Search

David Tung

Examiner (ID: 7777, Phone: (571)270-3385 , Office: P/2694 )

Most Active Art Unit
2694
Art Unit(s)
2622, 2629, 2694
Total Applications
641
Issued Applications
363
Pending Applications
53
Abandoned Applications
225

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 7166557 [patent_doc_number] => 20050120828 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-06-09 [patent_title] => 'Method for removal of Mn from cobalt sulfate solutions' [patent_app_type] => utility [patent_app_number] => 10/729911 [patent_app_country] => US [patent_app_date] => 2003-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3654 [patent_no_of_claims] => 6 [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/A1/0120/20050120828.pdf [firstpage_image] =>[orig_patent_app_number] => 10729911 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/729911
Method for removal of Mn from cobalt sulfate solutions Dec 8, 2003 Issued
Array ( [id] => 7214062 [patent_doc_number] => 20040154437 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-12 [patent_title] => 'Method of degassing molten steel' [patent_app_type] => new [patent_app_number] => 10/728117 [patent_app_country] => US [patent_app_date] => 2003-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2967 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0154/20040154437.pdf [firstpage_image] =>[orig_patent_app_number] => 10728117 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/728117
Method of degassing molten steel Dec 3, 2003 Abandoned
Array ( [id] => 551040 [patent_doc_number] => 07156894 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-01-02 [patent_title] => 'Method for recovering metal values from concentrates of sulfide minerals' [patent_app_type] => utility [patent_app_number] => 10/720555 [patent_app_country] => US [patent_app_date] => 2003-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 10758 [patent_no_of_claims] => 45 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/156/07156894.pdf [firstpage_image] =>[orig_patent_app_number] => 10720555 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/720555
Method for recovering metal values from concentrates of sulfide minerals Nov 23, 2003 Issued
Array ( [id] => 7455013 [patent_doc_number] => 20040094240 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-20 [patent_title] => 'Ferritic stainless steel sheet for fuel tank and fuel pipe and method for making the same' [patent_app_type] => new [patent_app_number] => 10/714987 [patent_app_country] => US [patent_app_date] => 2003-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6821 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0094/20040094240.pdf [firstpage_image] =>[orig_patent_app_number] => 10714987 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/714987
Ferritic stainless steel sheet for fuel tank and fuel pipe and method for making the same Nov 16, 2003 Abandoned
Array ( [id] => 6990423 [patent_doc_number] => 20050089460 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-04-28 [patent_title] => 'Method of removing mercury from mercury contaminated materials' [patent_app_type] => utility [patent_app_number] => 10/695589 [patent_app_country] => US [patent_app_date] => 2003-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4347 [patent_no_of_claims] => 33 [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/A1/0089/20050089460.pdf [firstpage_image] =>[orig_patent_app_number] => 10695589 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/695589
Method of removing mercury from mercury contaminated materials Oct 27, 2003 Issued
10/695248 Additive and method for fluxing and fluidizing slags in furnaces Oct 26, 2003 Abandoned
Array ( [id] => 7113455 [patent_doc_number] => 20050066772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-31 [patent_title] => 'Desulphurization of ferrous materials using glass cullet' [patent_app_type] => utility [patent_app_number] => 10/673112 [patent_app_country] => US [patent_app_date] => 2003-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2495 [patent_no_of_claims] => 16 [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/A1/0066/20050066772.pdf [firstpage_image] =>[orig_patent_app_number] => 10673112 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/673112
Desulphurization of ferrous materials using glass cullet Sep 25, 2003 Abandoned
Array ( [id] => 6954650 [patent_doc_number] => 20050211020 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-29 [patent_title] => 'Ferronickel and process for producing raw material for ferronickel smelting' [patent_app_type] => utility [patent_app_number] => 10/508546 [patent_app_country] => US [patent_app_date] => 2003-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7286 [patent_no_of_claims] => 8 [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/A1/0211/20050211020.pdf [firstpage_image] =>[orig_patent_app_number] => 10508546 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/508546
Ferronickel and process for producing raw material for ferronickel smelting Sep 18, 2003 Abandoned
Array ( [id] => 7436870 [patent_doc_number] => 20040050212 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-03-18 [patent_title] => 'Solvent extraction process for recovering nickel and cobalt from each solutions' [patent_app_type] => new [patent_app_number] => 10/380685 [patent_app_country] => US [patent_app_date] => 2003-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6566 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 14 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0050/20040050212.pdf [firstpage_image] =>[orig_patent_app_number] => 10380685 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/380685
Solvent extraction process for recovering nickel and cobalt from each solutions Sep 16, 2003 Abandoned
Array ( [id] => 7124377 [patent_doc_number] => 20050056120 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-17 [patent_title] => 'Desulphurization of ferrous materials using sodium silicate' [patent_app_type] => utility [patent_app_number] => 10/662685 [patent_app_country] => US [patent_app_date] => 2003-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2140 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0056/20050056120.pdf [firstpage_image] =>[orig_patent_app_number] => 10662685 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/662685
Desulphurization of ferrous materials using sodium silicate Sep 14, 2003 Abandoned
Array ( [id] => 7350265 [patent_doc_number] => 20040089103 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-13 [patent_title] => 'Method for the removal of calcium from a zinc process sulfate solution' [patent_app_type] => new [patent_app_number] => 10/471533 [patent_app_country] => US [patent_app_date] => 2003-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2668 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0089/20040089103.pdf [firstpage_image] =>[orig_patent_app_number] => 10471533 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/471533
Method for the removal of calcium from a zinc process sulfate solution Sep 8, 2003 Abandoned
Array ( [id] => 7449092 [patent_doc_number] => 20040118248 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-06-24 [patent_title] => 'Recovery of metals from jarosite-containing materials' [patent_app_type] => new [patent_app_number] => 10/658635 [patent_app_country] => US [patent_app_date] => 2003-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2582 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0118/20040118248.pdf [firstpage_image] =>[orig_patent_app_number] => 10658635 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/658635
Recovery of metals from jarosite-containing materials Sep 7, 2003 Issued
Array ( [id] => 7377225 [patent_doc_number] => 20040035501 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-26 [patent_title] => 'Ferritic stainless steel sheet with excellent workability and method for making the same' [patent_app_type] => new [patent_app_number] => 10/647419 [patent_app_country] => US [patent_app_date] => 2003-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 11391 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0035/20040035501.pdf [firstpage_image] =>[orig_patent_app_number] => 10647419 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/647419
Ferritic stainless steel sheet with excellent workability and method for making the same Aug 24, 2003 Abandoned
Array ( [id] => 7308518 [patent_doc_number] => 20040031356 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-19 [patent_title] => 'Process for electrolytic production of ultra-pure zinc or zinc compounds from zinc primary and secondary raw materials' [patent_app_type] => new [patent_app_number] => 10/641250 [patent_app_country] => US [patent_app_date] => 2003-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 9000 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0031/20040031356.pdf [firstpage_image] =>[orig_patent_app_number] => 10641250 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/641250
Process for electrolytic production of ultra-pure zinc or zinc compounds from zinc primary and secondary raw materials Aug 13, 2003 Abandoned
Array ( [id] => 7215273 [patent_doc_number] => 20040071584 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-15 [patent_title] => 'Spheroidal cast iron particularly for piston rings and method for obtaining a spheroidal cast iron' [patent_app_type] => new [patent_app_number] => 10/625872 [patent_app_country] => US [patent_app_date] => 2003-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6645 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0071/20040071584.pdf [firstpage_image] =>[orig_patent_app_number] => 10625872 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/625872
Spheroidal cast iron particularly for piston rings and method for obtaining a spheroidal cast iron Jul 23, 2003 Abandoned
Array ( [id] => 7439399 [patent_doc_number] => 20040050459 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-03-18 [patent_title] => 'Steel and method for producing an intermediate product' [patent_app_type] => new [patent_app_number] => 10/470139 [patent_app_country] => US [patent_app_date] => 2003-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3547 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0050/20040050459.pdf [firstpage_image] =>[orig_patent_app_number] => 10470139 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/470139
Steel and method for producing an intermediate product Jul 23, 2003 Abandoned
Array ( [id] => 7230200 [patent_doc_number] => 20040256033 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-23 [patent_title] => 'Method of manufacturing zinc alloy ingot' [patent_app_type] => new [patent_app_number] => 10/464072 [patent_app_country] => US [patent_app_date] => 2003-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2785 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0256/20040256033.pdf [firstpage_image] =>[orig_patent_app_number] => 10464072 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/464072
Method of manufacturing zinc alloy ingot Jun 16, 2003 Issued
Array ( [id] => 7363582 [patent_doc_number] => 20040025632 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-12 [patent_title] => 'Grain refining agent for cast aluminum or magnesium products' [patent_app_type] => new [patent_app_number] => 10/433942 [patent_app_country] => US [patent_app_date] => 2003-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1717 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0025/20040025632.pdf [firstpage_image] =>[orig_patent_app_number] => 10433942 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/433942
Grain refining agent for cast aluminum or magnesium products Jun 8, 2003 Abandoned
Array ( [id] => 7335893 [patent_doc_number] => 20040244535 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-09 [patent_title] => 'Metal scrap packages and methods and apparatus capable of being used therewith' [patent_app_type] => new [patent_app_number] => 10/452194 [patent_app_country] => US [patent_app_date] => 2003-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3087 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0244/20040244535.pdf [firstpage_image] =>[orig_patent_app_number] => 10452194 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/452194
Metal scrap packages and methods and apparatus capable of being used therewith Jun 2, 2003 Abandoned
Array ( [id] => 529699 [patent_doc_number] => 07175691 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-02-13 [patent_title] => 'Method of producing stainless steel by re-using waste material of stainless steel producing process' [patent_app_type] => utility [patent_app_number] => 10/438013 [patent_app_country] => US [patent_app_date] => 2003-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5293 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/175/07175691.pdf [firstpage_image] =>[orig_patent_app_number] => 10438013 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/438013
Method of producing stainless steel by re-using waste material of stainless steel producing process May 14, 2003 Issued
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