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] => 8236909 [patent_doc_number] => 20120145642 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-14 [patent_title] => 'METHOD AND APPARATUS FOR TREATMENT OF FLUIDS' [patent_app_type] => utility [patent_app_number] => 13/391864 [patent_app_country] => US [patent_app_date] => 2011-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6879 [patent_no_of_claims] => 24 [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] => 13391864 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/391864
Method and apparatus for treatment of fluids Jun 29, 2011 Issued
Array ( [id] => 12112669 [patent_doc_number] => 09868649 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-01-16 [patent_title] => 'Process and apparatus for purifying water' [patent_app_type] => utility [patent_app_number] => 13/805571 [patent_app_country] => US [patent_app_date] => 2011-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6112 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13805571 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/805571
Process and apparatus for purifying water Jun 23, 2011 Issued
Array ( [id] => 8527244 [patent_doc_number] => 08303812 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-11-06 [patent_title] => 'Method and apparatus for skimming floated sludge' [patent_app_type] => utility [patent_app_number] => 13/163893 [patent_app_country] => US [patent_app_date] => 2011-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 28 [patent_no_of_words] => 12738 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13163893 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/163893
Method and apparatus for skimming floated sludge Jun 19, 2011 Issued
Array ( [id] => 8850574 [patent_doc_number] => 20130140249 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-06 [patent_title] => 'FEED DELIVERY SYSTEM FOR A SOLID-LIQUID SEPARATION VESSEL' [patent_app_type] => utility [patent_app_number] => 13/813020 [patent_app_country] => US [patent_app_date] => 2011-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 8298 [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] => 13813020 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/813020
FEED DELIVERY SYSTEM FOR A SOLID-LIQUID SEPARATION VESSEL Jun 16, 2011 Abandoned
Array ( [id] => 8784182 [patent_doc_number] => 08431022 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-04-30 [patent_title] => 'Modular dual vessel dissolved aeration flotation treatment system' [patent_app_type] => utility [patent_app_number] => 13/160459 [patent_app_country] => US [patent_app_date] => 2011-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 28 [patent_no_of_words] => 7523 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 453 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13160459 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/160459
Modular dual vessel dissolved aeration flotation treatment system Jun 13, 2011 Issued
Array ( [id] => 11634937 [patent_doc_number] => 09656894 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-23 [patent_title] => 'Wastewater hydrocarbon extraction and environmental treatment method and system' [patent_app_type] => utility [patent_app_number] => 13/703257 [patent_app_country] => US [patent_app_date] => 2011-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 5583 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13703257 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/703257
Wastewater hydrocarbon extraction and environmental treatment method and system Jun 9, 2011 Issued
Array ( [id] => 8932091 [patent_doc_number] => 08491787 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-07-23 [patent_title] => 'Leveling hold-down mechanism for lateral screens' [patent_app_type] => utility [patent_app_number] => 13/157043 [patent_app_country] => US [patent_app_date] => 2011-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 29 [patent_no_of_words] => 4193 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13157043 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/157043
Leveling hold-down mechanism for lateral screens Jun 8, 2011 Issued
Array ( [id] => 7648353 [patent_doc_number] => 20110297621 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-08 [patent_title] => 'Crouse air bubble oil barrier' [patent_app_type] => utility [patent_app_number] => 13/134491 [patent_app_country] => US [patent_app_date] => 2011-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3101 [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/A1/0297/20110297621.pdf [firstpage_image] =>[orig_patent_app_number] => 13134491 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/134491
Crouse air bubble oil barrier Jun 6, 2011 Abandoned
Array ( [id] => 8801807 [patent_doc_number] => 08440079 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-05-14 [patent_title] => 'Liquid filter arrangements and methods' [patent_app_type] => utility [patent_app_number] => 13/153887 [patent_app_country] => US [patent_app_date] => 2011-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 7557 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13153887 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/153887
Liquid filter arrangements and methods Jun 5, 2011 Issued
Array ( [id] => 9508323 [patent_doc_number] => 20140144814 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-29 [patent_title] => 'USE OF QUATERNARY AMMONIUM COMPOUNDS AS COLLECTORS IN FROTH FLOTATION PROCESSES' [patent_app_type] => utility [patent_app_number] => 13/697801 [patent_app_country] => US [patent_app_date] => 2011-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 8315 [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] => 13697801 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/697801
Use of quaternary ammonium compounds as collectors in froth flotation processes May 24, 2011 Issued
Array ( [id] => 7496365 [patent_doc_number] => 20110259805 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-10-27 [patent_title] => 'SYSTEM FOR REMOVING PARTICULATE MATTER FROM WASTEWATER' [patent_app_type] => utility [patent_app_number] => 13/091934 [patent_app_country] => US [patent_app_date] => 2011-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3266 [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/A1/0259/20110259805.pdf [firstpage_image] =>[orig_patent_app_number] => 13091934 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/091934
SYSTEM FOR REMOVING PARTICULATE MATTER FROM WASTEWATER Apr 20, 2011 Abandoned
Array ( [id] => 9624778 [patent_doc_number] => 08794446 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-05 [patent_title] => 'Sparging device for a flotation cell' [patent_app_type] => utility [patent_app_number] => 13/814050 [patent_app_country] => US [patent_app_date] => 2011-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 5519 [patent_no_of_claims] => 10 [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] => 13814050 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/814050
Sparging device for a flotation cell Apr 18, 2011 Issued
Array ( [id] => 8850567 [patent_doc_number] => 20130140242 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-06 [patent_title] => 'METHOD FOR REMOVING POLLUTING SUBSTANCES FROM WATER STREAMS BY OXYGEN INJECTION IN A FLOTATION BASIN' [patent_app_type] => utility [patent_app_number] => 13/641427 [patent_app_country] => US [patent_app_date] => 2011-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2867 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13641427 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/641427
METHOD FOR REMOVING POLLUTING SUBSTANCES FROM WATER STREAMS BY OXYGEN INJECTION IN A FLOTATION BASIN Apr 13, 2011 Abandoned
Array ( [id] => 9502830 [patent_doc_number] => 08741138 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-06-03 [patent_title] => 'Filter with end cap features' [patent_app_type] => utility [patent_app_number] => 13/070904 [patent_app_country] => US [patent_app_date] => 2011-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3991 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13070904 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/070904
Filter with end cap features Mar 23, 2011 Issued
Array ( [id] => 8413869 [patent_doc_number] => 20120241369 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-27 [patent_title] => 'Filter Apparatus' [patent_app_type] => utility [patent_app_number] => 13/069309 [patent_app_country] => US [patent_app_date] => 2011-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6385 [patent_no_of_claims] => 10 [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] => 13069309 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/069309
Filter apparatus Mar 21, 2011 Issued
Array ( [id] => 8888055 [patent_doc_number] => 20130161239 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-27 [patent_title] => 'FROTH FLOTATION PROCESS FOR THE SEPARATION OF SILICATES AND ALKALINE EARTH METAL CARBONATES USING A COLLECTOR COMPRISING AT LEAST ONE HYDROPHOBICALLY MODIFIED POLYALKYLENEIMINE' [patent_app_type] => utility [patent_app_number] => 13/582607 [patent_app_country] => US [patent_app_date] => 2011-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6338 [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] => 13582607 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/582607
Froth flotation process for the separation of silicates and alkaline earth metal carbonates using a collector comprising at least one hydrophobically modified polyalkyleneimine Mar 15, 2011 Issued
Array ( [id] => 9215866 [patent_doc_number] => 08628662 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-01-14 [patent_title] => 'Filtering device comprising membrane filtering modules and assembly of modules for such a device' [patent_app_type] => utility [patent_app_number] => 13/634046 [patent_app_country] => US [patent_app_date] => 2011-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 15 [patent_no_of_words] => 5686 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13634046 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/634046
Filtering device comprising membrane filtering modules and assembly of modules for such a device Mar 8, 2011 Issued
Array ( [id] => 12112115 [patent_doc_number] => 09868093 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-01-16 [patent_title] => 'Flotation machine rotor' [patent_app_type] => utility [patent_app_number] => 13/581839 [patent_app_country] => US [patent_app_date] => 2011-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3495 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13581839 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/581839
Flotation machine rotor Feb 28, 2011 Issued
Array ( [id] => 8563159 [patent_doc_number] => 20120325730 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-12-27 [patent_title] => 'FLOTATION MACHINE' [patent_app_type] => utility [patent_app_number] => 13/577224 [patent_app_country] => US [patent_app_date] => 2011-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2381 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13577224 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/577224
Flotation machine Feb 21, 2011 Issued
Array ( [id] => 8356244 [patent_doc_number] => 20120211407 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-08-23 [patent_title] => 'Dissolved Air Flotation Nozzle for Use With Self Contained Dissolved Air Flotation System' [patent_app_type] => utility [patent_app_number] => 13/029767 [patent_app_country] => US [patent_app_date] => 2011-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4720 [patent_no_of_claims] => 2 [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] => 13029767 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/029767
Dissolved Air Flotation Nozzle for Use With Self Contained Dissolved Air Flotation System Feb 16, 2011 Abandoned
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