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] => 12050136 [patent_doc_number] => 20170326480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-16 [patent_title] => 'Filter Pad' [patent_app_type] => utility [patent_app_number] => 15/590080 [patent_app_country] => US [patent_app_date] => 2017-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3446 [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] => 15590080 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/590080
Filter pad May 8, 2017 Issued
Array ( [id] => 14307087 [patent_doc_number] => 20190143247 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-16 [patent_title] => FILTER FOR EXTRUDER PRESS [patent_app_type] => utility [patent_app_number] => 16/097904 [patent_app_country] => US [patent_app_date] => 2017-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14564 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -47 [patent_words_short_claim] => 325 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16097904 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/097904
FILTER FOR EXTRUDER PRESS Apr 25, 2017 Abandoned
Array ( [id] => 12022558 [patent_doc_number] => 20170312658 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-02 [patent_title] => 'FILTER FOR EXTRUDER PRESS' [patent_app_type] => utility [patent_app_number] => 15/497340 [patent_app_country] => US [patent_app_date] => 2017-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 14849 [patent_no_of_claims] => 50 [patent_no_of_ind_claims] => 29 [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] => 15497340 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/497340
Filter for extruder press Apr 25, 2017 Issued
Array ( [id] => 14198663 [patent_doc_number] => 10266424 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-23 [patent_title] => Method for recycling oilfield and other wastewater [patent_app_type] => utility [patent_app_number] => 15/489843 [patent_app_country] => US [patent_app_date] => 2017-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7644 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15489843 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/489843
Method for recycling oilfield and other wastewater Apr 17, 2017 Issued
Array ( [id] => 11835131 [patent_doc_number] => 20170216850 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-03 [patent_title] => 'METHOD AND APPARATUS FOR CONTACTING BUBBLES AND PARTICLES IN A FLOTATION SEPARATION SYSTEM' [patent_app_type] => utility [patent_app_number] => 15/487648 [patent_app_country] => US [patent_app_date] => 2017-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 11250 [patent_no_of_claims] => 13 [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] => 15487648 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/487648
Method and apparatus for contacting bubbles and particles in a flotation separation system Apr 13, 2017 Issued
Array ( [id] => 13492669 [patent_doc_number] => 20180297877 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-18 [patent_title] => WASTE WATER TREATMENT METHOD AND APPARATUS [patent_app_type] => utility [patent_app_number] => 15/486260 [patent_app_country] => US [patent_app_date] => 2017-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2457 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15486260 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/486260
Waste water treatment method and apparatus Apr 11, 2017 Issued
Array ( [id] => 16606597 [patent_doc_number] => 10907594 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-02 [patent_title] => Exchangeable filter of a treatment device for treatment of, in particular, liquid fluids and treatment device [patent_app_type] => utility [patent_app_number] => 15/479730 [patent_app_country] => US [patent_app_date] => 2017-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 9379 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 362 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15479730 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/479730
Exchangeable filter of a treatment device for treatment of, in particular, liquid fluids and treatment device Apr 4, 2017 Issued
Array ( [id] => 16275853 [patent_doc_number] => 10758861 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-01 [patent_title] => Method of gas absorption and the device for its implementation [patent_app_type] => utility [patent_app_number] => 16/093199 [patent_app_country] => US [patent_app_date] => 2017-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3751 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 327 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16093199 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/093199
Method of gas absorption and the device for its implementation Apr 2, 2017 Issued
Array ( [id] => 11979361 [patent_doc_number] => 20170283515 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-05 [patent_title] => 'Methods of Preparing Hemicellulose Compositions' [patent_app_type] => utility [patent_app_number] => 15/473715 [patent_app_country] => US [patent_app_date] => 2017-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 11261 [patent_no_of_claims] => 34 [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] => 15473715 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/473715
Methods of Preparing Hemicellulose Compositions Mar 29, 2017 Abandoned
Array ( [id] => 16245186 [patent_doc_number] => 10744517 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-18 [patent_title] => Use of alkoxylated amines as collector agents for ore beneficiation [patent_app_type] => utility [patent_app_number] => 16/077308 [patent_app_country] => US [patent_app_date] => 2017-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12090 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16077308 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/077308
Use of alkoxylated amines as collector agents for ore beneficiation Feb 12, 2017 Issued
Array ( [id] => 14653047 [patent_doc_number] => 20190233652 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-01 [patent_title] => PROCESS FOR MANUFACTURING WHITE PIGMENT CONTAINING PRODUCTS [patent_app_type] => utility [patent_app_number] => 15/999446 [patent_app_country] => US [patent_app_date] => 2017-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19076 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -79 [patent_words_short_claim] => 362 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15999446 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/999446
Process for manufacturing white pigment containing products Feb 12, 2017 Issued
Array ( [id] => 11618677 [patent_doc_number] => 20170128864 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-05-11 [patent_title] => 'Fuel Filter Assembly and Cartridge' [patent_app_type] => utility [patent_app_number] => 15/412521 [patent_app_country] => US [patent_app_date] => 2017-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 34 [patent_no_of_words] => 10608 [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] => 15412521 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/412521
Fuel Filter Assembly and Cartridge Jan 22, 2017 Abandoned
Array ( [id] => 15961269 [patent_doc_number] => 20200164386 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-28 [patent_title] => A VALVE [patent_app_type] => utility [patent_app_number] => 16/081846 [patent_app_country] => US [patent_app_date] => 2016-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3558 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16081846 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/081846
Valve Dec 27, 2016 Issued
Array ( [id] => 11827976 [patent_doc_number] => 09724706 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-08-08 [patent_title] => 'Flotation of silicates from ores' [patent_app_type] => utility [patent_app_number] => 15/375653 [patent_app_country] => US [patent_app_date] => 2016-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5210 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15375653 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/375653
Flotation of silicates from ores Dec 11, 2016 Issued
Array ( [id] => 15466857 [patent_doc_number] => 10549287 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-04 [patent_title] => Ultraflotation with magnetically responsive carrier particles [patent_app_type] => utility [patent_app_number] => 16/062904 [patent_app_country] => US [patent_app_date] => 2016-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20140 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16062904 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/062904
Ultraflotation with magnetically responsive carrier particles Dec 6, 2016 Issued
Array ( [id] => 13604845 [patent_doc_number] => 20180353971 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-13 [patent_title] => GAS RECIRCULATION IN MINERAL FLOTATION [patent_app_type] => utility [patent_app_number] => 15/781488 [patent_app_country] => US [patent_app_date] => 2016-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8350 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15781488 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/781488
Gas recirculation in mineral flotation Dec 6, 2016 Issued
Array ( [id] => 11506551 [patent_doc_number] => 09597693 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-03-21 [patent_title] => 'Mercaptanized dicyclopentadiene compositions and use thereof as a mining chemical collector' [patent_app_type] => utility [patent_app_number] => 15/358188 [patent_app_country] => US [patent_app_date] => 2016-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17918 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15358188 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/358188
Mercaptanized dicyclopentadiene compositions and use thereof as a mining chemical collector Nov 21, 2016 Issued
Array ( [id] => 11842925 [patent_doc_number] => 09730463 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-08-15 [patent_title] => 'Separation of components from whole stillage' [patent_app_type] => utility [patent_app_number] => 15/341922 [patent_app_country] => US [patent_app_date] => 2016-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3690 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15341922 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/341922
Separation of components from whole stillage Nov 1, 2016 Issued
Array ( [id] => 12389520 [patent_doc_number] => 09964082 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-08 [patent_title] => Diesel fuel filter for vehicle [patent_app_type] => utility [patent_app_number] => 15/334312 [patent_app_country] => US [patent_app_date] => 2016-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3170 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [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] => 15334312 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/334312
Diesel fuel filter for vehicle Oct 25, 2016 Issued
Array ( [id] => 14946543 [patent_doc_number] => 10434521 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-08 [patent_title] => Differential flotation of sulfide ores for recovering refractory gold [patent_app_type] => utility [patent_app_number] => 15/766248 [patent_app_country] => US [patent_app_date] => 2016-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3361 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15766248 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/766248
Differential flotation of sulfide ores for recovering refractory gold Oct 11, 2016 Issued
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