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] => 15466723 [patent_doc_number] => 10549219 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-04 [patent_title] => Apparatus, system and/or method for modular filter screens [patent_app_type] => utility [patent_app_number] => 14/892964 [patent_app_country] => US [patent_app_date] => 2014-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 2869 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14892964 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/892964
Apparatus, system and/or method for modular filter screens Jul 22, 2014 Issued
Array ( [id] => 11930245 [patent_doc_number] => 09797233 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-10-24 [patent_title] => 'Method and a device for separating a multiphasic liquid' [patent_app_type] => utility [patent_app_number] => 14/332611 [patent_app_country] => US [patent_app_date] => 2014-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 20 [patent_no_of_words] => 8612 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 422 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14332611 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/332611
Method and a device for separating a multiphasic liquid Jul 15, 2014 Issued
Array ( [id] => 10923662 [patent_doc_number] => 20140326682 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-11-06 [patent_title] => 'METHOD AND ASSEMBLY FOR WATER FILTRATION USING A TUBE MANIFOLD TO MINIMIZE BACKWASH' [patent_app_type] => utility [patent_app_number] => 14/332272 [patent_app_country] => US [patent_app_date] => 2014-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3450 [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] => 14332272 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/332272
Method and assembly for water filtration using a tube manifold to minimize backwash Jul 14, 2014 Issued
Array ( [id] => 9782722 [patent_doc_number] => 20140299540 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-10-09 [patent_title] => 'CENTRIFUGAL-FORCE SEPARATOR AND FILTER ARRANGEMENT HAVING A CENTRIFUGAL-FORCE SEPARATOR OF SAID TYPE' [patent_app_type] => utility [patent_app_number] => 14/312380 [patent_app_country] => US [patent_app_date] => 2014-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8662 [patent_no_of_claims] => 24 [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] => 14312380 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/312380
Centrifugal-force separator and filter arrangement having a centrifugal-force separator of said type Jun 22, 2014 Issued
Array ( [id] => 9861384 [patent_doc_number] => 20150041401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-02-12 [patent_title] => 'Method and Apparatus for Removing Metallic Matter from an Oil Well Circulating Completion Fluid Stream' [patent_app_type] => utility [patent_app_number] => 14/305590 [patent_app_country] => US [patent_app_date] => 2014-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 4298 [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] => 14305590 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/305590
Method and apparatus for removing metallic matter from an oil well circulating completion fluid stream Jun 15, 2014 Issued
Array ( [id] => 10458318 [patent_doc_number] => 20150343333 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-03 [patent_title] => 'ENHANCED VORTEX FLUID TREATMENT APPARATUS, SYSTEM, AND METHOD FOR REMOVING SOLIDS FROM SOLIDS-CONTAINING LIQUIDS' [patent_app_type] => utility [patent_app_number] => 14/304581 [patent_app_country] => US [patent_app_date] => 2014-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 10158 [patent_no_of_claims] => 23 [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] => 14304581 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/304581
ENHANCED VORTEX FLUID TREATMENT APPARATUS, SYSTEM, AND METHOD FOR REMOVING SOLIDS FROM SOLIDS-CONTAINING LIQUIDS Jun 12, 2014 Abandoned
Array ( [id] => 13968751 [patent_doc_number] => 10213710 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-02-26 [patent_title] => Filter assembly [patent_app_type] => utility [patent_app_number] => 14/897240 [patent_app_country] => US [patent_app_date] => 2014-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1497 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14897240 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/897240
Filter assembly Jun 9, 2014 Issued
Array ( [id] => 10192801 [patent_doc_number] => 09221697 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-12-29 [patent_title] => 'Treatment of gas well hydrofracture wastewaters' [patent_app_type] => utility [patent_app_number] => 14/294953 [patent_app_country] => US [patent_app_date] => 2014-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 6487 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 15 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14294953 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/294953
Treatment of gas well hydrofracture wastewaters Jun 2, 2014 Issued
Array ( [id] => 10737123 [patent_doc_number] => 20160083273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-24 [patent_title] => 'METHOD OF OPERATING A PRESSURE-RETARDED OSMOSIS PLANT' [patent_app_type] => utility [patent_app_number] => 14/888920 [patent_app_country] => US [patent_app_date] => 2014-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4743 [patent_no_of_claims] => 16 [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] => 14888920 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/888920
Method of operating a pressure-retarded osmosis plant Jun 1, 2014 Issued
Array ( [id] => 10946357 [patent_doc_number] => 20140349378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-11-27 [patent_title] => 'Biomass Fertilization Vessels' [patent_app_type] => utility [patent_app_number] => 14/294001 [patent_app_country] => US [patent_app_date] => 2014-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 27 [patent_no_of_words] => 18346 [patent_no_of_claims] => 29 [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] => 14294001 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/294001
Biomass Fertilization Vessels Jun 1, 2014 Abandoned
Array ( [id] => 10775089 [patent_doc_number] => 20160121245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-05 [patent_title] => 'FILTER ELEMENT AND METHOD FOR MANUFACTURING THE FILTER ELEMENT' [patent_app_type] => utility [patent_app_number] => 14/894230 [patent_app_country] => US [patent_app_date] => 2014-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5198 [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] => 14894230 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/894230
FILTER ELEMENT AND METHOD FOR MANUFACTURING THE FILTER ELEMENT May 29, 2014 Abandoned
Array ( [id] => 10760970 [patent_doc_number] => 20160107123 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-04-21 [patent_title] => 'PROCESS OF EXTRACTION OF PHYTOCHEMICALS FROM VEGETATION LIQUORS OF OIL-BEARING FRUITS' [patent_app_type] => utility [patent_app_number] => 14/894978 [patent_app_country] => US [patent_app_date] => 2014-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4052 [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] => 14894978 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/894978
PROCESS OF EXTRACTION OF PHYTOCHEMICALS FROM VEGETATION LIQUORS OF OIL-BEARING FRUITS May 26, 2014 Abandoned
Array ( [id] => 10443632 [patent_doc_number] => 20150328644 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-11-19 [patent_title] => 'PARTICLE SEPARATION SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/279952 [patent_app_country] => US [patent_app_date] => 2014-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2205 [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] => 14279952 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/279952
Particle separation system May 15, 2014 Issued
Array ( [id] => 10443555 [patent_doc_number] => 20150328567 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-11-19 [patent_title] => 'CENTRIFUGAL SEPARATOR' [patent_app_type] => utility [patent_app_number] => 14/278612 [patent_app_country] => US [patent_app_date] => 2014-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2194 [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] => 14278612 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/278612
Centrifugal separator May 14, 2014 Issued
Array ( [id] => 11001774 [patent_doc_number] => 20160198721 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-14 [patent_title] => 'METHOD FOR PRODUCING STABILIZED HYPOBROMOUS ACID COMPOSITION, STABILIZED HYPOBROMOUS ACID COMPOSITION, AND SLIME INHIBITION METHOD FOR SEPARATION MEMBRANE' [patent_app_type] => utility [patent_app_number] => 14/912763 [patent_app_country] => US [patent_app_date] => 2014-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11658 [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] => 14912763 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/912763
Method for producing stabilized hypobromous acid composition, stabilized hypobromous acid composition, and slime inhibition method for separation membrane May 11, 2014 Issued
Array ( [id] => 9682167 [patent_doc_number] => 20140238930 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-28 [patent_title] => 'Density Phase Separation Device' [patent_app_type] => utility [patent_app_number] => 14/268384 [patent_app_country] => US [patent_app_date] => 2014-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 9956 [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] => 14268384 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/268384
Density phase separation device May 1, 2014 Issued
Array ( [id] => 11721455 [patent_doc_number] => 09694303 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-07-04 [patent_title] => 'Method for killing and removing microorganisms and scale using separation unit equipped with rotating magnets' [patent_app_type] => utility [patent_app_number] => 14/262173 [patent_app_country] => US [patent_app_date] => 2014-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 5841 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14262173 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/262173
Method for killing and removing microorganisms and scale using separation unit equipped with rotating magnets Apr 24, 2014 Issued
Array ( [id] => 11402048 [patent_doc_number] => 20170022585 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-01-26 [patent_title] => 'Method for recovering an acid or base' [patent_app_type] => utility [patent_app_number] => 15/108231 [patent_app_country] => US [patent_app_date] => 2014-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 9217 [patent_no_of_claims] => 41 [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] => 15108231 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/108231
Uranium extraction plant, uranium recovery, and acid or base recovery Apr 21, 2014 Issued
Array ( [id] => 9634805 [patent_doc_number] => 20140212914 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-31 [patent_title] => 'Method for Purifying Certain Cell Populations in Blood or Bone marrow by Depleting Others' [patent_app_type] => utility [patent_app_number] => 14/256946 [patent_app_country] => US [patent_app_date] => 2014-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 37 [patent_no_of_words] => 11988 [patent_no_of_claims] => 58 [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] => 14256946 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/256946
Method for purifying certain cell populations in blood or bone marrow by depleting others Apr 18, 2014 Issued
Array ( [id] => 11421571 [patent_doc_number] => 20170029715 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-02 [patent_title] => 'TREATING HYDROGEN AND HYDROCARBON INCLUSIVE LIQUID & GAS SUBSTANCES MORE EFFICIENTLY DUE TO THE MAXIMIZED SUFFICIENT MAGNETICAL IMPACTS PROVIDED BY AN IMPROVED NEW GENERATION DEVICE' [patent_app_type] => utility [patent_app_number] => 15/303023 [patent_app_country] => US [patent_app_date] => 2014-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 10591 [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] => 15303023 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/303023
TREATING HYDROGEN AND HYDROCARBON INCLUSIVE LIQUID & GAS SUBSTANCES MORE EFFICIENTLY DUE TO THE MAXIMIZED SUFFICIENT MAGNETICAL IMPACTS PROVIDED BY AN IMPROVED NEW GENERATION DEVICE Apr 10, 2014 Abandoned
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