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] => 6356437 [patent_doc_number] => 20100078376 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-01 [patent_title] => 'DEWATERING STRUCTURE' [patent_app_type] => utility [patent_app_number] => 12/477331 [patent_app_country] => US [patent_app_date] => 2009-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 3528 [patent_no_of_claims] => 7 [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/A1/0078/20100078376.pdf [firstpage_image] =>[orig_patent_app_number] => 12477331 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/477331
DEWATERING STRUCTURE Jun 2, 2009 Abandoned
Array ( [id] => 8175921 [patent_doc_number] => 08177972 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-05-15 [patent_title] => 'Adapter for fastening a filter element' [patent_app_type] => utility [patent_app_number] => 12/999361 [patent_app_country] => US [patent_app_date] => 2009-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2630 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/177/08177972.pdf [firstpage_image] =>[orig_patent_app_number] => 12999361 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/999361
Adapter for fastening a filter element May 26, 2009 Issued
Array ( [id] => 7814678 [patent_doc_number] => 20120061298 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-15 [patent_title] => 'IMPROVED METHOD AND APPARATUS FOR FROTH FLOTATION IN A VESSEL WITH AGITATION' [patent_app_type] => utility [patent_app_number] => 13/321667 [patent_app_country] => US [patent_app_date] => 2009-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6654 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0061/20120061298.pdf [firstpage_image] =>[orig_patent_app_number] => 13321667 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/321667
IMPROVED METHOD AND APPARATUS FOR FROTH FLOTATION IN A VESSEL WITH AGITATION May 25, 2009 Abandoned
Array ( [id] => 181686 [patent_doc_number] => 07651620 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-01-26 [patent_title] => 'Pressurised water releasing nozzle for generating microbubbles in a flotation plant' [patent_app_type] => utility [patent_app_number] => 12/465868 [patent_app_country] => US [patent_app_date] => 2009-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3403 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 316 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/651/07651620.pdf [firstpage_image] =>[orig_patent_app_number] => 12465868 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/465868
Pressurised water releasing nozzle for generating microbubbles in a flotation plant May 13, 2009 Issued
Array ( [id] => 5487931 [patent_doc_number] => 20090289002 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-11-26 [patent_title] => 'Combined degassing and floatation tank' [patent_app_type] => utility [patent_app_number] => 12/453332 [patent_app_country] => US [patent_app_date] => 2009-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4706 [patent_no_of_claims] => 22 [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/A1/0289/20090289002.pdf [firstpage_image] =>[orig_patent_app_number] => 12453332 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/453332
Combined degassing and floatation tank May 6, 2009 Issued
Array ( [id] => 4643943 [patent_doc_number] => 08021546 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-09-20 [patent_title] => 'Screen clamp' [patent_app_type] => utility [patent_app_number] => 12/387387 [patent_app_country] => US [patent_app_date] => 2009-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 771 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/021/08021546.pdf [firstpage_image] =>[orig_patent_app_number] => 12387387 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/387387
Screen clamp Apr 30, 2009 Issued
Array ( [id] => 6586107 [patent_doc_number] => 20100000929 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-01-07 [patent_title] => 'System comprising a fluid treatment module and a support structure' [patent_app_type] => utility [patent_app_number] => 12/387422 [patent_app_country] => US [patent_app_date] => 2009-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5032 [patent_no_of_claims] => 19 [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/A1/0000/20100000929.pdf [firstpage_image] =>[orig_patent_app_number] => 12387422 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/387422
System comprising a fluid treatment module and a support structure Apr 30, 2009 Abandoned
Array ( [id] => 5487932 [patent_doc_number] => 20090289003 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-11-26 [patent_title] => 'Water treatment apparatus with easy filter replacement construction' [patent_app_type] => utility [patent_app_number] => 12/453072 [patent_app_country] => US [patent_app_date] => 2009-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2283 [patent_no_of_claims] => 9 [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/A1/0289/20090289003.pdf [firstpage_image] =>[orig_patent_app_number] => 12453072 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/453072
Water treatment apparatus with easy filter replacement construction Apr 28, 2009 Issued
Array ( [id] => 6528972 [patent_doc_number] => 20100270244 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-10-28 [patent_title] => 'Method and Apparatus for Skimming Floated Sludge' [patent_app_type] => utility [patent_app_number] => 12/429022 [patent_app_country] => US [patent_app_date] => 2009-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8264 [patent_no_of_claims] => 21 [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/A1/0270/20100270244.pdf [firstpage_image] =>[orig_patent_app_number] => 12429022 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/429022
Method and apparatus for skimming floated sludge Apr 22, 2009 Issued
Array ( [id] => 5352701 [patent_doc_number] => 20090184045 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-07-23 [patent_title] => 'Fluid Filter Element' [patent_app_type] => utility [patent_app_number] => 12/416758 [patent_app_country] => US [patent_app_date] => 2009-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 7549 [patent_no_of_claims] => 16 [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/A1/0184/20090184045.pdf [firstpage_image] =>[orig_patent_app_number] => 12416758 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/416758
Fluid filter element Mar 31, 2009 Issued
Array ( [id] => 5529443 [patent_doc_number] => 20090229231 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-09-17 [patent_title] => 'AIRCRAFT FILTER DEVICE WITH THE FILTER BEING STOPPED IN ROTATION' [patent_app_type] => utility [patent_app_number] => 12/401177 [patent_app_country] => US [patent_app_date] => 2009-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2507 [patent_no_of_claims] => 3 [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/A1/0229/20090229231.pdf [firstpage_image] =>[orig_patent_app_number] => 12401177 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/401177
AIRCRAFT FILTER DEVICE WITH THE FILTER BEING STOPPED IN ROTATION Mar 9, 2009 Abandoned
Array ( [id] => 196040 [patent_doc_number] => 07638046 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-12-29 [patent_title] => 'Cartridge filter for aircraft' [patent_app_type] => utility [patent_app_number] => 12/400365 [patent_app_country] => US [patent_app_date] => 2009-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2412 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/638/07638046.pdf [firstpage_image] =>[orig_patent_app_number] => 12400365 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/400365
Cartridge filter for aircraft Mar 8, 2009 Issued
Array ( [id] => 181679 [patent_doc_number] => 07651613 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-01-26 [patent_title] => 'Aircraft filter device with a member for keying and driving the cartridge' [patent_app_type] => utility [patent_app_number] => 12/400289 [patent_app_country] => US [patent_app_date] => 2009-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2312 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/651/07651613.pdf [firstpage_image] =>[orig_patent_app_number] => 12400289 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/400289
Aircraft filter device with a member for keying and driving the cartridge Mar 8, 2009 Issued
Array ( [id] => 6020351 [patent_doc_number] => 20110049036 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-03-03 [patent_title] => 'RETAINING DEVICE, ESPECIALLY FOR FLAT ROOF DRAINS' [patent_app_type] => utility [patent_app_number] => 12/919372 [patent_app_country] => US [patent_app_date] => 2009-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1746 [patent_no_of_claims] => 7 [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/A1/0049/20110049036.pdf [firstpage_image] =>[orig_patent_app_number] => 12919372 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/919372
Retaining device, especially for flat roof drains Feb 24, 2009 Issued
Array ( [id] => 6192589 [patent_doc_number] => 20110024343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-03 [patent_title] => 'METHOD AND DEVICE FOR CONNECTING FILTER CARTRIDGE TO FILTER COVER BY USING INTERMEDIARY ELEMENT' [patent_app_type] => utility [patent_app_number] => 12/736200 [patent_app_country] => US [patent_app_date] => 2009-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3876 [patent_no_of_claims] => 9 [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/A1/0024/20110024343.pdf [firstpage_image] =>[orig_patent_app_number] => 12736200 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/736200
METHOD AND DEVICE FOR CONNECTING FILTER CARTRIDGE TO FILTER COVER BY USING INTERMEDIARY ELEMENT Feb 11, 2009 Abandoned
Array ( [id] => 8316237 [patent_doc_number] => 08231008 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-07-31 [patent_title] => 'Column flotation cell for enhanced recovery of minerals such as phosphates by froth flotation' [patent_app_type] => utility [patent_app_number] => 12/370286 [patent_app_country] => US [patent_app_date] => 2009-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7230 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12370286 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/370286
Column flotation cell for enhanced recovery of minerals such as phosphates by froth flotation Feb 11, 2009 Issued
Array ( [id] => 32264 [patent_doc_number] => 07785476 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-08-31 [patent_title] => 'Protein skimmer with stationary fan' [patent_app_type] => utility [patent_app_number] => 12/378160 [patent_app_country] => US [patent_app_date] => 2009-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 2206 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/785/07785476.pdf [firstpage_image] =>[orig_patent_app_number] => 12378160 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/378160
Protein skimmer with stationary fan Feb 9, 2009 Issued
Array ( [id] => 10887629 [patent_doc_number] => 08911621 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-12-16 [patent_title] => 'Filter screen and integrated valve with a filter screen' [patent_app_type] => utility [patent_app_number] => 12/921469 [patent_app_country] => US [patent_app_date] => 2009-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3565 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12921469 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/921469
Filter screen and integrated valve with a filter screen Feb 6, 2009 Issued
Array ( [id] => 10594320 [patent_doc_number] => 09315394 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-04-19 [patent_title] => 'Method and apparatus for separation of multiphase fluids, and applications thereof' [patent_app_type] => utility [patent_app_number] => 12/865423 [patent_app_country] => US [patent_app_date] => 2009-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 6033 [patent_no_of_claims] => 18 [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] => 12865423 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/865423
Method and apparatus for separation of multiphase fluids, and applications thereof Feb 1, 2009 Issued
Array ( [id] => 4566326 [patent_doc_number] => 07854328 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-12-21 [patent_title] => 'Filter cartridge for a reversible flow filter' [patent_app_type] => utility [patent_app_number] => 12/357832 [patent_app_country] => US [patent_app_date] => 2009-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3712 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/854/07854328.pdf [firstpage_image] =>[orig_patent_app_number] => 12357832 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/357832
Filter cartridge for a reversible flow filter Jan 21, 2009 Issued
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