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] => 9432405 [patent_doc_number] => 20140110311 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-04-24 [patent_title] => 'METHOD AND APPARATUS FOR FROTH FLOTATION CONTROL' [patent_app_type] => utility [patent_app_number] => 14/119409 [patent_app_country] => US [patent_app_date] => 2012-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7522 [patent_no_of_claims] => 28 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14119409 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/119409
METHOD AND APPARATUS FOR FROTH FLOTATION CONTROL May 14, 2012 Abandoned
Array ( [id] => 9913753 [patent_doc_number] => 20150068956 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-03-12 [patent_title] => 'METHOD AND APPARATUS FOR SEPARATION OF MOLYBDENITE FROM PYRITE CONTAINING COPPER-MOLYBDENUM ORES' [patent_app_type] => utility [patent_app_number] => 14/399468 [patent_app_country] => US [patent_app_date] => 2012-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4644 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14399468 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/399468
METHOD AND APPARATUS FOR SEPARATION OF MOLYBDENITE FROM PYRITE CONTAINING COPPER-MOLYBDENUM ORES May 9, 2012 Abandoned
Array ( [id] => 10211933 [patent_doc_number] => 20150096926 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-09 [patent_title] => 'METHOD AND APPARATUS FOR CONTROLLING THE FLOTATION PROCESS OF PYRITE-CONTAINING SULPHIDE ORES' [patent_app_type] => utility [patent_app_number] => 14/399449 [patent_app_country] => US [patent_app_date] => 2012-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3498 [patent_no_of_claims] => 15 [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] => 14399449 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/399449
METHOD AND APPARATUS FOR CONTROLLING THE FLOTATION PROCESS OF PYRITE-CONTAINING SULPHIDE ORES May 9, 2012 Abandoned
Array ( [id] => 8486485 [patent_doc_number] => 20120285892 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-11-15 [patent_title] => 'Separation Process' [patent_app_type] => utility [patent_app_number] => 13/464037 [patent_app_country] => US [patent_app_date] => 2012-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6518 [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] => 13464037 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/464037
Separation Process May 3, 2012 Abandoned
Array ( [id] => 11828601 [patent_doc_number] => 09725334 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-08-08 [patent_title] => 'Rapid flotation device for water laden with suspended matter, and method for implementing same' [patent_app_type] => utility [patent_app_number] => 14/116986 [patent_app_country] => US [patent_app_date] => 2012-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 4391 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14116986 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/116986
Rapid flotation device for water laden with suspended matter, and method for implementing same May 2, 2012 Issued
Array ( [id] => 11749520 [patent_doc_number] => 09707519 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-07-18 [patent_title] => 'Crossflow filtration cassette holder' [patent_app_type] => utility [patent_app_number] => 14/113460 [patent_app_country] => US [patent_app_date] => 2012-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2902 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14113460 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/113460
Crossflow filtration cassette holder Apr 24, 2012 Issued
Array ( [id] => 12405825 [patent_doc_number] => 09968871 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-15 [patent_title] => Filter device and method for filtering a suspension [patent_app_type] => utility [patent_app_number] => 14/394490 [patent_app_country] => US [patent_app_date] => 2012-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1841 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [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] => 14394490 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/394490
Filter device and method for filtering a suspension Apr 18, 2012 Issued
Array ( [id] => 8807210 [patent_doc_number] => 08444859 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-05-21 [patent_title] => 'Method for reduction of oil, alkalinity and undesirable gases using a mechanical flotation device' [patent_app_type] => utility [patent_app_number] => 13/445990 [patent_app_country] => US [patent_app_date] => 2012-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6326 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13445990 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/445990
Method for reduction of oil, alkalinity and undesirable gases using a mechanical flotation device Apr 12, 2012 Issued
Array ( [id] => 10586879 [patent_doc_number] => 09308475 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-04-12 [patent_title] => 'Filter apparatus with torque limiting mechanism' [patent_app_type] => utility [patent_app_number] => 13/445499 [patent_app_country] => US [patent_app_date] => 2012-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 48 [patent_no_of_words] => 7381 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13445499 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/445499
Filter apparatus with torque limiting mechanism Apr 11, 2012 Issued
Array ( [id] => 9266188 [patent_doc_number] => 20140021104 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-23 [patent_title] => 'AMINE AND DIAMINE COMPOUNDS AND THEIR USE FOR INVERSE FROTH FLOTATION OF SILICATE FROM IRON ORE' [patent_app_type] => utility [patent_app_number] => 14/110633 [patent_app_country] => US [patent_app_date] => 2012-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8115 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 7 [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] => 14110633 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/110633
Amine and diamine compounds and their use for inverse froth flotation of silicate from iron ore Apr 9, 2012 Issued
Array ( [id] => 11414700 [patent_doc_number] => 09561512 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-02-07 [patent_title] => 'Amine and diamine compounds and their use for inverse froth flotation of silicate from iron ore' [patent_app_type] => utility [patent_app_number] => 14/110646 [patent_app_country] => US [patent_app_date] => 2012-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6805 [patent_no_of_claims] => 15 [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] => 14110646 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/110646
Amine and diamine compounds and their use for inverse froth flotation of silicate from iron ore Apr 9, 2012 Issued
Array ( [id] => 8646797 [patent_doc_number] => 20130032527 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-07 [patent_title] => 'SYSTEM OF CONTINUOUS SAMPLING OF FILTRATION OF A MUD' [patent_app_type] => utility [patent_app_number] => 13/442756 [patent_app_country] => US [patent_app_date] => 2012-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2613 [patent_no_of_claims] => 17 [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] => 13442756 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/442756
SYSTEM OF CONTINUOUS SAMPLING OF FILTRATION OF A MUD Apr 8, 2012 Abandoned
Array ( [id] => 9078735 [patent_doc_number] => 20130264265 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-10 [patent_title] => 'MODULAR FILTER CAPSULE APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/441028 [patent_app_country] => US [patent_app_date] => 2012-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9245 [patent_no_of_claims] => 52 [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] => 13441028 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/441028
Modular filter capsule apparatus Apr 5, 2012 Issued
Array ( [id] => 8310019 [patent_doc_number] => 20120187040 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-26 [patent_title] => 'SOLID-LIQUID SEPARATOR' [patent_app_type] => utility [patent_app_number] => 13/440388 [patent_app_country] => US [patent_app_date] => 2012-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5937 [patent_no_of_claims] => 2 [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] => 13440388 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/440388
Solid-liquid separator Apr 4, 2012 Issued
Array ( [id] => 9277387 [patent_doc_number] => 20140027354 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-30 [patent_title] => 'DIAMINE COMPOUNDS AND THEIR USE FOR INVERSE FROTH FLOTATION OF SILICATE FROM IRON ORE' [patent_app_type] => utility [patent_app_number] => 14/111187 [patent_app_country] => US [patent_app_date] => 2012-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8959 [patent_no_of_claims] => 20 [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] => 14111187 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/111187
Diamine compounds and their use for inverse froth flotation of silicate from iron ore Apr 3, 2012 Issued
Array ( [id] => 9064478 [patent_doc_number] => 20130256234 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-03 [patent_title] => 'WATER TREATMENT SYSTEM FOR BUILDINGS' [patent_app_type] => utility [patent_app_number] => 13/431911 [patent_app_country] => US [patent_app_date] => 2012-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5971 [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] => 13431911 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/431911
WATER TREATMENT SYSTEM FOR BUILDINGS Mar 26, 2012 Abandoned
Array ( [id] => 10018756 [patent_doc_number] => 09061225 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-06-23 [patent_title] => 'Reinforced receiver for cassette filter locking clip' [patent_app_type] => utility [patent_app_number] => 13/421349 [patent_app_country] => US [patent_app_date] => 2012-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 1932 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13421349 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/421349
Reinforced receiver for cassette filter locking clip Mar 14, 2012 Issued
Array ( [id] => 8274509 [patent_doc_number] => 20120168386 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-05 [patent_title] => 'Dissolved Air Floatation with Filter System' [patent_app_type] => utility [patent_app_number] => 13/417856 [patent_app_country] => US [patent_app_date] => 2012-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2507 [patent_no_of_claims] => 8 [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] => 13417856 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/417856
Dissolved air floatation with filter system Mar 11, 2012 Issued
Array ( [id] => 11784226 [patent_doc_number] => 09393509 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-07-19 [patent_title] => 'Out-of-vat liquid filter for ensuring reliable connection of water pipe connector' [patent_app_type] => utility [patent_app_number] => 14/384688 [patent_app_country] => US [patent_app_date] => 2012-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8228 [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] => 14384688 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/384688
Out-of-vat liquid filter for ensuring reliable connection of water pipe connector Mar 11, 2012 Issued
Array ( [id] => 9201925 [patent_doc_number] => 20140001102 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-02 [patent_title] => 'FLOTATION DEVICE COMPRISING A FLUID DISTRIBUTION ELEMENT FOR GENERATING A FLOW THAT IS DIRECTED AT THE FOAM COLLECTING UNIT' [patent_app_type] => utility [patent_app_number] => 14/005204 [patent_app_country] => US [patent_app_date] => 2012-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5475 [patent_no_of_claims] => 14 [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] => 14005204 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/005204
FLOTATION DEVICE COMPRISING A FLUID DISTRIBUTION ELEMENT FOR GENERATING A FLOW THAT IS DIRECTED AT THE FOAM COLLECTING UNIT Feb 29, 2012 Abandoned
Menu