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] => 8199620 [patent_doc_number] => 08187476 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-05-29 [patent_title] => 'Devices and methods for the purification, isolation, desalting or buffer/solvent exchange of substances' [patent_app_type] => utility [patent_app_number] => 13/274185 [patent_app_country] => US [patent_app_date] => 2011-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 10359 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/187/08187476.pdf [firstpage_image] =>[orig_patent_app_number] => 13274185 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/274185
Devices and methods for the purification, isolation, desalting or buffer/solvent exchange of substances Oct 13, 2011 Issued
Array ( [id] => 7762076 [patent_doc_number] => 20120031858 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-09 [patent_title] => 'ALGAE HARVESTING DEVICES AND METHODS' [patent_app_type] => utility [patent_app_number] => 13/273036 [patent_app_country] => US [patent_app_date] => 2011-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2447 [patent_no_of_claims] => 10 [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] => publications/A1/0031/20120031858.pdf [firstpage_image] =>[orig_patent_app_number] => 13273036 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/273036
ALGAE HARVESTING DEVICES AND METHODS Oct 12, 2011 Abandoned
Array ( [id] => 8089527 [patent_doc_number] => 20120080375 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-04-05 [patent_title] => 'METHOD AND DEVICE FOR MANUFACTURING FILTERED LIQUIDS' [patent_app_type] => utility [patent_app_number] => 13/249602 [patent_app_country] => US [patent_app_date] => 2011-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4916 [patent_no_of_claims] => 26 [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] => publications/A1/0080/20120080375.pdf [firstpage_image] =>[orig_patent_app_number] => 13249602 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/249602
METHOD AND DEVICE FOR MANUFACTURING FILTERED LIQUIDS Sep 29, 2011 Abandoned
Array ( [id] => 9091939 [patent_doc_number] => 20130271250 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-17 [patent_title] => 'Self-Assembled Magnetic Arrays' [patent_app_type] => utility [patent_app_number] => 13/825762 [patent_app_country] => US [patent_app_date] => 2011-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 11364 [patent_no_of_claims] => 16 [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] => 13825762 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/825762
Self-assembled magnetic arrays Sep 26, 2011 Issued
Array ( [id] => 8729749 [patent_doc_number] => 20130075318 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-28 [patent_title] => 'Apparatus for Isolating Rare Cells from Blood Samples' [patent_app_type] => utility [patent_app_number] => 13/241553 [patent_app_country] => US [patent_app_date] => 2011-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2503 [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] => 13241553 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/241553
Apparatus for Isolating Rare Cells from Blood Samples Sep 22, 2011 Abandoned
Array ( [id] => 7733116 [patent_doc_number] => 20120015796 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-19 [patent_title] => 'Apparatus and Method for Separating and Concentrating Fluids Containing Multiple Components' [patent_app_type] => utility [patent_app_number] => 13/239962 [patent_app_country] => US [patent_app_date] => 2011-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 17211 [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] => publications/A1/0015/20120015796.pdf [firstpage_image] =>[orig_patent_app_number] => 13239962 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/239962
Apparatus and method for separating and concentrating fluids containing multiple components Sep 21, 2011 Issued
Array ( [id] => 7814697 [patent_doc_number] => 20120061317 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-15 [patent_title] => 'Magnetic Pollen Grains as Sorbents for Organic Pollutants in Aqueous Media' [patent_app_type] => utility [patent_app_number] => 13/227063 [patent_app_country] => US [patent_app_date] => 2011-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4302 [patent_no_of_claims] => 21 [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] => publications/A1/0061/20120061317.pdf [firstpage_image] =>[orig_patent_app_number] => 13227063 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/227063
Magnetic Pollen Grains as Sorbents for Organic Pollutants in Aqueous Media Sep 6, 2011 Abandoned
Array ( [id] => 8966936 [patent_doc_number] => 08505744 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-13 [patent_title] => 'Method of making nanoporous oxide ceramic membranes of tubular and hollow fiber shape' [patent_app_type] => utility [patent_app_number] => 13/226634 [patent_app_country] => US [patent_app_date] => 2011-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 5901 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13226634 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/226634
Method of making nanoporous oxide ceramic membranes of tubular and hollow fiber shape Sep 6, 2011 Issued
Array ( [id] => 9975928 [patent_doc_number] => 09022230 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-05-05 [patent_title] => 'Oil separation means and refrigeration device equipped with the same' [patent_app_type] => utility [patent_app_number] => 13/639404 [patent_app_country] => US [patent_app_date] => 2011-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 4705 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13639404 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/639404
Oil separation means and refrigeration device equipped with the same Aug 31, 2011 Issued
Array ( [id] => 8236906 [patent_doc_number] => 20120145641 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-14 [patent_title] => 'Method and Apparatus for removing senescent cells' [patent_app_type] => utility [patent_app_number] => 13/217244 [patent_app_country] => US [patent_app_date] => 2011-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3708 [patent_no_of_claims] => 18 [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] => 13217244 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/217244
Method and Apparatus for removing senescent cells Aug 24, 2011 Abandoned
Array ( [id] => 8679797 [patent_doc_number] => 20130048081 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-28 [patent_title] => 'COMPOSITE INFLOW CONTROL DEVICE' [patent_app_type] => utility [patent_app_number] => 13/214790 [patent_app_country] => US [patent_app_date] => 2011-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2870 [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] => 13214790 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/214790
COMPOSITE INFLOW CONTROL DEVICE Aug 21, 2011 Abandoned
Array ( [id] => 9761576 [patent_doc_number] => 08845894 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-30 [patent_title] => 'Flocculation-magnetic separation system' [patent_app_type] => utility [patent_app_number] => 13/213120 [patent_app_country] => US [patent_app_date] => 2011-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4022 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [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] => 13213120 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/213120
Flocculation-magnetic separation system Aug 18, 2011 Issued
Array ( [id] => 8668650 [patent_doc_number] => 20130043188 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-21 [patent_title] => 'CONTROL OF IMMERSED MEMBRANE SYSTEM CONSIDERING ENERGY COST FLUCTUATIONS' [patent_app_type] => utility [patent_app_number] => 13/212310 [patent_app_country] => US [patent_app_date] => 2011-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5740 [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] => 13212310 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/212310
CONTROL OF IMMERSED MEMBRANE SYSTEM CONSIDERING ENERGY COST FLUCTUATIONS Aug 17, 2011 Abandoned
Array ( [id] => 7787234 [patent_doc_number] => 20120048790 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-01 [patent_title] => 'REVERSE OSMOSIS DEVICE' [patent_app_type] => utility [patent_app_number] => 13/206624 [patent_app_country] => US [patent_app_date] => 2011-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3866 [patent_no_of_claims] => 10 [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] => publications/A1/0048/20120048790.pdf [firstpage_image] =>[orig_patent_app_number] => 13206624 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/206624
Reverse osmosis device Aug 9, 2011 Issued
Array ( [id] => 8405945 [patent_doc_number] => 20120238003 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-20 [patent_title] => 'MICROORGANISM CONCENTRATING APPARATUS AND METHOD' [patent_app_type] => utility [patent_app_number] => 13/197361 [patent_app_country] => US [patent_app_date] => 2011-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5188 [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] => 13197361 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/197361
MICROORGANISM CONCENTRATING APPARATUS AND METHOD Aug 2, 2011 Abandoned
Array ( [id] => 7749576 [patent_doc_number] => 20120024765 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-02 [patent_title] => 'FILTERING CORE FOR FLUID' [patent_app_type] => utility [patent_app_number] => 13/189550 [patent_app_country] => US [patent_app_date] => 2011-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 2201 [patent_no_of_claims] => 14 [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] => publications/A1/0024/20120024765.pdf [firstpage_image] =>[orig_patent_app_number] => 13189550 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/189550
FILTERING CORE FOR FLUID Jul 23, 2011 Abandoned
Array ( [id] => 9244692 [patent_doc_number] => 08608970 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-12-17 [patent_title] => 'System and method for conditioning a hardwood pulp liquid hydrolysate' [patent_app_type] => utility [patent_app_number] => 13/187818 [patent_app_country] => US [patent_app_date] => 2011-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4061 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13187818 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/187818
System and method for conditioning a hardwood pulp liquid hydrolysate Jul 20, 2011 Issued
Array ( [id] => 7705889 [patent_doc_number] => 20120000851 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-05 [patent_title] => 'WATER TREATMENT SYSTEMS AND METHODS' [patent_app_type] => utility [patent_app_number] => 13/180310 [patent_app_country] => US [patent_app_date] => 2011-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 51 [patent_figures_cnt] => 51 [patent_no_of_words] => 31820 [patent_no_of_claims] => 22 [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] => 13180310 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/180310
WATER TREATMENT SYSTEMS AND METHODS Jul 10, 2011 Abandoned
Array ( [id] => 8486467 [patent_doc_number] => 20120285874 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-11-15 [patent_title] => 'IMMERSION TYPE MEMBRANE MODULE UNIT AND MEMBRANE SEPARATION ACTIVATED SLUDGE PROCESS EQUIPMENT' [patent_app_type] => utility [patent_app_number] => 13/574352 [patent_app_country] => US [patent_app_date] => 2011-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 6244 [patent_no_of_claims] => 10 [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] => 13574352 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/574352
IMMERSION TYPE MEMBRANE MODULE UNIT AND MEMBRANE SEPARATION ACTIVATED SLUDGE PROCESS EQUIPMENT Jun 28, 2011 Abandoned
Array ( [id] => 8880300 [patent_doc_number] => 20130153484 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-20 [patent_title] => 'FLUID SEPARATORS EMPLOYING A FLUIDIC BEARING' [patent_app_type] => utility [patent_app_number] => 13/805751 [patent_app_country] => US [patent_app_date] => 2011-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3115 [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] => 13805751 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/805751
FLUID SEPARATORS EMPLOYING A FLUIDIC BEARING Jun 26, 2011 Abandoned
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