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] => 5352696 [patent_doc_number] => 20090184040 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-07-23 [patent_title] => 'Contaminated fluid recovery apparatus' [patent_app_type] => utility [patent_app_number] => 12/382642 [patent_app_country] => US [patent_app_date] => 2009-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5058 [patent_no_of_claims] => 4 [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/A1/0184/20090184040.pdf [firstpage_image] =>[orig_patent_app_number] => 12382642 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/382642
Contaminated fluid recovery apparatus Mar 19, 2009 Issued
Array ( [id] => 6104933 [patent_doc_number] => 20110186502 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-08-04 [patent_title] => 'COMBINATION TRAVELING WATER SCREEN APPARATUS' [patent_app_type] => utility [patent_app_number] => 12/600837 [patent_app_country] => US [patent_app_date] => 2009-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3096 [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] => publications/A1/0186/20110186502.pdf [firstpage_image] =>[orig_patent_app_number] => 12600837 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/600837
COMBINATION TRAVELING WATER SCREEN APPARATUS Mar 5, 2009 Abandoned
Array ( [id] => 8421630 [patent_doc_number] => 08278118 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-10-02 [patent_title] => 'Method for the fractionation and separation of particles by step-wise gradient density extraction' [patent_app_type] => utility [patent_app_number] => 12/380907 [patent_app_country] => US [patent_app_date] => 2009-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 20 [patent_no_of_words] => 13777 [patent_no_of_claims] => 51 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 415 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12380907 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/380907
Method for the fractionation and separation of particles by step-wise gradient density extraction Mar 4, 2009 Issued
Array ( [id] => 7496367 [patent_doc_number] => 20110259807 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-10-27 [patent_title] => 'FILTERING AND CONDENSING APPARATUS OF SUCTION TYPE' [patent_app_type] => utility [patent_app_number] => 12/442396 [patent_app_country] => US [patent_app_date] => 2009-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8470 [patent_no_of_claims] => 11 [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/A1/0259/20110259807.pdf [firstpage_image] =>[orig_patent_app_number] => 12442396 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/442396
FILTERING AND CONDENSING APPARATUS OF SUCTION TYPE Feb 18, 2009 Abandoned
Array ( [id] => 9183280 [patent_doc_number] => 08623211 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-01-07 [patent_title] => 'Filtering and condensing apparatus of suction type' [patent_app_type] => utility [patent_app_number] => 12/442393 [patent_app_country] => US [patent_app_date] => 2009-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9170 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 404 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12442393 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/442393
Filtering and condensing apparatus of suction type Feb 17, 2009 Issued
Array ( [id] => 5388708 [patent_doc_number] => 20090206020 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-08-20 [patent_title] => 'Device for Producing Magnetized Water' [patent_app_type] => utility [patent_app_number] => 12/371842 [patent_app_country] => US [patent_app_date] => 2009-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3464 [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] => publications/A1/0206/20090206020.pdf [firstpage_image] =>[orig_patent_app_number] => 12371842 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/371842
Device for Producing Magnetized Water Feb 15, 2009 Abandoned
Array ( [id] => 5388709 [patent_doc_number] => 20090206021 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-08-20 [patent_title] => 'Magnetic Filter Adapter' [patent_app_type] => utility [patent_app_number] => 12/371253 [patent_app_country] => US [patent_app_date] => 2009-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3843 [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] => publications/A1/0206/20090206021.pdf [firstpage_image] =>[orig_patent_app_number] => 12371253 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/371253
Magnetic Filter Adapter Feb 12, 2009 Abandoned
Array ( [id] => 5388732 [patent_doc_number] => 20090206044 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-08-20 [patent_title] => 'ANTI-VORTEX DOUBLE DRAIN SYSTEM' [patent_app_type] => utility [patent_app_number] => 12/370068 [patent_app_country] => US [patent_app_date] => 2009-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4443 [patent_no_of_claims] => 25 [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/A1/0206/20090206044.pdf [firstpage_image] =>[orig_patent_app_number] => 12370068 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/370068
ANTI-VORTEX DOUBLE DRAIN SYSTEM Feb 11, 2009 Abandoned
Array ( [id] => 4628787 [patent_doc_number] => 08007668 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-08-30 [patent_title] => 'Dialysis device with access port' [patent_app_type] => utility [patent_app_number] => 12/366049 [patent_app_country] => US [patent_app_date] => 2009-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 3919 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/007/08007668.pdf [firstpage_image] =>[orig_patent_app_number] => 12366049 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/366049
Dialysis device with access port Feb 4, 2009 Issued
Array ( [id] => 9243715 [patent_doc_number] => 08607991 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-12-17 [patent_title] => 'Materials and processes for reducing combustion by-products in a lubrication system for an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 12/364383 [patent_app_country] => US [patent_app_date] => 2009-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 27 [patent_no_of_words] => 23478 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12364383 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/364383
Materials and processes for reducing combustion by-products in a lubrication system for an internal combustion engine Feb 1, 2009 Issued
Array ( [id] => 6544447 [patent_doc_number] => 20100126938 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-27 [patent_title] => 'PROCESS AND APPARATUS FOR SEPARATING AND RECOVERING WASTE ALKALI FROM CYCLOHEXANE OXIDATION SOLUTION' [patent_app_type] => utility [patent_app_number] => 12/358004 [patent_app_country] => US [patent_app_date] => 2009-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6235 [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/A1/0126/20100126938.pdf [firstpage_image] =>[orig_patent_app_number] => 12358004 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/358004
Process and apparatus for separating and recovering waste alkali from cyclohexane oxidation solution Jan 21, 2009 Issued
Array ( [id] => 5377009 [patent_doc_number] => 20090188848 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-07-30 [patent_title] => 'APPARATUS FOR REMOVING IRON POWDER FROM ROLLING OIL' [patent_app_type] => utility [patent_app_number] => 12/356014 [patent_app_country] => US [patent_app_date] => 2009-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3598 [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] => publications/A1/0188/20090188848.pdf [firstpage_image] =>[orig_patent_app_number] => 12356014 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/356014
Apparatus for removing iron powder from rolling oil Jan 18, 2009 Issued
Array ( [id] => 8363117 [patent_doc_number] => 08252178 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-08-28 [patent_title] => 'Magnetic treatment of fluids' [patent_app_type] => utility [patent_app_number] => 12/352145 [patent_app_country] => US [patent_app_date] => 2009-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4489 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 362 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12352145 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/352145
Magnetic treatment of fluids Jan 11, 2009 Issued
Array ( [id] => 5947355 [patent_doc_number] => 20110031194 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-10 [patent_title] => 'SEPARATION SYSTEM AND METHOD FOR SEPARATING A FLUID MIXTURE WITH THIS SEPARATING SYSTEM' [patent_app_type] => utility [patent_app_number] => 12/863703 [patent_app_country] => US [patent_app_date] => 2009-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7114 [patent_no_of_claims] => 36 [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/A1/0031/20110031194.pdf [firstpage_image] =>[orig_patent_app_number] => 12863703 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/863703
SEPARATION SYSTEM AND METHOD FOR SEPARATING A FLUID MIXTURE WITH THIS SEPARATING SYSTEM Jan 4, 2009 Abandoned
Array ( [id] => 6566291 [patent_doc_number] => 20100320137 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-12-23 [patent_title] => 'HOLLOW FIBER MEMBRANE ELEMENT, FRAME FOR HOLLOW FIBER MEMBRANE ELEMENT, AND MEMBRANE FILTRATION APPARATUS' [patent_app_type] => utility [patent_app_number] => 12/865518 [patent_app_country] => US [patent_app_date] => 2008-12-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4999 [patent_no_of_claims] => 12 [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] => publications/A1/0320/20100320137.pdf [firstpage_image] =>[orig_patent_app_number] => 12865518 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/865518
Hollow fiber membrane element, frame for hollow fiber membrane element, and membrane filtration apparatus Dec 24, 2008 Issued
Array ( [id] => 6414249 [patent_doc_number] => 20100276369 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-11-04 [patent_title] => 'Desalination System' [patent_app_type] => utility [patent_app_number] => 12/812000 [patent_app_country] => US [patent_app_date] => 2008-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 13105 [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] => publications/A1/0276/20100276369.pdf [firstpage_image] =>[orig_patent_app_number] => 12812000 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/812000
Desalination System Dec 23, 2008 Abandoned
Array ( [id] => 9588652 [patent_doc_number] => 08778191 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-07-15 [patent_title] => 'Filtering device and a method of filtering a fluid' [patent_app_type] => utility [patent_app_number] => 13/141175 [patent_app_country] => US [patent_app_date] => 2008-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5146 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [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] => 13141175 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/141175
Filtering device and a method of filtering a fluid Dec 21, 2008 Issued
Array ( [id] => 6405732 [patent_doc_number] => 20100140182 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-10 [patent_title] => 'Apparatus and method for separating and isolating components of a biological fluid' [patent_app_type] => utility [patent_app_number] => 12/315722 [patent_app_country] => US [patent_app_date] => 2008-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 27 [patent_no_of_words] => 17772 [patent_no_of_claims] => 44 [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] => publications/A1/0140/20100140182.pdf [firstpage_image] =>[orig_patent_app_number] => 12315722 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/315722
Apparatus and method for separating and isolating components of a biological fluid Dec 3, 2008 Issued
Array ( [id] => 5962407 [patent_doc_number] => 20110147296 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-23 [patent_title] => 'Filter Press' [patent_app_type] => utility [patent_app_number] => 12/808278 [patent_app_country] => US [patent_app_date] => 2008-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2846 [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] => publications/A1/0147/20110147296.pdf [firstpage_image] =>[orig_patent_app_number] => 12808278 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/808278
Filter press Dec 1, 2008 Issued
Array ( [id] => 6528990 [patent_doc_number] => 20100270245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-10-28 [patent_title] => 'LIQUID SEPARATING DEVICE FOR THE SEPARATION OF A LIQUID MIXTURE' [patent_app_type] => utility [patent_app_number] => 12/743431 [patent_app_country] => US [patent_app_date] => 2008-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 12227 [patent_no_of_claims] => 17 [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/A1/0270/20100270245.pdf [firstpage_image] =>[orig_patent_app_number] => 12743431 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/743431
LIQUID SEPARATING DEVICE FOR THE SEPARATION OF A LIQUID MIXTURE Nov 27, 2008 Abandoned
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