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] => 14186882 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/186882
FLUID FILTRATION SYSTEM Feb 20, 2014 Abandoned
Array ( [id] => 9727309 [patent_doc_number] => 20140263015 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-18 [patent_title] => 'APPARATUS AND METHOD FOR MAGNETICALLY TREATING FLUIDS' [patent_app_type] => utility [patent_app_number] => 14/180360 [patent_app_country] => US [patent_app_date] => 2014-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4171 [patent_no_of_claims] => 20 [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] => 14180360 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/180360
APPARATUS AND METHOD FOR MAGNETICALLY TREATING FLUIDS Feb 13, 2014 Abandoned
Array ( [id] => 9538650 [patent_doc_number] => 20140163296 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-12 [patent_title] => 'OIL FILTERS CONTAINING STRONG BASE AND METHODS OF THEIR USE' [patent_app_type] => utility [patent_app_number] => 14/180437 [patent_app_country] => US [patent_app_date] => 2014-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 15590 [patent_no_of_claims] => 3 [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] => 14180437 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/180437
OIL FILTERS CONTAINING STRONG BASE AND METHODS OF THEIR USE Feb 13, 2014 Abandoned
Array ( [id] => 13916371 [patent_doc_number] => 10202291 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-02-12 [patent_title] => Reverse osmosis membrane apparatus and method of operating same [patent_app_type] => utility [patent_app_number] => 14/769721 [patent_app_country] => US [patent_app_date] => 2014-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8995 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [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] => 14769721 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/769721
Reverse osmosis membrane apparatus and method of operating same Feb 9, 2014 Issued
Array ( [id] => 10655927 [patent_doc_number] => 20160002071 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-07 [patent_title] => 'METHOD OF OPERATING REVERSE OSMOSIS MEMBRANE APPARATUS' [patent_app_type] => utility [patent_app_number] => 14/768548 [patent_app_country] => US [patent_app_date] => 2014-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6018 [patent_no_of_claims] => 6 [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] => 14768548 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/768548
Method of operating reverse osmosis membrane apparatus Feb 9, 2014 Issued
Menu