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] => 11074564 [patent_doc_number] => 20160271528 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-09-22 [patent_title] => 'Connection-Free Filter Capsule Apparatus' [patent_app_type] => utility [patent_app_number] => 15/075748 [patent_app_country] => US [patent_app_date] => 2016-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 9942 [patent_no_of_claims] => 20 [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] => 15075748 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/075748
Connection-free filter capsule apparatus Mar 20, 2016 Issued
Array ( [id] => 14359811 [patent_doc_number] => 10301190 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-05-28 [patent_title] => Pressure controlled gas flotation [patent_app_type] => utility [patent_app_number] => 15/072619 [patent_app_country] => US [patent_app_date] => 2016-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 2589 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15072619 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/072619
Pressure controlled gas flotation Mar 16, 2016 Issued
Array ( [id] => 13761655 [patent_doc_number] => 10173157 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-01-08 [patent_title] => Filter assembly [patent_app_type] => utility [patent_app_number] => 15/071684 [patent_app_country] => US [patent_app_date] => 2016-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6813 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15071684 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/071684
Filter assembly Mar 15, 2016 Issued
Array ( [id] => 11963404 [patent_doc_number] => 20170267557 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-21 [patent_title] => 'IN-SITU TREATMENT OF TAILINGS' [patent_app_type] => utility [patent_app_number] => 15/071080 [patent_app_country] => US [patent_app_date] => 2016-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4796 [patent_no_of_claims] => 15 [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] => 15071080 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/071080
IN-SITU TREATMENT OF TAILINGS Mar 14, 2016 Abandoned
Array ( [id] => 10996608 [patent_doc_number] => 20160193554 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-07 [patent_title] => 'FILTER APPARATUS WITH TORQUE LIMITING MECHANISM' [patent_app_type] => utility [patent_app_number] => 15/068130 [patent_app_country] => US [patent_app_date] => 2016-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 7402 [patent_no_of_claims] => 18 [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] => 15068130 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/068130
Filter apparatus with torque limiting mechanism Mar 10, 2016 Issued
Array ( [id] => 15422281 [patent_doc_number] => 10544053 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-28 [patent_title] => Systems for petroleum wastewater treatment including removable coalescer components and related methods [patent_app_type] => utility [patent_app_number] => 15/068307 [patent_app_country] => US [patent_app_date] => 2016-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 17 [patent_no_of_words] => 11542 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15068307 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/068307
Systems for petroleum wastewater treatment including removable coalescer components and related methods Mar 10, 2016 Issued
Array ( [id] => 12638613 [patent_doc_number] => 20180104701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-04-19 [patent_title] => Composition Of Fatty Acids And N-Acyl Derivatives Of Sarcosine For The Improved Flotation Of Nonsulfide Minerals [patent_app_type] => utility [patent_app_number] => 15/562830 [patent_app_country] => US [patent_app_date] => 2016-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3336 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15562830 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/562830
Composition of fatty acids and N-acyl derivatives of sarcosine for the improved flotation of nonsulfide minerals Feb 29, 2016 Issued
Array ( [id] => 11129041 [patent_doc_number] => 20160326016 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-10 [patent_title] => 'MULTIBUBBLE INJECTION TYPE DISSOLVED AIR FLOTATION WATER TREATMENT APPARATUS' [patent_app_type] => utility [patent_app_number] => 15/042487 [patent_app_country] => US [patent_app_date] => 2016-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7160 [patent_no_of_claims] => 18 [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] => 15042487 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/042487
Multibubble injection type dissolved air flotation water treatment apparatus Feb 11, 2016 Issued
Array ( [id] => 10790501 [patent_doc_number] => 20160136657 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-19 [patent_title] => 'Air-Assisted Separation System' [patent_app_type] => utility [patent_app_number] => 15/007802 [patent_app_country] => US [patent_app_date] => 2016-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3881 [patent_no_of_claims] => 22 [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] => 15007802 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/007802
Air-assisted separation system Jan 26, 2016 Issued
Array ( [id] => 16634524 [patent_doc_number] => 10913013 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-09 [patent_title] => System and method to process effluent brine and interface rag from an oil dehydration/desalting system [patent_app_type] => utility [patent_app_number] => 14/997877 [patent_app_country] => US [patent_app_date] => 2016-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2951 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14997877 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/997877
System and method to process effluent brine and interface rag from an oil dehydration/desalting system Jan 17, 2016 Issued
Array ( [id] => 15339461 [patent_doc_number] => 10525389 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-07 [patent_title] => Sludge concentrator assembly with varying first stage separator, combined with a second stage, clean flow outlet incorporating fixed and variable flow restrictor orifices [patent_app_type] => utility [patent_app_number] => 14/993691 [patent_app_country] => US [patent_app_date] => 2016-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 31 [patent_no_of_words] => 8133 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14993691 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/993691
Sludge concentrator assembly with varying first stage separator, combined with a second stage, clean flow outlet incorporating fixed and variable flow restrictor orifices Jan 11, 2016 Issued
Array ( [id] => 11297019 [patent_doc_number] => 09505011 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-11-29 [patent_title] => 'Mixed decyl mercaptans compositions and use thereof as mining chemical collectors' [patent_app_type] => utility [patent_app_number] => 14/981475 [patent_app_country] => US [patent_app_date] => 2015-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 33180 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14981475 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/981475
Mixed decyl mercaptans compositions and use thereof as mining chemical collectors Dec 27, 2015 Issued
Array ( [id] => 12238889 [patent_doc_number] => 20180071752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-15 [patent_title] => 'Depressants for Mineral Ore Flotation' [patent_app_type] => utility [patent_app_number] => 15/538471 [patent_app_country] => US [patent_app_date] => 2015-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8393 [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] => 15538471 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/538471
Depressants for Mineral Ore Flotation Dec 17, 2015 Abandoned
Array ( [id] => 16572316 [patent_doc_number] => 10894227 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-19 [patent_title] => Auto drain plug for a filtration apparatus [patent_app_type] => utility [patent_app_number] => 15/534338 [patent_app_country] => US [patent_app_date] => 2015-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5497 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15534338 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/534338
Auto drain plug for a filtration apparatus Dec 9, 2015 Issued
Array ( [id] => 14699841 [patent_doc_number] => 10377652 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-08-13 [patent_title] => Process for enhanced fractionation of recovered waste streams [patent_app_type] => utility [patent_app_number] => 14/959508 [patent_app_country] => US [patent_app_date] => 2015-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3230 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14959508 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/959508
Process for enhanced fractionation of recovered waste streams Dec 3, 2015 Issued
Array ( [id] => 10805567 [patent_doc_number] => 20160151725 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-02 [patent_title] => 'Re-usable Water Filter with Two Flushing Connectors' [patent_app_type] => utility [patent_app_number] => 14/957242 [patent_app_country] => US [patent_app_date] => 2015-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 1745 [patent_no_of_claims] => 2 [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] => 14957242 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/957242
Re-usable Water Filter with Two Flushing Connectors Dec 1, 2015 Abandoned
Array ( [id] => 13700761 [patent_doc_number] => 20170361335 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-21 [patent_title] => PROCESS FOR THE SELECTIVE FLOTATION OF KAINITE FROM MINERAL MIXTURES USING SULFATED FATTY ACIDS AS THE COLLECTOR REAGENT [patent_app_type] => utility [patent_app_number] => 15/531660 [patent_app_country] => US [patent_app_date] => 2015-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2427 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15531660 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/531660
Process for the selective floatation of kainite from mineral mixtures using sulfated fatty acids as the collector reagent Nov 30, 2015 Issued
Array ( [id] => 11113992 [patent_doc_number] => 20160310964 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-27 [patent_title] => 'CLAY FLOTATION OF TAILINGS' [patent_app_type] => utility [patent_app_number] => 14/943906 [patent_app_country] => US [patent_app_date] => 2015-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 6786 [patent_no_of_claims] => 14 [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] => 14943906 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/943906
CLAY FLOTATION OF TAILINGS Nov 16, 2015 Abandoned
Array ( [id] => 15976221 [patent_doc_number] => 10668413 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-02 [patent_title] => Elongate structure [patent_app_type] => utility [patent_app_number] => 15/526677 [patent_app_country] => US [patent_app_date] => 2015-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 18 [patent_no_of_words] => 11490 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15526677 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/526677
Elongate structure Nov 15, 2015 Issued
Array ( [id] => 10775183 [patent_doc_number] => 20160121339 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-05 [patent_title] => 'Systems and Methods for Extracting Particulate from Raw Slurry Material' [patent_app_type] => utility [patent_app_number] => 14/928296 [patent_app_country] => US [patent_app_date] => 2015-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 11886 [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] => 14928296 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/928296
Systems and methods for extracting particulate from raw slurry material Oct 29, 2015 Issued
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