Search

Spencer E. Bell

Examiner (ID: 9240, Phone: (571)272-9888 , Office: P/1711 )

Most Active Art Unit
1711
Art Unit(s)
RD00, 1711
Total Applications
798
Issued Applications
470
Pending Applications
93
Abandoned Applications
246

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 7576822 [patent_doc_number] => 20110290704 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-01 [patent_title] => 'Foaming Agent And Method For Floatation Of Insoluble Components Of Raw Salts' [patent_app_type] => utility [patent_app_number] => 13/147977 [patent_app_country] => US [patent_app_date] => 2010-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4313 [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] => publications/A1/0290/20110290704.pdf [firstpage_image] =>[orig_patent_app_number] => 13147977 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/147977
Foaming agent and method for floatation of insoluble components of raw salts Feb 9, 2010 Issued
Array ( [id] => 7711073 [patent_doc_number] => 08092690 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-01-10 [patent_title] => 'Fluid filter element' [patent_app_type] => utility [patent_app_number] => 12/703575 [patent_app_country] => US [patent_app_date] => 2010-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 3870 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/092/08092690.pdf [firstpage_image] =>[orig_patent_app_number] => 12703575 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/703575
Fluid filter element Feb 9, 2010 Issued
Array ( [id] => 9024891 [patent_doc_number] => 08534464 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-09-17 [patent_title] => 'Collecting agent and method for floatation of insoluble components of raw salts' [patent_app_type] => utility [patent_app_number] => 13/147984 [patent_app_country] => US [patent_app_date] => 2010-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4070 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13147984 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/147984
Collecting agent and method for floatation of insoluble components of raw salts Feb 9, 2010 Issued
Array ( [id] => 4611914 [patent_doc_number] => 07988853 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-08-02 [patent_title] => 'Water treatment apparatus with easy filter replacement construction' [patent_app_type] => utility [patent_app_number] => 12/700097 [patent_app_country] => US [patent_app_date] => 2010-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2315 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/988/07988853.pdf [firstpage_image] =>[orig_patent_app_number] => 12700097 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/700097
Water treatment apparatus with easy filter replacement construction Feb 3, 2010 Issued
Array ( [id] => 4608262 [patent_doc_number] => 07993517 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-08-09 [patent_title] => 'Automatically cleaned filter' [patent_app_type] => utility [patent_app_number] => 12/652015 [patent_app_country] => US [patent_app_date] => 2010-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 1214 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/993/07993517.pdf [firstpage_image] =>[orig_patent_app_number] => 12652015 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/652015
Automatically cleaned filter Jan 3, 2010 Issued
Array ( [id] => 6405533 [patent_doc_number] => 20100140157 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-10 [patent_title] => 'Liquid filter arrangement and methods' [patent_app_type] => utility [patent_app_number] => 12/655133 [patent_app_country] => US [patent_app_date] => 2009-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 7499 [patent_no_of_claims] => 18 [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/A1/0140/20100140157.pdf [firstpage_image] =>[orig_patent_app_number] => 12655133 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/655133
Liquid filter arrangement and methods Dec 21, 2009 Issued
Array ( [id] => 9008795 [patent_doc_number] => 08524089 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-09-03 [patent_title] => 'Combined sedimentation and pressure floatation wastewater treatment tank' [patent_app_type] => utility [patent_app_number] => 12/639066 [patent_app_country] => US [patent_app_date] => 2009-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3063 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12639066 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/639066
Combined sedimentation and pressure floatation wastewater treatment tank Dec 15, 2009 Issued
Array ( [id] => 6207515 [patent_doc_number] => 20110132831 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-09 [patent_title] => 'HORIZONTAL BELT VACUUM FILTER WITH OVERHEAD FLUID REMOVAL' [patent_app_type] => utility [patent_app_number] => 12/631915 [patent_app_country] => US [patent_app_date] => 2009-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2891 [patent_no_of_claims] => 13 [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/A1/0132/20110132831.pdf [firstpage_image] =>[orig_patent_app_number] => 12631915 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/631915
HORIZONTAL BELT VACUUM FILTER WITH OVERHEAD FLUID REMOVAL Dec 6, 2009 Abandoned
Array ( [id] => 8994385 [patent_doc_number] => 08518266 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-27 [patent_title] => 'Dissolved air flotation clarifier' [patent_app_type] => utility [patent_app_number] => 12/591320 [patent_app_country] => US [patent_app_date] => 2009-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3163 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12591320 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/591320
Dissolved air flotation clarifier Nov 15, 2009 Issued
Array ( [id] => 9777231 [patent_doc_number] => 08852431 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-10-07 [patent_title] => 'Filter device' [patent_app_type] => utility [patent_app_number] => 13/138137 [patent_app_country] => US [patent_app_date] => 2009-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3316 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13138137 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/138137
Filter device Nov 2, 2009 Issued
Array ( [id] => 8640949 [patent_doc_number] => 08365923 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-02-05 [patent_title] => 'Methods for selectively separating carbon nanotubes' [patent_app_type] => utility [patent_app_number] => 12/610169 [patent_app_country] => US [patent_app_date] => 2009-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8362 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12610169 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/610169
Methods for selectively separating carbon nanotubes Oct 29, 2009 Issued
Array ( [id] => 5978992 [patent_doc_number] => 20110094942 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-04-28 [patent_title] => 'METHOD FOR SEPARATING ARSENIC MINERAL FROM COPPER-BEARING MATERIAL WITH HIGH ARSENIC GRADE' [patent_app_type] => utility [patent_app_number] => 12/737333 [patent_app_country] => US [patent_app_date] => 2009-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6536 [patent_no_of_claims] => 12 [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/A1/0094/20110094942.pdf [firstpage_image] =>[orig_patent_app_number] => 12737333 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/737333
Method for separating arsenic mineral from copper-bearing material with high arsenic grade Oct 26, 2009 Issued
Array ( [id] => 6419890 [patent_doc_number] => 20100101991 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-29 [patent_title] => 'Method and apparatus for separating and removing fluids from drill cuttings' [patent_app_type] => utility [patent_app_number] => 12/589412 [patent_app_country] => US [patent_app_date] => 2009-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3525 [patent_no_of_claims] => 1 [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/A1/0101/20100101991.pdf [firstpage_image] =>[orig_patent_app_number] => 12589412 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/589412
Method and apparatus for separating and removing fluids from drill cuttings Oct 22, 2009 Issued
Array ( [id] => 6041898 [patent_doc_number] => 20110203975 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-08-25 [patent_title] => 'Mixture of an Amine Alkoxylate Ester and a Quaternary Ammonium Compound as a Collector for Minerals Containing Silicate' [patent_app_type] => utility [patent_app_number] => 13/126303 [patent_app_country] => US [patent_app_date] => 2009-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2334 [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] => publications/A1/0203/20110203975.pdf [firstpage_image] =>[orig_patent_app_number] => 13126303 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/126303
Mixture of an amine alkoxylate ester and a quaternary ammonium compound as a collector for minerals containing silicate Oct 5, 2009 Issued
Array ( [id] => 6497723 [patent_doc_number] => 20100012570 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-01-21 [patent_title] => 'Rotary Disc Filter and Module for Constructing Same' [patent_app_type] => utility [patent_app_number] => 12/569979 [patent_app_country] => US [patent_app_date] => 2009-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3544 [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/A1/0012/20100012570.pdf [firstpage_image] =>[orig_patent_app_number] => 12569979 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/569979
Rotary disc filter and module for constructing same Sep 29, 2009 Issued
Array ( [id] => 4607465 [patent_doc_number] => 07992718 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2011-08-09 [patent_title] => 'Method for enhancing selectivity and recovery in the fractional flotation of particles in a flotation column' [patent_app_type] => utility [patent_app_number] => 12/552550 [patent_app_country] => US [patent_app_date] => 2009-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7866 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 299 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/992/07992718.pdf [firstpage_image] =>[orig_patent_app_number] => 12552550 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/552550
Method for enhancing selectivity and recovery in the fractional flotation of particles in a flotation column Sep 1, 2009 Issued
Array ( [id] => 6020368 [patent_doc_number] => 20110049046 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-03-03 [patent_title] => 'DEWATERING STRUCTURE FOR DEWATERING A WATER-CONTAINED OBJECT' [patent_app_type] => utility [patent_app_number] => 12/548439 [patent_app_country] => US [patent_app_date] => 2009-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2783 [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/A1/0049/20110049046.pdf [firstpage_image] =>[orig_patent_app_number] => 12548439 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/548439
Dewatering structure for dewatering a water-contained object Aug 26, 2009 Issued
Array ( [id] => 6183460 [patent_doc_number] => 20110168619 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-07-14 [patent_title] => 'FILTER DEVICE AND FILTER ELEMENT' [patent_app_type] => utility [patent_app_number] => 12/998082 [patent_app_country] => US [patent_app_date] => 2009-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2818 [patent_no_of_claims] => 8 [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/A1/0168/20110168619.pdf [firstpage_image] =>[orig_patent_app_number] => 12998082 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/998082
Filter device and filter element Aug 25, 2009 Issued
Array ( [id] => 9152996 [patent_doc_number] => 08585897 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-11-19 [patent_title] => 'Cylindrical back washing purification apparatus' [patent_app_type] => utility [patent_app_number] => 13/132709 [patent_app_country] => US [patent_app_date] => 2009-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2849 [patent_no_of_claims] => 6 [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] => 13132709 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/132709
Cylindrical back washing purification apparatus Aug 24, 2009 Issued
Array ( [id] => 6443587 [patent_doc_number] => 20100038303 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-18 [patent_title] => 'Disposable polymer-structured filtering kit' [patent_app_type] => utility [patent_app_number] => 12/461474 [patent_app_country] => US [patent_app_date] => 2009-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5892 [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] => publications/A1/0038/20100038303.pdf [firstpage_image] =>[orig_patent_app_number] => 12461474 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/461474
Disposable polymer-structured filtering kit Aug 11, 2009 Issued
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