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] => 9715447 [patent_doc_number] => 20140251145 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-11 [patent_title] => 'DEVICE FOR SEPARATING TWO IMMISCIBLE FLUIDS OF DIFFERENT DENSITIES BY CENTRIFUGATION' [patent_app_type] => utility [patent_app_number] => 14/350181 [patent_app_country] => US [patent_app_date] => 2013-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 9033 [patent_no_of_claims] => 27 [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] => 14350181 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/350181
Device for separating two immiscible fluids of different densities by centrifugation Jan 31, 2013 Issued
Array ( [id] => 10515220 [patent_doc_number] => 09242251 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-01-26 [patent_title] => 'Magnetic separator with dynamic baffle system' [patent_app_type] => utility [patent_app_number] => 13/754273 [patent_app_country] => US [patent_app_date] => 2013-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4645 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13754273 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/754273
Magnetic separator with dynamic baffle system Jan 29, 2013 Issued
Array ( [id] => 10663426 [patent_doc_number] => 20160009570 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-14 [patent_title] => 'LIQUID PURIFICATION APPARATUS AND METHOD' [patent_app_type] => utility [patent_app_number] => 14/761192 [patent_app_country] => US [patent_app_date] => 2013-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6501 [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] => 14761192 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/761192
Liquid purification apparatus and method Jan 21, 2013 Issued
Array ( [id] => 9557316 [patent_doc_number] => 20140175028 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-26 [patent_title] => 'FLUID TREATMENT SYSTEM, A FLUID PROCESSING APPARATUS AND A METHOD OF TREATING A MIXTURE' [patent_app_type] => utility [patent_app_number] => 13/724833 [patent_app_country] => US [patent_app_date] => 2012-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5949 [patent_no_of_claims] => 21 [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] => 13724833 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/724833
Fluid treatment system, a fluid processing apparatus and a method of treating a mixture Dec 20, 2012 Issued
Array ( [id] => 9761588 [patent_doc_number] => 08845906 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-30 [patent_title] => 'Process for single system electrocoagulation, magnetic, cavitation and flocculation (EMC/F) treatment of water and wastewater' [patent_app_type] => utility [patent_app_number] => 13/718393 [patent_app_country] => US [patent_app_date] => 2012-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9783 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 437 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13718393 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/718393
Process for single system electrocoagulation, magnetic, cavitation and flocculation (EMC/F) treatment of water and wastewater Dec 17, 2012 Issued
Array ( [id] => 8764594 [patent_doc_number] => 20130092630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-04-18 [patent_title] => 'Disposable Fluid Circuits And Methods For Cell Washing With On-Line Dilution Of Cell Feed' [patent_app_type] => utility [patent_app_number] => 13/708874 [patent_app_country] => US [patent_app_date] => 2012-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 28 [patent_no_of_words] => 9141 [patent_no_of_claims] => 16 [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] => 13708874 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/708874
Disposable fluid circuits and methods for cell washing with on-line dilution of cell feed Dec 6, 2012 Issued
Array ( [id] => 8850559 [patent_doc_number] => 20130140234 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-06 [patent_title] => 'ANTISOLVENT PROCESS FOR TREATING LIQUIDS THAT INCLUDE HIGH TOTAL DISSOLVED SOLIDS' [patent_app_type] => utility [patent_app_number] => 13/706943 [patent_app_country] => US [patent_app_date] => 2012-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4094 [patent_no_of_claims] => 18 [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] => 13706943 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/706943
Antisolvent process for treating liquids that include high total dissolved solids Dec 5, 2012 Issued
Array ( [id] => 11184637 [patent_doc_number] => 09416027 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-08-16 [patent_title] => 'Method for passive mixing' [patent_app_type] => utility [patent_app_number] => 13/706310 [patent_app_country] => US [patent_app_date] => 2012-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 5456 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13706310 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/706310
Method for passive mixing Dec 4, 2012 Issued
Array ( [id] => 12344439 [patent_doc_number] => 09950311 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-04-24 [patent_title] => Process for the synthesis of magnetically recoverable, high surface area carbon-Fe [patent_app_type] => utility [patent_app_number] => 14/360588 [patent_app_country] => US [patent_app_date] => 2012-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 4964 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [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] => 14360588 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/360588
Process for the synthesis of magnetically recoverable, high surface area carbon-Fe Nov 22, 2012 Issued
Array ( [id] => 8729779 [patent_doc_number] => 20130075348 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-28 [patent_title] => 'APPARATUS AND METHOD FOR SEPARATION OF PHASES IN A MULTIPHASE FLOW' [patent_app_type] => utility [patent_app_number] => 13/683071 [patent_app_country] => US [patent_app_date] => 2012-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5315 [patent_no_of_claims] => 5 [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] => 13683071 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/683071
Apparatus and method for separation of phases in a multiphase flow Nov 20, 2012 Issued
Array ( [id] => 10916056 [patent_doc_number] => 20140319075 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-10-30 [patent_title] => 'LIQUID TREATMENT DEVICE' [patent_app_type] => utility [patent_app_number] => 14/358260 [patent_app_country] => US [patent_app_date] => 2012-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8037 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 9 [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] => 14358260 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/358260
LIQUID TREATMENT DEVICE Nov 15, 2012 Abandoned
Array ( [id] => 8717477 [patent_doc_number] => 20130068694 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-21 [patent_title] => 'OIL FILTERS CONTAINING STRONG BASE AND METHODS OF THEIR USE' [patent_app_type] => utility [patent_app_number] => 13/677857 [patent_app_country] => US [patent_app_date] => 2012-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 15569 [patent_no_of_claims] => 9 [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] => 13677857 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/677857
Oil filters containing strong base and methods of their use Nov 14, 2012 Issued
Array ( [id] => 8704998 [patent_doc_number] => 20130062287 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-14 [patent_title] => 'APPARATUS AND METHOD FOR DE-WATERING OF SLURRIES' [patent_app_type] => utility [patent_app_number] => 13/673838 [patent_app_country] => US [patent_app_date] => 2012-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 10949 [patent_no_of_claims] => 9 [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] => 13673838 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/673838
Apparatus and method for de-watering of slurries Nov 8, 2012 Issued
Array ( [id] => 8693993 [patent_doc_number] => 20130056002 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-07 [patent_title] => 'CRUDE JUICE PURIFICATION WITH REDUCED LIME CONSUMPTION' [patent_app_type] => utility [patent_app_number] => 13/670858 [patent_app_country] => US [patent_app_date] => 2012-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8054 [patent_no_of_claims] => 19 [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] => 13670858 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/670858
CRUDE JUICE PURIFICATION WITH REDUCED LIME CONSUMPTION Nov 6, 2012 Abandoned
Array ( [id] => 8815613 [patent_doc_number] => 20130116658 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-09 [patent_title] => 'APPARATUS FOR REMOVING CHEMOTHERAPY COMPOUNDS FROM BLOOD' [patent_app_type] => utility [patent_app_number] => 13/671549 [patent_app_country] => US [patent_app_date] => 2012-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 9555 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 5 [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] => 13671549 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/671549
Apparatus for removing chemotherapy compounds from blood Nov 6, 2012 Issued
Array ( [id] => 9460024 [patent_doc_number] => 20140124449 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-08 [patent_title] => 'SYSTEM AND METHOD FOR CLEARING CHIPS FROM A MAGNETIC CHIP COLLECTOR' [patent_app_type] => utility [patent_app_number] => 13/668983 [patent_app_country] => US [patent_app_date] => 2012-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1928 [patent_no_of_claims] => 12 [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] => 13668983 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/668983
SYSTEM AND METHOD FOR CLEARING CHIPS FROM A MAGNETIC CHIP COLLECTOR Nov 4, 2012 Abandoned
Array ( [id] => 9005024 [patent_doc_number] => 20130226149 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-29 [patent_title] => 'APPARATUS AND METHOD FOR SEPARATING AND CONCENTRATING FLUIDS CONTAINING MULTIPLE COMPONENTS' [patent_app_type] => utility [patent_app_number] => 13/663637 [patent_app_country] => US [patent_app_date] => 2012-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 15367 [patent_no_of_claims] => 34 [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] => 13663637 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/663637
APPARATUS AND METHOD FOR SEPARATING AND CONCENTRATING FLUIDS CONTAINING MULTIPLE COMPONENTS Oct 29, 2012 Abandoned
Array ( [id] => 10964310 [patent_doc_number] => 20140367341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-18 [patent_title] => 'COAGULANT, COAGULATION METHOD, AND WATER TREATMENT APPARATUS' [patent_app_type] => utility [patent_app_number] => 14/369723 [patent_app_country] => US [patent_app_date] => 2012-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8639 [patent_no_of_claims] => 14 [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] => 14369723 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/369723
COAGULANT, COAGULATION METHOD, AND WATER TREATMENT APPARATUS Oct 28, 2012 Abandoned
Array ( [id] => 11236769 [patent_doc_number] => 09463400 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-10-11 [patent_title] => 'Fluid filter with magnetic particle attraction' [patent_app_type] => utility [patent_app_number] => 13/662654 [patent_app_country] => US [patent_app_date] => 2012-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 2910 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13662654 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/662654
Fluid filter with magnetic particle attraction Oct 28, 2012 Issued
Array ( [id] => 8817919 [patent_doc_number] => 20130118964 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-16 [patent_title] => 'FILTER ARRANGEMENT' [patent_app_type] => utility [patent_app_number] => 13/661513 [patent_app_country] => US [patent_app_date] => 2012-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3280 [patent_no_of_claims] => 16 [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] => 13661513 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/661513
Filter arrangement Oct 25, 2012 Issued
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