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] => 14041309 [patent_doc_number] => 20190076761 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-14 [patent_title] => FILTER ASSEMBLY AND WIPER THEREFOR AND METHOD OF MAKING SAME [patent_app_type] => utility [patent_app_number] => 15/700244 [patent_app_country] => US [patent_app_date] => 2017-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2464 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15700244 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/700244
FILTER ASSEMBLY AND WIPER THEREFOR AND METHOD OF MAKING SAME Sep 10, 2017 Abandoned
Array ( [id] => 13715047 [patent_doc_number] => 20170368478 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-28 [patent_title] => METHOD FOR SEPARATING A FEED MATERIAL CONTAINING IMMISCIBLE PHASES OF DIFFERENT DENSITIES [patent_app_type] => utility [patent_app_number] => 15/701213 [patent_app_country] => US [patent_app_date] => 2017-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4657 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15701213 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/701213
Method for separating a feed material containing immiscible phases of different densities Sep 10, 2017 Issued
Array ( [id] => 14018691 [patent_doc_number] => 20190071339 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-07 [patent_title] => APPARATUS AND METHODS FOR TREATING WASTEWATER [patent_app_type] => utility [patent_app_number] => 15/693766 [patent_app_country] => US [patent_app_date] => 2017-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4967 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15693766 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/693766
Apparatus and methods for treating wastewater Aug 31, 2017 Issued
Array ( [id] => 16735745 [patent_doc_number] => 10961382 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-30 [patent_title] => Sulfonated modifiers for froth flotation [patent_app_type] => utility [patent_app_number] => 15/686757 [patent_app_country] => US [patent_app_date] => 2017-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 9743 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15686757 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/686757
Sulfonated modifiers for froth flotation Aug 24, 2017 Issued
Array ( [id] => 16650084 [patent_doc_number] => 10927248 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-23 [patent_title] => Sulfonated modifiers for froth flotation [patent_app_type] => utility [patent_app_number] => 15/686732 [patent_app_country] => US [patent_app_date] => 2017-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 11911 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15686732 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/686732
Sulfonated modifiers for froth flotation Aug 24, 2017 Issued
Array ( [id] => 13035791 [patent_doc_number] => 10040010 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-08-07 [patent_title] => Oil filter content retention device [patent_app_type] => utility [patent_app_number] => 15/680825 [patent_app_country] => US [patent_app_date] => 2017-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2397 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [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] => 15680825 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/680825
Oil filter content retention device Aug 17, 2017 Issued
Array ( [id] => 14946541 [patent_doc_number] => 10434520 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-08 [patent_title] => Collector for beneficiating carbonaceous phosphate ores [patent_app_type] => utility [patent_app_number] => 15/672891 [patent_app_country] => US [patent_app_date] => 2017-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3637 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15672891 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/672891
Collector for beneficiating carbonaceous phosphate ores Aug 8, 2017 Issued
Array ( [id] => 13777537 [patent_doc_number] => 20190002307 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-03 [patent_title] => A Protein Separation Structure [patent_app_type] => utility [patent_app_number] => 15/741295 [patent_app_country] => US [patent_app_date] => 2017-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2465 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15741295 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/741295
A Protein Separation Structure Aug 7, 2017 Abandoned
Array ( [id] => 16304418 [patent_doc_number] => 10773191 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-15 [patent_title] => Filter assembly [patent_app_type] => utility [patent_app_number] => 15/667008 [patent_app_country] => US [patent_app_date] => 2017-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 6122 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15667008 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/667008
Filter assembly Aug 1, 2017 Issued
Array ( [id] => 12177807 [patent_doc_number] => 20180036743 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-08 [patent_title] => 'Processes for Mineral Ore Flotation in the Presence of Multivalent Metal Ions' [patent_app_type] => utility [patent_app_number] => 15/665994 [patent_app_country] => US [patent_app_date] => 2017-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 12876 [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] => 15665994 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/665994
Processes for Mineral Ore Flotation in the Presence of Multivalent Metal Ions Jul 31, 2017 Abandoned
Array ( [id] => 12150443 [patent_doc_number] => 20180021707 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-25 [patent_title] => 'Housing Module of a Fluid Treatment Module and Fluid Treatment Module' [patent_app_type] => utility [patent_app_number] => 15/654347 [patent_app_country] => US [patent_app_date] => 2017-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5902 [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] => 15654347 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/654347
Housing module of a fluid treatment module and fluid treatment module Jul 18, 2017 Issued
Array ( [id] => 15829421 [patent_doc_number] => 20200129992 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-30 [patent_title] => A FROTH FLOTATION ARRANGEMENT AND A FROTH FLOTATION METHOD [patent_app_type] => utility [patent_app_number] => 16/626380 [patent_app_country] => US [patent_app_date] => 2017-07-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3670 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 16626380 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/626380
Froth flotation arrangement and a froth flotation method Jul 3, 2017 Issued
Array ( [id] => 12117648 [patent_doc_number] => 20180001234 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-04 [patent_title] => 'Removal System and Removal Aid for a Separating Element' [patent_app_type] => utility [patent_app_number] => 15/635863 [patent_app_country] => US [patent_app_date] => 2017-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6273 [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] => 15635863 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/635863
Removal system and removal aid for a separating element Jun 27, 2017 Issued
Array ( [id] => 12406047 [patent_doc_number] => 09968945 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-05-15 [patent_title] => Maximise the value of a sulphide ore resource through sequential waste rejection [patent_app_type] => utility [patent_app_number] => 15/631137 [patent_app_country] => US [patent_app_date] => 2017-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5856 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15631137 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/631137
Maximise the value of a sulphide ore resource through sequential waste rejection Jun 22, 2017 Issued
Array ( [id] => 16649048 [patent_doc_number] => 10926205 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-23 [patent_title] => Cast filter assembly-modular design [patent_app_type] => utility [patent_app_number] => 15/627611 [patent_app_country] => US [patent_app_date] => 2017-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 3640 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15627611 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/627611
Cast filter assembly-modular design Jun 19, 2017 Issued
Array ( [id] => 16634529 [patent_doc_number] => 10913018 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-09 [patent_title] => Spring biased filter element [patent_app_type] => utility [patent_app_number] => 15/613436 [patent_app_country] => US [patent_app_date] => 2017-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2652 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15613436 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/613436
Spring biased filter element Jun 4, 2017 Issued
Array ( [id] => 16026323 [patent_doc_number] => 10675563 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-09 [patent_title] => Filter element and filter device [patent_app_type] => utility [patent_app_number] => 15/611321 [patent_app_country] => US [patent_app_date] => 2017-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4026 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15611321 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/611321
Filter element and filter device May 31, 2017 Issued
Array ( [id] => 12425667 [patent_doc_number] => 09975060 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-22 [patent_title] => Liquid purification system [patent_app_type] => utility [patent_app_number] => 15/607262 [patent_app_country] => US [patent_app_date] => 2017-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7107 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15607262 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/607262
Liquid purification system May 25, 2017 Issued
Array ( [id] => 13035977 [patent_doc_number] => 10040104 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-08-07 [patent_title] => Soil remediation facility and soil remediation method using the same [patent_app_type] => utility [patent_app_number] => 15/598403 [patent_app_country] => US [patent_app_date] => 2017-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 11139 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15598403 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/598403
Soil remediation facility and soil remediation method using the same May 17, 2017 Issued
Array ( [id] => 16260263 [patent_doc_number] => 10751673 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-25 [patent_title] => Aerating lance assembly and aeration tank incorporating same [patent_app_type] => utility [patent_app_number] => 16/300034 [patent_app_country] => US [patent_app_date] => 2017-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7038 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 336 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16300034 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/300034
Aerating lance assembly and aeration tank incorporating same May 8, 2017 Issued
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