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] => 8999770 [patent_doc_number] => 20130220894 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-29 [patent_title] => 'Flotation Apparatus and Flotation Method' [patent_app_type] => utility [patent_app_number] => 13/883378 [patent_app_country] => US [patent_app_date] => 2011-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3729 [patent_no_of_claims] => 17 [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] => 13883378 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/883378
Flotation apparatus and flotation method Oct 27, 2011 Issued
Array ( [id] => 8548610 [patent_doc_number] => 08323489 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-12-04 [patent_title] => 'Vessel and method for treating contaminated water' [patent_app_type] => utility [patent_app_number] => 13/271562 [patent_app_country] => US [patent_app_date] => 2011-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 33 [patent_no_of_words] => 10107 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13271562 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/271562
Vessel and method for treating contaminated water Oct 11, 2011 Issued
Array ( [id] => 8236917 [patent_doc_number] => 20120145653 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-14 [patent_title] => 'APPARATUS AND METHOD FOR SEPERATING A FEED MATERIAL CONTAINING IMMISCIBLE PHASES OF DIFFERENT DENSITIES' [patent_app_type] => utility [patent_app_number] => 13/252102 [patent_app_country] => US [patent_app_date] => 2011-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4722 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13252102 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/252102
Apparatus and method for separating a feed material containing immiscible phases of different densities Oct 2, 2011 Issued
Array ( [id] => 10875676 [patent_doc_number] => 08900460 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-12-02 [patent_title] => 'Method to process effluent brine and interface rag from an oil dehydration/desalting system' [patent_app_type] => utility [patent_app_number] => 13/248919 [patent_app_country] => US [patent_app_date] => 2011-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2958 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13248919 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/248919
Method to process effluent brine and interface rag from an oil dehydration/desalting system Sep 28, 2011 Issued
Array ( [id] => 9177964 [patent_doc_number] => 20130319949 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-12-05 [patent_title] => 'FLOATED SOLIDS SEPARATION' [patent_app_type] => utility [patent_app_number] => 13/876372 [patent_app_country] => US [patent_app_date] => 2011-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5792 [patent_no_of_claims] => 33 [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] => 13876372 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/876372
FLOATED SOLIDS SEPARATION Sep 26, 2011 Abandoned
Array ( [id] => 10038495 [patent_doc_number] => 09079192 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-07-14 [patent_title] => 'Control method of a flotation machine that is used in metallurgical processes' [patent_app_type] => utility [patent_app_number] => 13/825746 [patent_app_country] => US [patent_app_date] => 2011-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2277 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 255 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13825746 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/825746
Control method of a flotation machine that is used in metallurgical processes Sep 25, 2011 Issued
Array ( [id] => 8729769 [patent_doc_number] => 20130075338 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-28 [patent_title] => 'Induced-Gas Flotation Cell with Horizontal Flow' [patent_app_type] => utility [patent_app_number] => 13/240398 [patent_app_country] => US [patent_app_date] => 2011-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1414 [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] => 13240398 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/240398
Induced-Gas Flotation Cell with Horizontal Flow Sep 21, 2011 Abandoned
Array ( [id] => 8036141 [patent_doc_number] => 20120067807 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-22 [patent_title] => 'SEDIMENT COLLECTING CONTAINER' [patent_app_type] => utility [patent_app_number] => 13/238561 [patent_app_country] => US [patent_app_date] => 2011-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2939 [patent_no_of_claims] => 6 [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/A1/0067/20120067807.pdf [firstpage_image] =>[orig_patent_app_number] => 13238561 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/238561
Sediment collecting container Sep 20, 2011 Issued
Array ( [id] => 16031581 [patent_doc_number] => 10678207 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-09 [patent_title] => Method and apparatus for the control of a flotation separation process, including parameters of the flotation process and reagent addition to optimize mineral recovery [patent_app_type] => utility [patent_app_number] => 13/820033 [patent_app_country] => US [patent_app_date] => 2011-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3628 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13820033 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/820033
Method and apparatus for the control of a flotation separation process, including parameters of the flotation process and reagent addition to optimize mineral recovery Sep 5, 2011 Issued
Array ( [id] => 8213033 [patent_doc_number] => 08192631 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2012-06-05 [patent_title] => 'Fluid treatment device and method' [patent_app_type] => utility [patent_app_number] => 13/224425 [patent_app_country] => US [patent_app_date] => 2011-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3733 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 320 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/192/08192631.pdf [firstpage_image] =>[orig_patent_app_number] => 13224425 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/224425
Fluid treatment device and method Sep 1, 2011 Issued
Array ( [id] => 8834018 [patent_doc_number] => 08449770 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-05-28 [patent_title] => 'Multi-purpose filter cartridge assembly' [patent_app_type] => utility [patent_app_number] => 13/222294 [patent_app_country] => US [patent_app_date] => 2011-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 3069 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 299 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13222294 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/222294
Multi-purpose filter cartridge assembly Aug 30, 2011 Issued
Array ( [id] => 9013559 [patent_doc_number] => 20130228523 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-05 [patent_title] => 'FLUID TREATMENT APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/821645 [patent_app_country] => US [patent_app_date] => 2011-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2348 [patent_no_of_claims] => 19 [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] => 13821645 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/821645
FLUID TREATMENT APPARATUS Aug 30, 2011
Array ( [id] => 9514781 [patent_doc_number] => 20140151273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-05 [patent_title] => 'PROBE ARRANGEMENT FOR A FLOTATION CELL' [patent_app_type] => utility [patent_app_number] => 14/239197 [patent_app_country] => US [patent_app_date] => 2011-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4854 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14239197 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/239197
PROBE ARRANGEMENT FOR A FLOTATION CELL Aug 17, 2011 Abandoned
Array ( [id] => 10056444 [patent_doc_number] => 09095786 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-08-04 [patent_title] => 'Method and apparatus for separation of fluids within a single vessel' [patent_app_type] => utility [patent_app_number] => 13/208852 [patent_app_country] => US [patent_app_date] => 2011-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 3164 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13208852 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/208852
Method and apparatus for separation of fluids within a single vessel Aug 11, 2011 Issued
Array ( [id] => 9710162 [patent_doc_number] => 08834724 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-09-16 [patent_title] => 'Method and apparatus for separation of fluids by means of induced gas flotation and advances in said technology' [patent_app_type] => utility [patent_app_number] => 13/208865 [patent_app_country] => US [patent_app_date] => 2011-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2043 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13208865 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/208865
Method and apparatus for separation of fluids by means of induced gas flotation and advances in said technology Aug 11, 2011 Issued
Array ( [id] => 9412880 [patent_doc_number] => 08696916 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-04-15 [patent_title] => 'Process and apparatus for water purification' [patent_app_type] => utility [patent_app_number] => 13/816094 [patent_app_country] => US [patent_app_date] => 2011-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 22 [patent_no_of_words] => 12077 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13816094 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/816094
Process and apparatus for water purification Aug 4, 2011 Issued
Array ( [id] => 8577145 [patent_doc_number] => 08343355 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-01-01 [patent_title] => 'Self contained dissolved air flotation system' [patent_app_type] => utility [patent_app_number] => 13/185690 [patent_app_country] => US [patent_app_date] => 2011-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3387 [patent_no_of_claims] => 8 [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] => 13185690 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/185690
Self contained dissolved air flotation system Jul 18, 2011 Issued
Array ( [id] => 8577135 [patent_doc_number] => 08343344 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-01-01 [patent_title] => 'Fuel filter having water discharge pipe' [patent_app_type] => utility [patent_app_number] => 13/180857 [patent_app_country] => US [patent_app_date] => 2011-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1978 [patent_no_of_claims] => 12 [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] => 13180857 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/180857
Fuel filter having water discharge pipe Jul 11, 2011 Issued
Array ( [id] => 8901375 [patent_doc_number] => 20130168878 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-04 [patent_title] => 'FLOTATION SYSTEM FOR WASTEWATER TREATMENT' [patent_app_type] => utility [patent_app_number] => 13/809676 [patent_app_country] => US [patent_app_date] => 2011-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4274 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13809676 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/809676
FLOTATION SYSTEM FOR WASTEWATER TREATMENT Jul 10, 2011 Abandoned
Array ( [id] => 8737670 [patent_doc_number] => 08409436 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-04-02 [patent_title] => 'Rotary disc filter and module for constructing same' [patent_app_type] => utility [patent_app_number] => 13/174879 [patent_app_country] => US [patent_app_date] => 2011-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3555 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13174879 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/174879
Rotary disc filter and module for constructing same Jun 30, 2011 Issued
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