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] => 8187981 [patent_doc_number] => 08182681 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-05-22 [patent_title] => 'Oil filter assembly' [patent_app_type] => utility [patent_app_number] => 12/373896 [patent_app_country] => US [patent_app_date] => 2007-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5741 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/182/08182681.pdf [firstpage_image] =>[orig_patent_app_number] => 12373896 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/373896
Oil filter assembly May 18, 2007 Issued
Array ( [id] => 6459572 [patent_doc_number] => 20100006493 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-01-14 [patent_title] => 'Oelfilteranordnung und Filterelement Hierfuer' [patent_app_type] => utility [patent_app_number] => 12/373899 [patent_app_country] => US [patent_app_date] => 2007-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4201 [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/A1/0006/20100006493.pdf [firstpage_image] =>[orig_patent_app_number] => 12373899 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/373899
Oil filter assembly and associated filter element May 18, 2007 Issued
Array ( [id] => 4775472 [patent_doc_number] => 20080283470 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-11-20 [patent_title] => 'Watewater mercury removal process' [patent_app_type] => utility [patent_app_number] => 11/798694 [patent_app_country] => US [patent_app_date] => 2007-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5283 [patent_no_of_claims] => 20 [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/A1/0283/20080283470.pdf [firstpage_image] =>[orig_patent_app_number] => 11798694 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/798694
Wastewater mercury removal process May 15, 2007 Issued
Array ( [id] => 4467472 [patent_doc_number] => 07943041 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2011-05-17 [patent_title] => 'System for removing particulate matter from wastewater' [patent_app_type] => utility [patent_app_number] => 11/747778 [patent_app_country] => US [patent_app_date] => 2007-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3262 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/943/07943041.pdf [firstpage_image] =>[orig_patent_app_number] => 11747778 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/747778
System for removing particulate matter from wastewater May 10, 2007 Issued
Array ( [id] => 4654532 [patent_doc_number] => 20080023392 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-31 [patent_title] => 'Backflushable filtering apparatus for molten material and distribution unit for a filter device of this type' [patent_app_type] => utility [patent_app_number] => 11/801818 [patent_app_country] => US [patent_app_date] => 2007-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5896 [patent_no_of_claims] => 6 [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/A1/0023/20080023392.pdf [firstpage_image] =>[orig_patent_app_number] => 11801818 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/801818
Backflushable filtering apparatus for molten material and distribution unit for a filter device of this type May 9, 2007 Abandoned
Array ( [id] => 5043327 [patent_doc_number] => 20070261998 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-11-15 [patent_title] => 'Modified polysaccharides for depressing floatable gangue minerals' [patent_app_type] => utility [patent_app_number] => 11/799521 [patent_app_country] => US [patent_app_date] => 2007-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4857 [patent_no_of_claims] => 32 [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/A1/0261/20070261998.pdf [firstpage_image] =>[orig_patent_app_number] => 11799521 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/799521
Modified polysaccharides for depressing floatable gangue minerals May 1, 2007 Abandoned
Array ( [id] => 5013760 [patent_doc_number] => 20070256968 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-11-08 [patent_title] => 'ADVANCED FILTER FOR BOILERS' [patent_app_type] => utility [patent_app_number] => 11/741444 [patent_app_country] => US [patent_app_date] => 2007-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2035 [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/A1/0256/20070256968.pdf [firstpage_image] =>[orig_patent_app_number] => 11741444 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/741444
ADVANCED FILTER FOR BOILERS Apr 26, 2007 Abandoned
Array ( [id] => 4528918 [patent_doc_number] => RE042059 [patent_country] => US [patent_kind] => E1 [patent_issue_date] => 2011-01-25 [patent_title] => 'Oval centerpost and cooperating filter cartridge' [patent_app_type] => reissue [patent_app_number] => 11/789797 [patent_app_country] => US [patent_app_date] => 2007-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 3307 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/042/RE042059.pdf [firstpage_image] =>[orig_patent_app_number] => 11789797 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/789797
Oval centerpost and cooperating filter cartridge Apr 24, 2007 Issued
Array ( [id] => 5388698 [patent_doc_number] => 20090206010 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-08-20 [patent_title] => 'REVERSE FROTH FLOTATION OF CALCITE ORE' [patent_app_type] => utility [patent_app_number] => 12/294117 [patent_app_country] => US [patent_app_date] => 2007-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4630 [patent_no_of_claims] => 11 [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/A1/0206/20090206010.pdf [firstpage_image] =>[orig_patent_app_number] => 12294117 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/294117
Reverse froth flotation of calcite ore Apr 17, 2007 Issued
Array ( [id] => 8160899 [patent_doc_number] => 08172089 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-05-08 [patent_title] => 'Flotation reagent for minerals containing silicate' [patent_app_type] => utility [patent_app_number] => 12/298596 [patent_app_country] => US [patent_app_date] => 2007-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1859 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/172/08172089.pdf [firstpage_image] =>[orig_patent_app_number] => 12298596 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/298596
Flotation reagent for minerals containing silicate Apr 15, 2007 Issued
Array ( [id] => 4648300 [patent_doc_number] => 20080035555 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-02-14 [patent_title] => 'APPARATUS, SYSTEM, AND METHOD FOR SMALL-PARTICLE LIQUID FILTRATION ENHANCEMENT' [patent_app_type] => utility [patent_app_number] => 11/735021 [patent_app_country] => US [patent_app_date] => 2007-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4523 [patent_no_of_claims] => 25 [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/A1/0035/20080035555.pdf [firstpage_image] =>[orig_patent_app_number] => 11735021 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/735021
Apparatus, system, and method for small-particle liquid filtration enhancement Apr 12, 2007 Issued
Array ( [id] => 4736810 [patent_doc_number] => 20080230462 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-25 [patent_title] => 'COLLAPSIBLE COLANDER & BOWL' [patent_app_type] => utility [patent_app_number] => 11/690045 [patent_app_country] => US [patent_app_date] => 2007-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3036 [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] => publications/A1/0230/20080230462.pdf [firstpage_image] =>[orig_patent_app_number] => 11690045 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/690045
Collapsible colander and bowl Mar 21, 2007 Issued
Array ( [id] => 4985574 [patent_doc_number] => 20070151911 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-05 [patent_title] => 'Environmentally friendly acid neutralizing cartridge' [patent_app_type] => utility [patent_app_number] => 11/717515 [patent_app_country] => US [patent_app_date] => 2007-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5082 [patent_no_of_claims] => 21 [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/A1/0151/20070151911.pdf [firstpage_image] =>[orig_patent_app_number] => 11717515 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/717515
Environmentally friendly acid neutralizing cartridge Mar 12, 2007 Abandoned
Array ( [id] => 369542 [patent_doc_number] => 07476315 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-01-13 [patent_title] => 'Quick-change filter and bracket system' [patent_app_type] => utility [patent_app_number] => 11/682873 [patent_app_country] => US [patent_app_date] => 2007-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 19 [patent_no_of_words] => 6953 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/476/07476315.pdf [firstpage_image] =>[orig_patent_app_number] => 11682873 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/682873
Quick-change filter and bracket system Mar 5, 2007 Issued
Array ( [id] => 5019014 [patent_doc_number] => 20070144979 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-06-28 [patent_title] => 'Vibratory Apparatus for Separating Liquid from Liquid-Laden Solid Material' [patent_app_type] => utility [patent_app_number] => 11/682283 [patent_app_country] => US [patent_app_date] => 2007-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2749 [patent_no_of_claims] => 17 [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/A1/0144/20070144979.pdf [firstpage_image] =>[orig_patent_app_number] => 11682283 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/682283
Vibratory Apparatus for Separating Liquid from Liquid-Laden Solid Material Mar 4, 2007 Abandoned
Array ( [id] => 5261888 [patent_doc_number] => 20090114573 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-05-07 [patent_title] => 'Flotation Reagent For Silicates' [patent_app_type] => utility [patent_app_number] => 12/225012 [patent_app_country] => US [patent_app_date] => 2007-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1474 [patent_no_of_claims] => 12 [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/A1/0114/20090114573.pdf [firstpage_image] =>[orig_patent_app_number] => 12225012 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/225012
Flotation reagent for silicates Feb 25, 2007 Issued
Array ( [id] => 5110041 [patent_doc_number] => 20070193956 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-23 [patent_title] => 'AQUARIUM PROTEIN SKIMMER' [patent_app_type] => utility [patent_app_number] => 11/678084 [patent_app_country] => US [patent_app_date] => 2007-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 20765 [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/A1/0193/20070193956.pdf [firstpage_image] =>[orig_patent_app_number] => 11678084 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/678084
AQUARIUM PROTEIN SKIMMER Feb 22, 2007 Abandoned
Array ( [id] => 321500 [patent_doc_number] => 07516849 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-04-14 [patent_title] => 'Froth flotation process with pH modification' [patent_app_type] => utility [patent_app_number] => 11/677132 [patent_app_country] => US [patent_app_date] => 2007-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1671 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/516/07516849.pdf [firstpage_image] =>[orig_patent_app_number] => 11677132 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/677132
Froth flotation process with pH modification Feb 20, 2007 Issued
Array ( [id] => 5082573 [patent_doc_number] => 20070272624 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-11-29 [patent_title] => ' DEVICE FOR TREATING A FLOWING LIQUID' [patent_app_type] => utility [patent_app_number] => 11/677060 [patent_app_country] => US [patent_app_date] => 2007-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2771 [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/A1/0272/20070272624.pdf [firstpage_image] =>[orig_patent_app_number] => 11677060 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/677060
Device for treating a flowing liquid Feb 20, 2007 Issued
Array ( [id] => 5196338 [patent_doc_number] => 20070295656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-12-27 [patent_title] => 'Filter with better performance by minimizing clogging' [patent_app_type] => utility [patent_app_number] => 11/707195 [patent_app_country] => US [patent_app_date] => 2007-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 1543 [patent_no_of_claims] => 5 [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/A1/0295/20070295656.pdf [firstpage_image] =>[orig_patent_app_number] => 11707195 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/707195
Filter with better performance by minimizing clogging Feb 12, 2007 Issued
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