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] => 10743528 [patent_doc_number] => 20160089679 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-31 [patent_title] => 'AUTOMATED SYSTEM OF FROTH FLOTATION COLUMNS WITH AERATORS INJECTION NOZZLES AND PROCESS THEREOF' [patent_app_type] => utility [patent_app_number] => 14/892339 [patent_app_country] => US [patent_app_date] => 2013-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9321 [patent_no_of_claims] => 19 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14892339 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/892339
AUTOMATED SYSTEM OF FROTH FLOTATION COLUMNS WITH AERATORS INJECTION NOZZLES AND PROCESS THEREOF May 22, 2013 Abandoned
Array ( [id] => 10251668 [patent_doc_number] => 20150136664 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-05-21 [patent_title] => 'CONTROLLING FROTH FLOTATION' [patent_app_type] => utility [patent_app_number] => 14/398660 [patent_app_country] => US [patent_app_date] => 2013-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6662 [patent_no_of_claims] => 24 [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] => 14398660 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/398660
CONTROLLING FROTH FLOTATION May 13, 2013 Abandoned
Array ( [id] => 9064451 [patent_doc_number] => 20130256207 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-03 [patent_title] => 'LIQUID FILTER ARRANGEMENT AND METHODS' [patent_app_type] => utility [patent_app_number] => 13/892512 [patent_app_country] => US [patent_app_date] => 2013-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 7545 [patent_no_of_claims] => 7 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13892512 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/892512
Liquid filter arrangement and methods May 12, 2013 Issued
Array ( [id] => 9982996 [patent_doc_number] => 09028700 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-05-12 [patent_title] => 'Liquid flotation system with energy recovery devices' [patent_app_type] => utility [patent_app_number] => 13/892746 [patent_app_country] => US [patent_app_date] => 2013-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4030 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13892746 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/892746
Liquid flotation system with energy recovery devices May 12, 2013 Issued
Array ( [id] => 13180445 [patent_doc_number] => 10105714 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-10-23 [patent_title] => Method for the radioactive decontamination of soil by dispersed air flotation foam and said foam [patent_app_type] => utility [patent_app_number] => 14/399155 [patent_app_country] => US [patent_app_date] => 2013-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 12 [patent_no_of_words] => 11313 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14399155 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/399155
Method for the radioactive decontamination of soil by dispersed air flotation foam and said foam May 9, 2013 Issued
Array ( [id] => 10266312 [patent_doc_number] => 20150151309 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-04 [patent_title] => 'Flotation Machine Rotor' [patent_app_type] => utility [patent_app_number] => 14/405215 [patent_app_country] => US [patent_app_date] => 2013-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5606 [patent_no_of_claims] => 13 [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] => 14405215 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/405215
Flotation machine rotor May 7, 2013 Issued
Array ( [id] => 9131593 [patent_doc_number] => 20130292305 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-07 [patent_title] => 'FILMS CONTAINING FOAMABLE INKS OR COATINGS AND PROCESS FOR SEPARATING SIMILAR DENSITY MATERIALS' [patent_app_type] => utility [patent_app_number] => 13/887699 [patent_app_country] => US [patent_app_date] => 2013-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16319 [patent_no_of_claims] => 37 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13887699 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/887699
Films containing foamable inks or coatings and process for separating similar density materials May 5, 2013 Issued
Array ( [id] => 10916016 [patent_doc_number] => 20140319036 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-10-30 [patent_title] => 'Dissolved Air Flotation Device For Liquid Clarification' [patent_app_type] => utility [patent_app_number] => 13/869129 [patent_app_country] => US [patent_app_date] => 2013-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 2537 [patent_no_of_claims] => 28 [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] => 13869129 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/869129
Dissolved air flotation device for liquid clarification Apr 23, 2013 Issued
Array ( [id] => 9927893 [patent_doc_number] => 20150076085 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-03-19 [patent_title] => 'SLUDGE SCREW THICKENER WITH SCREEN ROTATION DURING CLEANING' [patent_app_type] => utility [patent_app_number] => 14/395599 [patent_app_country] => US [patent_app_date] => 2013-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2691 [patent_no_of_claims] => 25 [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] => 14395599 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/395599
SLUDGE SCREW THICKENER WITH SCREEN ROTATION DURING CLEANING Apr 17, 2013 Abandoned
Array ( [id] => 13013635 [patent_doc_number] => 10029925 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-24 [patent_title] => Apparatus and method for cleaning water [patent_app_type] => utility [patent_app_number] => 14/397556 [patent_app_country] => US [patent_app_date] => 2013-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 7590 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14397556 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/397556
Apparatus and method for cleaning water Apr 17, 2013 Issued
Array ( [id] => 11778441 [patent_doc_number] => 09387490 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-07-12 [patent_title] => 'Method for improving selectivity and recovery in the flotation of nickel sulphide ores that contain pyrrhotite by exploiting the synergy of multiple depressants' [patent_app_type] => utility [patent_app_number] => 13/862117 [patent_app_country] => US [patent_app_date] => 2013-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7114 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13862117 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/862117
Method for improving selectivity and recovery in the flotation of nickel sulphide ores that contain pyrrhotite by exploiting the synergy of multiple depressants Apr 11, 2013 Issued
Array ( [id] => 9064450 [patent_doc_number] => 20130256206 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-03 [patent_title] => 'Filter Element, a Filter Set, and a Filter Device' [patent_app_type] => utility [patent_app_number] => 13/854070 [patent_app_country] => US [patent_app_date] => 2013-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2948 [patent_no_of_claims] => 11 [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] => 13854070 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/854070
Filter element, a filter set, and a filter device Mar 29, 2013 Issued
Array ( [id] => 8986110 [patent_doc_number] => 20130213391 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-22 [patent_title] => 'SUGAR AERATION CLARIFIER' [patent_app_type] => utility [patent_app_number] => 13/848022 [patent_app_country] => US [patent_app_date] => 2013-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 9345 [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] => 13848022 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/848022
SUGAR AERATION CLARIFIER Mar 19, 2013 Abandoned
Array ( [id] => 10114949 [patent_doc_number] => 09149814 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-10-06 [patent_title] => 'Composition and method for improvement in froth flotation' [patent_app_type] => utility [patent_app_number] => 13/798965 [patent_app_country] => US [patent_app_date] => 2013-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5068 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13798965 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/798965
Composition and method for improvement in froth flotation Mar 12, 2013 Issued
Array ( [id] => 11581992 [patent_doc_number] => 09636612 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-02 [patent_title] => 'Filter housing for exchangeable filter' [patent_app_type] => utility [patent_app_number] => 14/389440 [patent_app_country] => US [patent_app_date] => 2013-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 1600 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 274 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14389440 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/389440
Filter housing for exchangeable filter Mar 6, 2013 Issued
Array ( [id] => 9809312 [patent_doc_number] => 20150021257 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-01-22 [patent_title] => 'Static Filter Screen' [patent_app_type] => utility [patent_app_number] => 14/380202 [patent_app_country] => US [patent_app_date] => 2013-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 1797 [patent_no_of_claims] => 15 [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] => 14380202 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/380202
Static filter screen Feb 24, 2013 Issued
Array ( [id] => 12563424 [patent_doc_number] => 10016711 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-10 [patent_title] => Installation of correct filter cartridge in fluid filter assembly before allowing assembly to be completed [patent_app_type] => utility [patent_app_number] => 14/368945 [patent_app_country] => US [patent_app_date] => 2013-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 4177 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14368945 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/368945
Installation of correct filter cartridge in fluid filter assembly before allowing assembly to be completed Feb 21, 2013 Issued
Array ( [id] => 8880302 [patent_doc_number] => 20130153486 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-20 [patent_title] => 'Rotary Disc Filter and Module for Constructing Same' [patent_app_type] => utility [patent_app_number] => 13/765942 [patent_app_country] => US [patent_app_date] => 2013-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3599 [patent_no_of_claims] => 50 [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] => 13765942 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/765942
Rotary disc filter and module for constructing same Feb 12, 2013 Issued
Array ( [id] => 13646333 [patent_doc_number] => 09849465 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-12-26 [patent_title] => Mineral ore flotation using carboxymethyl cellulose with different characteristics in different flotation cells [patent_app_type] => utility [patent_app_number] => 14/378571 [patent_app_country] => US [patent_app_date] => 2013-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4308 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14378571 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/378571
Mineral ore flotation using carboxymethyl cellulose with different characteristics in different flotation cells Jan 28, 2013 Issued
Array ( [id] => 8838450 [patent_doc_number] => 20130134078 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-30 [patent_title] => 'METHOD FOR SEPARATING SUSPENDED SOLIDS FROM A WASTE FLUID' [patent_app_type] => utility [patent_app_number] => 13/750519 [patent_app_country] => US [patent_app_date] => 2013-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9820 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13750519 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/750519
Method for separating suspended solids from a waste fluid Jan 24, 2013 Issued
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