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] => 8925147 [patent_doc_number] => 20130180907 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-18 [patent_title] => 'SLUDGE CONCENTRATOR ASSEMBLY INCORPORATING UPPER CENTRIFUGAL SEPARATOR AND LOWER BARRIER FILTER AND EXHIBITING HIGH FLOW VELOCITY CLEAN FLUID OUTLET COMBINED WITH LOW FLOW VELOCITY SOLID ENTRAPMENT' [patent_app_type] => utility [patent_app_number] => 13/742990 [patent_app_country] => US [patent_app_date] => 2013-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 3913 [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] => 13742990 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/742990
Sludge concentrator assembly incorporating upper centrifugal separator and lower barrier filter and exhibiting high flow velocity clean fluid outlet combined with low flow velocity solid entrapment Jan 15, 2013 Issued
Array ( [id] => 9600406 [patent_doc_number] => 20140197087 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-17 [patent_title] => 'Fuel Filter Assembly and Cartridge' [patent_app_type] => utility [patent_app_number] => 13/740551 [patent_app_country] => US [patent_app_date] => 2013-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 7351 [patent_no_of_claims] => 20 [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] => 13740551 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/740551
Fuel filter assembly and cartridge Jan 13, 2013 Issued
Array ( [id] => 8811581 [patent_doc_number] => 20130112626 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-09 [patent_title] => 'Self Contained Dissolved Air Flotation System' [patent_app_type] => utility [patent_app_number] => 13/726966 [patent_app_country] => US [patent_app_date] => 2012-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3418 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13726966 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/726966
Self Contained Dissolved Air Flotation System Dec 25, 2012 Abandoned
Array ( [id] => 9514790 [patent_doc_number] => 20140151282 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-05 [patent_title] => 'Method of Securing Filter Elements' [patent_app_type] => utility [patent_app_number] => 13/693984 [patent_app_country] => US [patent_app_date] => 2012-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5071 [patent_no_of_claims] => 21 [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] => 13693984 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/693984
Method of securing filter elements Dec 3, 2012 Issued
Array ( [id] => 12344349 [patent_doc_number] => 09950281 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-04-24 [patent_title] => Apparatus and method for separation of hydrocarbons from hydrocarbon-containing produced water [patent_app_type] => utility [patent_app_number] => 14/360551 [patent_app_country] => US [patent_app_date] => 2012-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3602 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14360551 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/360551
Apparatus and method for separation of hydrocarbons from hydrocarbon-containing produced water Nov 27, 2012 Issued
Array ( [id] => 11428237 [patent_doc_number] => 09566541 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-02-14 [patent_title] => 'Oil side-stream cleaning device' [patent_app_type] => utility [patent_app_number] => 13/680482 [patent_app_country] => US [patent_app_date] => 2012-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4065 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13680482 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/680482
Oil side-stream cleaning device Nov 18, 2012 Issued
Array ( [id] => 9227019 [patent_doc_number] => 08632685 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-01-21 [patent_title] => 'Multistage DAF-advanced oxidation system' [patent_app_type] => utility [patent_app_number] => 13/673208 [patent_app_country] => US [patent_app_date] => 2012-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3452 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 320 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13673208 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/673208
Multistage DAF-advanced oxidation system Nov 8, 2012 Issued
Array ( [id] => 9008785 [patent_doc_number] => 08524079 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2013-09-03 [patent_title] => 'Assembling structure for a filtration set' [patent_app_type] => utility [patent_app_number] => 13/656755 [patent_app_country] => US [patent_app_date] => 2012-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 1895 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13656755 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/656755
Assembling structure for a filtration set Oct 21, 2012 Issued
Array ( [id] => 11634239 [patent_doc_number] => 09656194 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-23 [patent_title] => 'Filter for filtering fluids, filter cup and filter head' [patent_app_type] => utility [patent_app_number] => 13/653583 [patent_app_country] => US [patent_app_date] => 2012-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 6635 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 560 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13653583 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/653583
Filter for filtering fluids, filter cup and filter head Oct 16, 2012 Issued
Array ( [id] => 9949228 [patent_doc_number] => 08997999 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-04-07 [patent_title] => 'Rotating pressure washing stand for spa or pool filter' [patent_app_type] => utility [patent_app_number] => 13/652265 [patent_app_country] => US [patent_app_date] => 2012-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 1956 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13652265 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/652265
Rotating pressure washing stand for spa or pool filter Oct 14, 2012 Issued
Array ( [id] => 8880288 [patent_doc_number] => 20130153472 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-20 [patent_title] => 'APPARATUS AND METHOD FOR EFFICIENT PARTICLE TO GAS BUBBLE ATTACHMENT IN A SLURRY' [patent_app_type] => utility [patent_app_number] => 13/647305 [patent_app_country] => US [patent_app_date] => 2012-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3342 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 10 [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] => 13647305 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/647305
APPARATUS AND METHOD FOR EFFICIENT PARTICLE TO GAS BUBBLE ATTACHMENT IN A SLURRY Oct 7, 2012 Abandoned
Array ( [id] => 9653716 [patent_doc_number] => 20140224720 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-14 [patent_title] => 'WATER CLEANING SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/350754 [patent_app_country] => US [patent_app_date] => 2012-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 11441 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 7 [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] => 14350754 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/350754
WATER CLEANING SYSTEM Oct 7, 2012 Abandoned
Array ( [id] => 9637685 [patent_doc_number] => 20140215794 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-07 [patent_title] => 'INDEXING FILTER APPARATUS AND METHOD OF USE' [patent_app_type] => utility [patent_app_number] => 14/239868 [patent_app_country] => US [patent_app_date] => 2012-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 11488 [patent_no_of_claims] => 27 [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] => 14239868 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/239868
Indexing filter apparatus and method of use Sep 18, 2012 Issued
Array ( [id] => 8704999 [patent_doc_number] => 20130062288 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-14 [patent_title] => 'PROGRAMMABLE FLUID TREATMENT SYSTEM AND METHOD' [patent_app_type] => utility [patent_app_number] => 13/610800 [patent_app_country] => US [patent_app_date] => 2012-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 21059 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13610800 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/610800
PROGRAMMABLE FLUID TREATMENT SYSTEM AND METHOD Sep 10, 2012 Abandoned
Array ( [id] => 8943647 [patent_doc_number] => 08496823 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-07-30 [patent_title] => 'Water filter for refrigerator water dispenser' [patent_app_type] => utility [patent_app_number] => 13/604774 [patent_app_country] => US [patent_app_date] => 2012-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 25 [patent_no_of_words] => 6054 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13604774 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/604774
Water filter for refrigerator water dispenser Sep 5, 2012 Issued
Array ( [id] => 9631409 [patent_doc_number] => 20140209517 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-31 [patent_title] => 'DISPERSION NOZZLE, FLOTATION MACHINE EQUIPPED THEREWITH, AND METHOD FOR OPERATING SAME' [patent_app_type] => utility [patent_app_number] => 14/346827 [patent_app_country] => US [patent_app_date] => 2012-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4199 [patent_no_of_claims] => 28 [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] => 14346827 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/346827
DISPERSION NOZZLE, FLOTATION MACHINE EQUIPPED THEREWITH, AND METHOD FOR OPERATING SAME Aug 29, 2012 Abandoned
Array ( [id] => 9809327 [patent_doc_number] => 20150021272 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-01-22 [patent_title] => 'APPARATUS FOR PURIFYING WASTEWATER AND METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 13/822021 [patent_app_country] => US [patent_app_date] => 2012-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5771 [patent_no_of_claims] => 15 [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] => 13822021 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/822021
Apparatus for purifying wastewater and method thereof Aug 23, 2012 Issued
Array ( [id] => 9653739 [patent_doc_number] => 20140224745 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-14 [patent_title] => 'FLOTATION APPARATUS' [patent_app_type] => utility [patent_app_number] => 14/342244 [patent_app_country] => US [patent_app_date] => 2012-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1728 [patent_no_of_claims] => 24 [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] => 14342244 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/342244
FLOTATION APPARATUS Aug 20, 2012 Abandoned
Array ( [id] => 11197486 [patent_doc_number] => 09427682 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-08-30 [patent_title] => 'Liquid filter, in particular an oil filter' [patent_app_type] => utility [patent_app_number] => 13/588640 [patent_app_country] => US [patent_app_date] => 2012-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 2908 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 366 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13588640 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/588640
Liquid filter, in particular an oil filter Aug 16, 2012 Issued
Array ( [id] => 10141434 [patent_doc_number] => 09174223 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-11-03 [patent_title] => 'Compact separation apparatus' [patent_app_type] => utility [patent_app_number] => 13/584621 [patent_app_country] => US [patent_app_date] => 2012-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 8045 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 306 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13584621 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/584621
Compact separation apparatus Aug 12, 2012 Issued
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