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] => 14624309 [patent_doc_number] => 20190225522 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-25 [patent_title] => INTEGRATED FILTRATION AND GAS FLOATATION WATER TREATMENT SYSTEM AND PROCESS [patent_app_type] => utility [patent_app_number] => 16/255335 [patent_app_country] => US [patent_app_date] => 2019-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5206 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16255335 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/255335
Integrated filtration and gas floatation water treatment system and process Jan 22, 2019 Issued
Array ( [id] => 14185439 [patent_doc_number] => 20190112424 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-18 [patent_title] => AMINE-ALDEHYDE RESINS AND USES THEREOF IN SEPARATION PROCESSES [patent_app_type] => utility [patent_app_number] => 16/216737 [patent_app_country] => US [patent_app_date] => 2018-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16648 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16216737 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/216737
AMINE-ALDEHYDE RESINS AND USES THEREOF IN SEPARATION PROCESSES Dec 10, 2018 Abandoned
Array ( [id] => 16884117 [patent_doc_number] => 20210170312 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => FILTER DEVICE [patent_app_type] => utility [patent_app_number] => 16/769296 [patent_app_country] => US [patent_app_date] => 2018-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2785 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16769296 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/769296
Filter device Nov 15, 2018 Issued
Array ( [id] => 17250402 [patent_doc_number] => 11185872 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-30 [patent_title] => Method for converting a naturally-aspirated flotation cell to a forced-gas flotation cell, and apparatus thereof [patent_app_type] => utility [patent_app_number] => 16/762783 [patent_app_country] => US [patent_app_date] => 2018-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 36 [patent_no_of_words] => 12644 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16762783 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/762783
Method for converting a naturally-aspirated flotation cell to a forced-gas flotation cell, and apparatus thereof Nov 6, 2018 Issued
Array ( [id] => 13730501 [patent_doc_number] => 20180369718 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => REMOVAL OF ORGANIC SOLVENTS FROM AQUEOUS PROCESS STREAMS [patent_app_type] => utility [patent_app_number] => 16/120727 [patent_app_country] => US [patent_app_date] => 2018-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2409 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 16120727 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/120727
Removal of organic solvents from aqueous process streams Sep 3, 2018 Issued
Array ( [id] => 16054161 [patent_doc_number] => 20200188935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => INDIRECT FLOTATION PROCESS FOR MANUFACTURING WHITE PIGMENT CONTAINING PRODUCTS [patent_app_type] => utility [patent_app_number] => 16/638911 [patent_app_country] => US [patent_app_date] => 2018-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21270 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 554 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16638911 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/638911
Indirect flotation process for manufacturing white pigment containing products Aug 7, 2018 Issued
Array ( [id] => 15052885 [patent_doc_number] => 10456721 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-29 [patent_title] => Filter device [patent_app_type] => utility [patent_app_number] => 16/049506 [patent_app_country] => US [patent_app_date] => 2018-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 1927 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16049506 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/049506
Filter device Jul 29, 2018 Issued
Array ( [id] => 13775413 [patent_doc_number] => 20190001245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-03 [patent_title] => FILTER DEVICE [patent_app_type] => utility [patent_app_number] => 16/032538 [patent_app_country] => US [patent_app_date] => 2018-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1927 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 16032538 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/032538
Filter device Jul 10, 2018 Issued
Array ( [id] => 13589613 [patent_doc_number] => 20180346355 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-06 [patent_title] => METHOD FOR TREATING INDUSTRIAL WASTE [patent_app_type] => utility [patent_app_number] => 16/027234 [patent_app_country] => US [patent_app_date] => 2018-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7600 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 16027234 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/027234
Method for treating industrial waste Jul 2, 2018 Issued
Array ( [id] => 15339649 [patent_doc_number] => 10525483 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-01-07 [patent_title] => Dissolved air flotation skimmings separation system and method [patent_app_type] => utility [patent_app_number] => 16/021896 [patent_app_country] => US [patent_app_date] => 2018-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 8383 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16021896 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/021896
Dissolved air flotation skimmings separation system and method Jun 27, 2018 Issued
Array ( [id] => 13477077 [patent_doc_number] => 20180290081 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-11 [patent_title] => Filter Pad [patent_app_type] => utility [patent_app_number] => 16/009740 [patent_app_country] => US [patent_app_date] => 2018-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3990 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16009740 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/009740
Filter pad Jun 14, 2018 Issued
Array ( [id] => 16168480 [patent_doc_number] => 10710020 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-14 [patent_title] => Processes for gas separation by solvent or absorbent [patent_app_type] => utility [patent_app_number] => 16/007437 [patent_app_country] => US [patent_app_date] => 2018-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2802 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16007437 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/007437
Processes for gas separation by solvent or absorbent Jun 12, 2018 Issued
Array ( [id] => 13477083 [patent_doc_number] => 20180290084 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-11 [patent_title] => Installation of Correct Filter Cartridge in Fluid Filter Assembly Before Allowing Assembly to Be Completed [patent_app_type] => utility [patent_app_number] => 16/002478 [patent_app_country] => US [patent_app_date] => 2018-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4123 [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] => 16002478 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/002478
Installation of correct filter cartridge in fluid filter assembly before allowing assembly to be completed Jun 6, 2018 Issued
Array ( [id] => 13443743 [patent_doc_number] => 20180273414 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-27 [patent_title] => Dissolved Air Flotation System [patent_app_type] => utility [patent_app_number] => 15/991770 [patent_app_country] => US [patent_app_date] => 2018-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5675 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 15991770 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/991770
Dissolved Air Flotation System May 28, 2018 Abandoned
Array ( [id] => 13587497 [patent_doc_number] => 20180345297 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-06 [patent_title] => COMPOSITIONS AND METHODS FOR REVERSE FROTH FLOTATION OF PHOSPHATE ORES [patent_app_type] => utility [patent_app_number] => 15/989283 [patent_app_country] => US [patent_app_date] => 2018-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11797 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15989283 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/989283
Compositions and methods for reverse froth flotation of phosphate ores May 24, 2018 Issued
Array ( [id] => 17286506 [patent_doc_number] => 11203044 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-21 [patent_title] => Beneficiation of values from ores with a heap leach process [patent_app_type] => utility [patent_app_number] => 15/980462 [patent_app_country] => US [patent_app_date] => 2018-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5295 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15980462 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/980462
Beneficiation of values from ores with a heap leach process May 14, 2018 Issued
Array ( [id] => 17905414 [patent_doc_number] => 11459257 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-10-04 [patent_title] => Method of treating a liquid with nanobubbles [patent_app_type] => utility [patent_app_number] => 15/977311 [patent_app_country] => US [patent_app_date] => 2018-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1530 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15977311 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/977311
Method of treating a liquid with nanobubbles May 10, 2018 Issued
Array ( [id] => 16627748 [patent_doc_number] => 20210046401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-18 [patent_title] => NanoGas Shear Processing [patent_app_type] => utility [patent_app_number] => 16/070940 [patent_app_country] => US [patent_app_date] => 2018-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6729 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16070940 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/070940
Nanogas shear processing Apr 25, 2018 Issued
Array ( [id] => 13490807 [patent_doc_number] => 20180296946 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-18 [patent_title] => System and Method for Foam Fractionation [patent_app_type] => utility [patent_app_number] => 15/955816 [patent_app_country] => US [patent_app_date] => 2018-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5410 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15955816 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/955816
System and Method for Foam Fractionation Apr 17, 2018 Abandoned
Array ( [id] => 17134057 [patent_doc_number] => 11135597 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-05 [patent_title] => Method and system for releasing mineral from synthetic bubbles and beads [patent_app_type] => utility [patent_app_number] => 15/951656 [patent_app_country] => US [patent_app_date] => 2018-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 28 [patent_no_of_words] => 13214 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15951656 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/951656
Method and system for releasing mineral from synthetic bubbles and beads Apr 11, 2018 Issued
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