Search

Thomas M. Lithgow

Examiner (ID: 13832, Phone: (571)272-1162 , Office: P/1776 )

Most Active Art Unit
1724
Art Unit(s)
1303, 2899, 1305, 1308, 1797, 1724, 1776, 1778
Total Applications
2612
Issued Applications
2059
Pending Applications
133
Abandoned Applications
420

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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