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] => 13340505 [patent_doc_number] => 20180221792 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-09 [patent_title] => CONNECTION-FREE FILTER CAPSULE APPARATUS [patent_app_type] => utility [patent_app_number] => 15/944742 [patent_app_country] => US [patent_app_date] => 2018-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22032 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15944742 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/944742
Connection-free filter capsule apparatus Apr 2, 2018 Issued
Array ( [id] => 13443741 [patent_doc_number] => 20180273413 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-27 [patent_title] => WASTEWATER DETOXIFICATION METHOD AND SYSTEM [patent_app_type] => utility [patent_app_number] => 15/933116 [patent_app_country] => US [patent_app_date] => 2018-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6525 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15933116 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/933116
Wastewater detoxification method and system Mar 21, 2018 Issued
Array ( [id] => 13411093 [patent_doc_number] => 20180257089 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-13 [patent_title] => Recovery of Molybdenum Using Sodium Metabisulfite and a Thiocarbonate Depressant [patent_app_type] => utility [patent_app_number] => 15/908992 [patent_app_country] => US [patent_app_date] => 2018-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8509 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15908992 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/908992
Recovery of molybdenum using sodium metabisulfite and a thiocarbonate depressant Feb 28, 2018 Issued
Array ( [id] => 16109453 [patent_doc_number] => 20200206749 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-02 [patent_title] => HIGH INTENSITY CONDITIONING PRIOR TO ENHANCED MINERAL SEPARATION PROCESS [patent_app_type] => utility [patent_app_number] => 16/552651 [patent_app_country] => US [patent_app_date] => 2018-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19014 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16552651 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/552651
High intensity conditioning prior to enhanced mineral separation process Feb 27, 2018 Issued
Array ( [id] => 14818953 [patent_doc_number] => 10406462 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-10 [patent_title] => Filter device [patent_app_type] => utility [patent_app_number] => 15/890685 [patent_app_country] => US [patent_app_date] => 2018-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3117 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15890685 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/890685
Filter device Feb 6, 2018 Issued
Array ( [id] => 13342481 [patent_doc_number] => 20180222780 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-09 [patent_title] => METHOD OF TREATING WATER USING FOAM FRACTIONATION [patent_app_type] => utility [patent_app_number] => 15/891053 [patent_app_country] => US [patent_app_date] => 2018-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3891 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15891053 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/891053
METHOD OF TREATING WATER USING FOAM FRACTIONATION Feb 6, 2018 Abandoned
Array ( [id] => 12725380 [patent_doc_number] => 20180133627 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-17 [patent_title] => NO FILTER NO RUN FLUID FILTRATION SYSTEM [patent_app_type] => utility [patent_app_number] => 15/864632 [patent_app_country] => US [patent_app_date] => 2018-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3714 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15864632 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/864632
No filter no run fluid filtration system Jan 7, 2018 Issued
Array ( [id] => 14565191 [patent_doc_number] => 20190210202 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-11 [patent_title] => FLUID FILTER REMOVAL DEVICE AND METHOD OF USE [patent_app_type] => utility [patent_app_number] => 15/865080 [patent_app_country] => US [patent_app_date] => 2018-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4000 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15865080 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/865080
Fluid filter removal device and method of use Jan 7, 2018 Issued
Array ( [id] => 14699819 [patent_doc_number] => 10377641 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-13 [patent_title] => Gas flotation tank [patent_app_type] => utility [patent_app_number] => 15/862901 [patent_app_country] => US [patent_app_date] => 2018-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 5353 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 304 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15862901 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/862901
Gas flotation tank Jan 4, 2018 Issued
Array ( [id] => 12677029 [patent_doc_number] => 20180117509 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-03 [patent_title] => FILTER APPARATUS WITH EJECTION ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 15/854548 [patent_app_country] => US [patent_app_date] => 2017-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6073 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 15854548 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/854548
Filter apparatus with ejection arrangement Dec 25, 2017 Issued
Array ( [id] => 16842034 [patent_doc_number] => 11014097 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-25 [patent_title] => Functionalized silicones for froth flotation [patent_app_type] => utility [patent_app_number] => 15/840928 [patent_app_country] => US [patent_app_date] => 2017-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 12065 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15840928 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/840928
Functionalized silicones for froth flotation Dec 12, 2017 Issued
Array ( [id] => 16229669 [patent_doc_number] => 10737201 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-11 [patent_title] => Filter system and filter element [patent_app_type] => utility [patent_app_number] => 15/833407 [patent_app_country] => US [patent_app_date] => 2017-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 7726 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 332 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15833407 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/833407
Filter system and filter element Dec 5, 2017 Issued
Array ( [id] => 14962825 [patent_doc_number] => 20190308890 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-10 [patent_title] => System and Method for Treatment of Wastewater via Enhanced Electroflotation [patent_app_type] => utility [patent_app_number] => 16/346779 [patent_app_country] => US [patent_app_date] => 2017-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7223 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16346779 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/346779
System and method for treatment of wastewater via enhanced electroflotation Oct 30, 2017 Issued
Array ( [id] => 17088968 [patent_doc_number] => 11117141 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-14 [patent_title] => Mineral separation using sized-, weight- or magnetic-based polymer bubbles or beads [patent_app_type] => utility [patent_app_number] => 15/794327 [patent_app_country] => US [patent_app_date] => 2017-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 10819 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15794327 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/794327
Mineral separation using sized-, weight- or magnetic-based polymer bubbles or beads Oct 25, 2017 Issued
Array ( [id] => 17938282 [patent_doc_number] => 11472723 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-18 [patent_title] => Method for removing heavy metals from an aqueous solution [patent_app_type] => utility [patent_app_number] => 16/343233 [patent_app_country] => US [patent_app_date] => 2017-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9170 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16343233 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/343233
Method for removing heavy metals from an aqueous solution Oct 19, 2017 Issued
Array ( [id] => 17392710 [patent_doc_number] => 11241700 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-08 [patent_title] => Non-flotation based recovery of mineral bearing ore using hydrophobic particle collection in a pipeline section [patent_app_type] => utility [patent_app_number] => 16/339836 [patent_app_country] => US [patent_app_date] => 2017-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 18 [patent_no_of_words] => 7880 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16339836 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/339836
Non-flotation based recovery of mineral bearing ore using hydrophobic particle collection in a pipeline section Oct 9, 2017 Issued
Array ( [id] => 12622389 [patent_doc_number] => 20180099293 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-04-12 [patent_title] => COMPOSITIONS AND METHODS FOR SELECTIVE SEPARATION OF MINERALS FROM SULFIDE ORES [patent_app_type] => utility [patent_app_number] => 15/726810 [patent_app_country] => US [patent_app_date] => 2017-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13764 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 342 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15726810 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/726810
Compositions and methods for selective separation of minerals from sulfide ores Oct 5, 2017 Issued
Array ( [id] => 16755725 [patent_doc_number] => 10974257 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-13 [patent_title] => Hybrid-flotation recovery of mineral bearing ores [patent_app_type] => utility [patent_app_number] => 16/339475 [patent_app_country] => US [patent_app_date] => 2017-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 20 [patent_no_of_words] => 7430 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16339475 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/339475
Hybrid-flotation recovery of mineral bearing ores Oct 3, 2017 Issued
Array ( [id] => 16956321 [patent_doc_number] => 11060165 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-13 [patent_title] => Separation of copper and molybdenum sulfides from pyrite using a sea water/desalinated water hybrid process [patent_app_type] => utility [patent_app_number] => 16/339546 [patent_app_country] => US [patent_app_date] => 2017-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 20 [patent_no_of_words] => 9887 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 516 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16339546 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/339546
Separation of copper and molybdenum sulfides from pyrite using a sea water/desalinated water hybrid process Oct 3, 2017 Issued
Array ( [id] => 12259757 [patent_doc_number] => 20180078951 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-22 [patent_title] => 'Agglomerated Hemicellulose Compositions, Methods of Preparation Thereof, and Processes for Enriching a Desired Mineral from an Ore' [patent_app_type] => utility [patent_app_number] => 15/707255 [patent_app_country] => US [patent_app_date] => 2017-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 14945 [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] => 15707255 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/707255
Agglomerated hemicellulose compositions, methods of preparation thereof, and processes for enriching a desired mineral from an ore Sep 17, 2017 Issued
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