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] => 11113909 [patent_doc_number] => 20160310881 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-27 [patent_title] => 'FLUID FILTER APPARATUS' [patent_app_type] => utility [patent_app_number] => 14/695794 [patent_app_country] => US [patent_app_date] => 2015-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4521 [patent_no_of_claims] => 22 [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] => 14695794 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/695794
Fluid filter apparatus Apr 23, 2015 Issued
Array ( [id] => 10361297 [patent_doc_number] => 20150246302 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-09-03 [patent_title] => 'HIGH FLOW DISC FILTER' [patent_app_type] => utility [patent_app_number] => 14/689532 [patent_app_country] => US [patent_app_date] => 2015-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 7987 [patent_no_of_claims] => 49 [patent_no_of_ind_claims] => 8 [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] => 14689532 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/689532
HIGH FLOW DISC FILTER Apr 16, 2015 Abandoned
Array ( [id] => 10332212 [patent_doc_number] => 20150217216 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-06 [patent_title] => 'Internal Magnetic Filter for Hydraulic Systems' [patent_app_type] => utility [patent_app_number] => 14/688065 [patent_app_country] => US [patent_app_date] => 2015-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3783 [patent_no_of_claims] => 11 [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] => 14688065 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/688065
Internal magnetic filter for hydraulic systems Apr 15, 2015 Issued
Array ( [id] => 10713999 [patent_doc_number] => 20160060145 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-03 [patent_title] => 'CHELATING AGENT, AND SCALE INHIBITOR, DETERGENT AND WATER TREATMENT METHOD' [patent_app_type] => utility [patent_app_number] => 14/675997 [patent_app_country] => US [patent_app_date] => 2015-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7183 [patent_no_of_claims] => 7 [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] => 14675997 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/675997
CHELATING AGENT, AND SCALE INHIBITOR, DETERGENT AND WATER TREATMENT METHOD Mar 31, 2015 Abandoned
Array ( [id] => 11420204 [patent_doc_number] => 20170028348 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-02 [patent_title] => 'OSMOTIC SEPARATION SYSTEMS AND METHODS' [patent_app_type] => utility [patent_app_number] => 15/301031 [patent_app_country] => US [patent_app_date] => 2015-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 12596 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 8 [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] => 15301031 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/301031
Osmotic separation systems and methods Mar 30, 2015 Issued
Array ( [id] => 12211294 [patent_doc_number] => 09908086 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-03-06 [patent_title] => 'Ultrafiltration membranes and methods of making' [patent_app_type] => utility [patent_app_number] => 14/665854 [patent_app_country] => US [patent_app_date] => 2015-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 10794 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14665854 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/665854
Ultrafiltration membranes and methods of making Mar 22, 2015 Issued
Array ( [id] => 10297914 [patent_doc_number] => 20150182913 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-07-02 [patent_title] => 'ULTRAFILTRATION MEMBRANES AND METHODS OF MAKING' [patent_app_type] => utility [patent_app_number] => 14/645631 [patent_app_country] => US [patent_app_date] => 2015-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 10796 [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] => 14645631 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/645631
Ultrafiltration membranes and methods of making Mar 11, 2015 Issued
Array ( [id] => 10366101 [patent_doc_number] => 20150251106 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-09-10 [patent_title] => 'NANO SEEDING TOOLS TO GENERATE NANOMETER SIZE CRYSTALLIZATION SEEDS' [patent_app_type] => utility [patent_app_number] => 14/640805 [patent_app_country] => US [patent_app_date] => 2015-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 32 [patent_no_of_words] => 11487 [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] => 14640805 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/640805
Nano seeding tools to generate nanometer size crystallization seeds Mar 5, 2015 Issued
Array ( [id] => 13970181 [patent_doc_number] => 10214430 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-02-26 [patent_title] => Water treatment system and method [patent_app_type] => utility [patent_app_number] => 14/638550 [patent_app_country] => US [patent_app_date] => 2015-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 38 [patent_no_of_words] => 14344 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14638550 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/638550
Water treatment system and method Mar 3, 2015 Issued
Array ( [id] => 11514156 [patent_doc_number] => 20170081229 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-23 [patent_title] => 'A Salt Separator And A Method For Producing A Methane-Containing Gas Mixture From Biomass Using A Salt Separator' [patent_app_type] => utility [patent_app_number] => 15/126147 [patent_app_country] => US [patent_app_date] => 2015-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3157 [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] => 15126147 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/126147
Salt separator and a method for producing a methane-containing gas mixture from biomass using a salt separator Mar 1, 2015 Issued
Array ( [id] => 10266233 [patent_doc_number] => 20150151230 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-04 [patent_title] => 'BLADED DRUM FOR ROTARY SEPARATOR SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/617044 [patent_app_country] => US [patent_app_date] => 2015-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5661 [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] => 14617044 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/617044
Bladed drum for rotary separator system Feb 8, 2015 Issued
Array ( [id] => 12106929 [patent_doc_number] => 09863405 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-01-09 [patent_title] => 'Circulatory osmotic pressure electric power generation system and method, phase control method for working medium, and working medium for circulatory osmotic pressure electric power generation' [patent_app_type] => utility [patent_app_number] => 14/615757 [patent_app_country] => US [patent_app_date] => 2015-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 24 [patent_no_of_words] => 13041 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14615757 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/615757
Circulatory osmotic pressure electric power generation system and method, phase control method for working medium, and working medium for circulatory osmotic pressure electric power generation Feb 5, 2015 Issued
Array ( [id] => 12542487 [patent_doc_number] => 10010362 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-03 [patent_title] => Device for storing and mixing bone cement [patent_app_type] => utility [patent_app_number] => 14/611419 [patent_app_country] => US [patent_app_date] => 2015-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 10615 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [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] => 14611419 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/611419
Device for storing and mixing bone cement Feb 1, 2015 Issued
Array ( [id] => 14698181 [patent_doc_number] => 10376814 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-13 [patent_title] => Impact centrifugal separator and associated methods for fraction collection in supercritical fluid systems [patent_app_type] => utility [patent_app_number] => 15/542925 [patent_app_country] => US [patent_app_date] => 2015-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 6837 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15542925 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/542925
Impact centrifugal separator and associated methods for fraction collection in supercritical fluid systems Jan 29, 2015 Issued
Array ( [id] => 10700362 [patent_doc_number] => 20160046509 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-02-18 [patent_title] => 'SYSTEM AND METHOD TO PREVENT CHEMICAL FOULING ON REVERSE OSMOSIS MEMBRANE' [patent_app_type] => utility [patent_app_number] => 14/782890 [patent_app_country] => US [patent_app_date] => 2015-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 7038 [patent_no_of_claims] => 4 [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] => 14782890 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/782890
System and method to prevent chemical fouling on reverse osmosis membrane Jan 27, 2015 Issued
Array ( [id] => 11010065 [patent_doc_number] => 20160207018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-21 [patent_title] => 'METERING SYSTEM FOR SOLID PARTICULATE' [patent_app_type] => utility [patent_app_number] => 14/600657 [patent_app_country] => US [patent_app_date] => 2015-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 5762 [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] => 14600657 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/600657
Metering system for solid particulate Jan 19, 2015 Issued
Array ( [id] => 10366919 [patent_doc_number] => 20150251925 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-09-10 [patent_title] => 'SATURATOR AND WATER TREATING APPARATUS INCLUDING THE SAME' [patent_app_type] => utility [patent_app_number] => 14/593100 [patent_app_country] => US [patent_app_date] => 2015-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6709 [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] => 14593100 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/593100
SATURATOR AND WATER TREATING APPARATUS INCLUDING THE SAME Jan 8, 2015 Abandoned
Array ( [id] => 10997283 [patent_doc_number] => 20160194229 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-07 [patent_title] => 'POLY-MAGNETIC FILTER DEVICE FOR HOT WATER HEATERS AND GAS WATER HEATERS' [patent_app_type] => utility [patent_app_number] => 14/588720 [patent_app_country] => US [patent_app_date] => 2015-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5518 [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] => 14588720 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/588720
POLY-MAGNETIC FILTER DEVICE FOR HOT WATER HEATERS AND GAS WATER HEATERS Jan 1, 2015 Abandoned
Array ( [id] => 10988685 [patent_doc_number] => 20160185630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-30 [patent_title] => 'MULTIFUNCTIONAL METHOD FOR MEMBRANE PROTECTION AND BIOFOULING CONTROL' [patent_app_type] => utility [patent_app_number] => 14/586989 [patent_app_country] => US [patent_app_date] => 2014-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7604 [patent_no_of_claims] => 17 [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] => 14586989 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/586989
Multifunctional method for membrane protection and biofouling control Dec 30, 2014 Issued
Array ( [id] => 12198881 [patent_doc_number] => 09901931 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-02-27 [patent_title] => 'Magnetic filter' [patent_app_type] => utility [patent_app_number] => 14/583464 [patent_app_country] => US [patent_app_date] => 2014-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 4229 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14583464 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/583464
Magnetic filter Dec 25, 2014 Issued
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