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] => 5400964 [patent_doc_number] => 20090236277 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-09-24 [patent_title] => 'Modular Drinking Water Filtration System with Internal Sealing Between Valve Spindle and Head' [patent_app_type] => utility [patent_app_number] => 12/052850 [patent_app_country] => US [patent_app_date] => 2008-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 29 [patent_no_of_words] => 13264 [patent_no_of_claims] => 4 [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] => publications/A1/0236/20090236277.pdf [firstpage_image] =>[orig_patent_app_number] => 12052850 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/052850
Modular Drinking Water Filtration System with Internal Sealing Between Valve Spindle and Head Mar 20, 2008 Abandoned
Array ( [id] => 10044616 [patent_doc_number] => 09085000 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-07-21 [patent_title] => 'Method and apparatus for flotation in a fluidized bed' [patent_app_type] => utility [patent_app_number] => 12/528531 [patent_app_country] => US [patent_app_date] => 2008-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 7293 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12528531 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/528531
Method and apparatus for flotation in a fluidized bed Feb 25, 2008 Issued
Array ( [id] => 8801804 [patent_doc_number] => 08440076 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-05-14 [patent_title] => 'Dissolved air flotation unit' [patent_app_type] => utility [patent_app_number] => 12/596273 [patent_app_country] => US [patent_app_date] => 2008-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3479 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 309 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12596273 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/596273
Dissolved air flotation unit Feb 19, 2008 Issued
Array ( [id] => 4810228 [patent_doc_number] => 20080190859 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-08-14 [patent_title] => 'Method for Recovering Suspended Solids from Residual Effluents' [patent_app_type] => utility [patent_app_number] => 12/028804 [patent_app_country] => US [patent_app_date] => 2008-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2438 [patent_no_of_claims] => 14 [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] => publications/A1/0190/20080190859.pdf [firstpage_image] =>[orig_patent_app_number] => 12028804 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/028804
Method for recovering suspended solids from residual effluents Feb 8, 2008 Issued
Array ( [id] => 4952293 [patent_doc_number] => 20080185317 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-08-07 [patent_title] => 'NOVEL DITHIOCARBAMATE COLLECTORS AND THEIR USE IN THE BENEFICIATION OF MINERAL ORE BODIES' [patent_app_type] => utility [patent_app_number] => 12/027334 [patent_app_country] => US [patent_app_date] => 2008-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6990 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0185/20080185317.pdf [firstpage_image] =>[orig_patent_app_number] => 12027334 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/027334
Dithiocarbamate collectors and their use in the beneficiation of mineral ore bodies Feb 6, 2008 Issued
Array ( [id] => 4723362 [patent_doc_number] => 20080203005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-08-28 [patent_title] => 'WATER FILTER DEVICE FOR USE WITH INDIVIDUAL CONTAINERS' [patent_app_type] => utility [patent_app_number] => 12/020177 [patent_app_country] => US [patent_app_date] => 2008-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2159 [patent_no_of_claims] => 5 [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] => publications/A1/0203/20080203005.pdf [firstpage_image] =>[orig_patent_app_number] => 12020177 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/020177
Water filter device for use with individual containers Jan 24, 2008 Issued
Array ( [id] => 5352719 [patent_doc_number] => 20090184063 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-07-23 [patent_title] => 'MINIMAL RESIDUAL LIQUID RETENTION FILTER HOUSING' [patent_app_type] => utility [patent_app_number] => 12/016838 [patent_app_country] => US [patent_app_date] => 2008-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 4354 [patent_no_of_claims] => 17 [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] => publications/A1/0184/20090184063.pdf [firstpage_image] =>[orig_patent_app_number] => 12016838 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/016838
Minimal residual liquid retention filter housing Jan 17, 2008 Issued
Array ( [id] => 8895116 [patent_doc_number] => 08474627 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-07-02 [patent_title] => 'Process for the flotation of non-sulfidic minerals and ores' [patent_app_type] => utility [patent_app_number] => 12/524710 [patent_app_country] => US [patent_app_date] => 2008-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5536 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12524710 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/524710
Process for the flotation of non-sulfidic minerals and ores Jan 16, 2008 Issued
Array ( [id] => 9138665 [patent_doc_number] => 08579119 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-11-12 [patent_title] => 'Backwash filter' [patent_app_type] => utility [patent_app_number] => 12/522992 [patent_app_country] => US [patent_app_date] => 2008-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 3676 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12522992 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/522992
Backwash filter Jan 16, 2008 Issued
Array ( [id] => 13263885 [patent_doc_number] => 10144012 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-12-04 [patent_title] => Methods of increasing flotation rate [patent_app_type] => utility [patent_app_number] => 12/013586 [patent_app_country] => US [patent_app_date] => 2008-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6009 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12013586 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/013586
Methods of increasing flotation rate Jan 13, 2008 Issued
Array ( [id] => 4901403 [patent_doc_number] => 20080110815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-15 [patent_title] => 'Fluid Filter Element' [patent_app_type] => utility [patent_app_number] => 12/013540 [patent_app_country] => US [patent_app_date] => 2008-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3815 [patent_no_of_claims] => 10 [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] => publications/A1/0110/20080110815.pdf [firstpage_image] =>[orig_patent_app_number] => 12013540 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/013540
Fluid filter element Jan 13, 2008 Issued
Array ( [id] => 6466199 [patent_doc_number] => 20100040528 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-18 [patent_title] => 'PROCESS OF PURIFICATION OF MINERALS BASED ON CALCIUM CARBONATE BY FLOTATION IN THE PRESENCE OF QUATENARY IMIDAZOLIUM METHOSULFATE' [patent_app_type] => utility [patent_app_number] => 12/448700 [patent_app_country] => US [patent_app_date] => 2008-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4739 [patent_no_of_claims] => 32 [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] => publications/A1/0040/20100040528.pdf [firstpage_image] =>[orig_patent_app_number] => 12448700 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/448700
Process of purification of minerals based on calcium carbonate by flotation in the presence of quaternary imidazolium methosulfate Jan 10, 2008 Issued
Array ( [id] => 4876161 [patent_doc_number] => 20080149543 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-26 [patent_title] => 'DEVELOPING APPARATUS' [patent_app_type] => utility [patent_app_number] => 11/963806 [patent_app_country] => US [patent_app_date] => 2007-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8186 [patent_no_of_claims] => 5 [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] => publications/A1/0149/20080149543.pdf [firstpage_image] =>[orig_patent_app_number] => 11963806 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/963806
DEVELOPING APPARATUS Dec 21, 2007 Abandoned
Array ( [id] => 4775461 [patent_doc_number] => 20080283459 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-11-20 [patent_title] => 'PURIFICATION CARRIER INPUT STRUCTURE OF A SEWAGE SCUM REMOVING UNIT' [patent_app_type] => utility [patent_app_number] => 11/962876 [patent_app_country] => US [patent_app_date] => 2007-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1650 [patent_no_of_claims] => 39 [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] => publications/A1/0283/20080283459.pdf [firstpage_image] =>[orig_patent_app_number] => 11962876 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/962876
PURIFICATION CARRIER INPUT STRUCTURE OF A SEWAGE SCUM REMOVING UNIT Dec 20, 2007 Abandoned
Array ( [id] => 4842824 [patent_doc_number] => 20080179232 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-31 [patent_title] => 'SEWAGE FLOATING/DECONTAMINATING TANK STRUCTURE' [patent_app_type] => utility [patent_app_number] => 11/958269 [patent_app_country] => US [patent_app_date] => 2007-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1640 [patent_no_of_claims] => 27 [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] => publications/A1/0179/20080179232.pdf [firstpage_image] =>[orig_patent_app_number] => 11958269 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/958269
SEWAGE FLOATING/DECONTAMINATING TANK STRUCTURE Dec 16, 2007 Abandoned
Array ( [id] => 4552473 [patent_doc_number] => 07837891 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-11-23 [patent_title] => 'Fatty acid by-products and methods of using same' [patent_app_type] => utility [patent_app_number] => 11/957009 [patent_app_country] => US [patent_app_date] => 2007-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3931 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/837/07837891.pdf [firstpage_image] =>[orig_patent_app_number] => 11957009 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/957009
Fatty acid by-products and methods of using same Dec 13, 2007 Issued
Array ( [id] => 277661 [patent_doc_number] => 07556732 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-07-07 [patent_title] => 'Must clarification machine' [patent_app_type] => utility [patent_app_number] => 11/953500 [patent_app_country] => US [patent_app_date] => 2007-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 1914 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/556/07556732.pdf [firstpage_image] =>[orig_patent_app_number] => 11953500 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/953500
Must clarification machine Dec 9, 2007 Issued
Array ( [id] => 8908851 [patent_doc_number] => 08480907 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-07-09 [patent_title] => 'Method for the floatation-clarification of difficult water and facility for implementing same' [patent_app_type] => utility [patent_app_number] => 12/519026 [patent_app_country] => US [patent_app_date] => 2007-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 3281 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12519026 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/519026
Method for the floatation-clarification of difficult water and facility for implementing same Dec 3, 2007 Issued
Array ( [id] => 8908836 [patent_doc_number] => 08480892 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-07-09 [patent_title] => 'Oil filter, oil separator and filter insert thereof' [patent_app_type] => utility [patent_app_number] => 12/515546 [patent_app_country] => US [patent_app_date] => 2007-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 3691 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [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] => 12515546 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/515546
Oil filter, oil separator and filter insert thereof Dec 3, 2007 Issued
Array ( [id] => 6600738 [patent_doc_number] => 20100170842 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-08 [patent_title] => 'Exchangeable Filter Insert' [patent_app_type] => utility [patent_app_number] => 12/516059 [patent_app_country] => US [patent_app_date] => 2007-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3426 [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] => publications/A1/0170/20100170842.pdf [firstpage_image] =>[orig_patent_app_number] => 12516059 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/516059
Exchangeable filter insert Nov 28, 2007 Issued
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