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] => 11986971 [patent_doc_number] => 20170291126 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-12 [patent_title] => 'DEVICE FOR FILTERING ROLLING OIL' [patent_app_type] => utility [patent_app_number] => 15/512626 [patent_app_country] => US [patent_app_date] => 2015-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 4893 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15512626 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/512626
Device for filtering rolling oil Oct 26, 2015 Issued
Array ( [id] => 12881794 [patent_doc_number] => 20180185773 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-05 [patent_title] => ACCESSORY FOR SANITATION FACILITIES [patent_app_type] => utility [patent_app_number] => 15/738957 [patent_app_country] => US [patent_app_date] => 2015-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1479 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15738957 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/738957
ACCESSORY FOR SANITATION FACILITIES Oct 24, 2015 Abandoned
Array ( [id] => 10768179 [patent_doc_number] => 20160114335 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-04-28 [patent_title] => 'METHODS AND COLLECTORS FOR PURIFYING PHOSPHOROUS CONTAINING MATERIALS' [patent_app_type] => utility [patent_app_number] => 14/920848 [patent_app_country] => US [patent_app_date] => 2015-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17652 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14920848 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/920848
METHODS AND COLLECTORS FOR PURIFYING PHOSPHOROUS CONTAINING MATERIALS Oct 21, 2015 Abandoned
Array ( [id] => 13035917 [patent_doc_number] => 10040074 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-08-07 [patent_title] => Microflotation system having an expansion valve assembly and method for operating a microflotation system [patent_app_type] => utility [patent_app_number] => 15/543048 [patent_app_country] => US [patent_app_date] => 2015-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 2691 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15543048 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/543048
Microflotation system having an expansion valve assembly and method for operating a microflotation system Oct 19, 2015 Issued
Array ( [id] => 10689953 [patent_doc_number] => 20160036099 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-02-04 [patent_title] => 'RECYCLING ELECTROCHEMICAL CELLS AND BATTERIES' [patent_app_type] => utility [patent_app_number] => 14/879178 [patent_app_country] => US [patent_app_date] => 2015-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10095 [patent_no_of_claims] => 29 [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] => 14879178 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/879178
Recycling electrochemical cells and batteries Oct 8, 2015 Issued
Array ( [id] => 10988675 [patent_doc_number] => 20160185620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-30 [patent_title] => 'VESSEL AND METHOD FOR TREATING CONTAMINATED WATER' [patent_app_type] => utility [patent_app_number] => 14/875180 [patent_app_country] => US [patent_app_date] => 2015-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 33 [patent_no_of_words] => 10134 [patent_no_of_claims] => 11 [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] => 14875180 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/875180
Vessel and method for treating contaminated water Oct 4, 2015 Issued
Array ( [id] => 14818955 [patent_doc_number] => 10406463 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-10 [patent_title] => Filter device and filter element for such a device [patent_app_type] => utility [patent_app_number] => 14/851309 [patent_app_country] => US [patent_app_date] => 2015-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3468 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [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] => 14851309 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/851309
Filter device and filter element for such a device Sep 10, 2015 Issued
Array ( [id] => 11943126 [patent_doc_number] => 20170247277 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-31 [patent_title] => 'APPARATUS FOR TREATING WATER' [patent_app_type] => utility [patent_app_number] => 15/508009 [patent_app_country] => US [patent_app_date] => 2015-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3841 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [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] => 15508009 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/508009
Apparatus for treating water Aug 31, 2015 Issued
Array ( [id] => 10482246 [patent_doc_number] => 20150367263 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-24 [patent_title] => 'LIQUID FILTER ARRANGEMENT AND METHODS' [patent_app_type] => utility [patent_app_number] => 14/839129 [patent_app_country] => US [patent_app_date] => 2015-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 7569 [patent_no_of_claims] => 18 [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] => 14839129 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/839129
Liquid filter arrangement and methods Aug 27, 2015 Issued
Array ( [id] => 11992797 [patent_doc_number] => 20170296951 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-19 [patent_title] => 'DEVICE FOR CLEANING LIQUIDS OR GASEOUS MEDIA AND PRECIPITATING ELEMENT FOR SAID DEVICE' [patent_app_type] => utility [patent_app_number] => 15/507179 [patent_app_country] => US [patent_app_date] => 2015-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 8190 [patent_no_of_claims] => 27 [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] => 15507179 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/507179
DEVICE FOR CLEANING LIQUIDS OR GASEOUS MEDIA AND PRECIPITATING ELEMENT FOR SAID DEVICE Aug 25, 2015 Abandoned
Array ( [id] => 11471055 [patent_doc_number] => 20170057838 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-02 [patent_title] => 'WATER CAPPING OF TAILINGS' [patent_app_type] => utility [patent_app_number] => 14/836612 [patent_app_country] => US [patent_app_date] => 2015-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 20675 [patent_no_of_claims] => 30 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14836612 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/836612
WATER CAPPING OF TAILINGS Aug 25, 2015 Abandoned
Array ( [id] => 13194465 [patent_doc_number] => 10112137 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-10-30 [patent_title] => Marine engine strainer assembly [patent_app_type] => utility [patent_app_number] => 14/831074 [patent_app_country] => US [patent_app_date] => 2015-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 3462 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 14831074 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/831074
Marine engine strainer assembly Aug 19, 2015 Issued
Array ( [id] => 11850684 [patent_doc_number] => 20170225176 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-10 [patent_title] => 'METHOD AND DEVICE FOR CLEANING FIBER SUSPENSIONS BY MEANS OF FLOTATION' [patent_app_type] => utility [patent_app_number] => 15/500479 [patent_app_country] => US [patent_app_date] => 2015-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6280 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15500479 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/500479
Method and device for cleaning fiber suspensions by means of flotation Aug 13, 2015 Issued
Array ( [id] => 13288113 [patent_doc_number] => 10155229 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-12-18 [patent_title] => Nanobubbles for enhanced interaction between solids and gas volumes [patent_app_type] => utility [patent_app_number] => 14/822325 [patent_app_country] => US [patent_app_date] => 2015-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 14 [patent_no_of_words] => 3650 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14822325 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/822325
Nanobubbles for enhanced interaction between solids and gas volumes Aug 9, 2015 Issued
Array ( [id] => 10692802 [patent_doc_number] => 20160038948 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-02-11 [patent_title] => 'PROCESS AND CHEMISTRY FOR REDUCING DOLOMITE CONCENTRATIONS IN PHOSPHATE PROCESSING' [patent_app_type] => utility [patent_app_number] => 14/809546 [patent_app_country] => US [patent_app_date] => 2015-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1828 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14809546 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/809546
PROCESS AND CHEMISTRY FOR REDUCING DOLOMITE CONCENTRATIONS IN PHOSPHATE PROCESSING Jul 26, 2015 Abandoned
Array ( [id] => 13888959 [patent_doc_number] => 10197026 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-02-05 [patent_title] => Multipositional filter attachment [patent_app_type] => utility [patent_app_number] => 14/807388 [patent_app_country] => US [patent_app_date] => 2015-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 32 [patent_no_of_words] => 5049 [patent_no_of_claims] => 20 [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] => 14807388 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/807388
Multipositional filter attachment Jul 22, 2015 Issued
Array ( [id] => 13035919 [patent_doc_number] => 10040075 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-08-07 [patent_title] => Method and apparatus for flotation in a fluidized bed [patent_app_type] => utility [patent_app_number] => 14/804505 [patent_app_country] => US [patent_app_date] => 2015-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 7227 [patent_no_of_claims] => 8 [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] => 14804505 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/804505
Method and apparatus for flotation in a fluidized bed Jul 20, 2015 Issued
Array ( [id] => 12165514 [patent_doc_number] => 09884273 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-02-06 [patent_title] => 'Fluid filter assembly incorporating drawn down cover plate' [patent_app_type] => utility [patent_app_number] => 14/800248 [patent_app_country] => US [patent_app_date] => 2015-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 2810 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14800248 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/800248
Fluid filter assembly incorporating drawn down cover plate Jul 14, 2015 Issued
Array ( [id] => 11394205 [patent_doc_number] => 20170014740 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-01-19 [patent_title] => 'ROTARY DRUM FILTERING APPARATUS' [patent_app_type] => utility [patent_app_number] => 14/800215 [patent_app_country] => US [patent_app_date] => 2015-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2901 [patent_no_of_claims] => 1 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14800215 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/800215
Rotary drum filtering apparatus Jul 14, 2015 Issued
Array ( [id] => 11394299 [patent_doc_number] => 20170014834 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-01-19 [patent_title] => 'ENGULFED NANO/MICRO BUBBLES FOR IMPROVED RECOVERY OF LARGE PARTICLES IN A FLOTATION CELL' [patent_app_type] => utility [patent_app_number] => 14/799432 [patent_app_country] => US [patent_app_date] => 2015-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3823 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14799432 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/799432
Engulfed nano/micro bubbles for improved recovery of large particles in a flotation cell Jul 13, 2015 Issued
Menu