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] => 6911737 [patent_doc_number] => 20050175495 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-11 [patent_title] => 'Method for producing a porous titanium material article' [patent_app_type] => utility [patent_app_number] => 10/513294 [patent_app_country] => US [patent_app_date] => 2003-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1866 [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] => publications/A1/0175/20050175495.pdf [firstpage_image] =>[orig_patent_app_number] => 10513294 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/513294
Method for producing a porous titanium material article May 4, 2003 Issued
Array ( [id] => 529638 [patent_doc_number] => 07175685 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-02-13 [patent_title] => 'Dry conversion of high purity ultrafine silicon powder to densified pellet form for silicon melting applications' [patent_app_type] => utility [patent_app_number] => 10/413774 [patent_app_country] => US [patent_app_date] => 2003-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2453 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/175/07175685.pdf [firstpage_image] =>[orig_patent_app_number] => 10413774 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/413774
Dry conversion of high purity ultrafine silicon powder to densified pellet form for silicon melting applications Apr 14, 2003 Issued
Array ( [id] => 7205509 [patent_doc_number] => 20040070123 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-15 [patent_title] => 'Impact pad for a tundish' [patent_app_type] => new [patent_app_number] => 10/410597 [patent_app_country] => US [patent_app_date] => 2003-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2923 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0070/20040070123.pdf [firstpage_image] =>[orig_patent_app_number] => 10410597 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/410597
Impact pad for a tundish Apr 9, 2003 Abandoned
Array ( [id] => 6832220 [patent_doc_number] => 20030159765 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-28 [patent_title] => 'Nano-composite martensitic steels' [patent_app_type] => new [patent_app_number] => 10/406780 [patent_app_country] => US [patent_app_date] => 2003-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3424 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0159/20030159765.pdf [firstpage_image] =>[orig_patent_app_number] => 10406780 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/406780
Nano-composite martensitic steels Apr 1, 2003 Issued
Array ( [id] => 913203 [patent_doc_number] => 07326307 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-02-05 [patent_title] => 'Thermal fatigue resistant cast steel' [patent_app_type] => utility [patent_app_number] => 10/395236 [patent_app_country] => US [patent_app_date] => 2003-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3800 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/326/07326307.pdf [firstpage_image] =>[orig_patent_app_number] => 10395236 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/395236
Thermal fatigue resistant cast steel Mar 24, 2003 Issued
Array ( [id] => 6661513 [patent_doc_number] => 20030200839 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-10-30 [patent_title] => 'Recovery of precious metals and copper from copper/gold ores using resin technology' [patent_app_type] => new [patent_app_number] => 10/386183 [patent_app_country] => US [patent_app_date] => 2003-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 9320 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 14 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0200/20030200839.pdf [firstpage_image] =>[orig_patent_app_number] => 10386183 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/386183
Recovery of precious metals and copper from copper/gold ores using resin technology Mar 10, 2003 Abandoned
Array ( [id] => 6769409 [patent_doc_number] => 20030215349 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-11-20 [patent_title] => 'Production method of high density iron based forged part' [patent_app_type] => new [patent_app_number] => 10/374720 [patent_app_country] => US [patent_app_date] => 2003-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6733 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0215/20030215349.pdf [firstpage_image] =>[orig_patent_app_number] => 10374720 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/374720
Production method of high density iron based forged part Feb 26, 2003 Abandoned
Array ( [id] => 7000922 [patent_doc_number] => 20050166710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-04 [patent_title] => 'Method for treating alloyed carbonic iron smelts used for the production of steel' [patent_app_type] => utility [patent_app_number] => 10/509299 [patent_app_country] => US [patent_app_date] => 2003-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1520 [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/A1/0166/20050166710.pdf [firstpage_image] =>[orig_patent_app_number] => 10509299 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/509299
Method for treating alloyed carbonic iron smelts used for the production of steel Feb 21, 2003 Abandoned
Array ( [id] => 7103685 [patent_doc_number] => 20050106411 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-05-19 [patent_title] => 'High strength steel plate and method for production thereof' [patent_app_type] => utility [patent_app_number] => 10/503025 [patent_app_country] => US [patent_app_date] => 2003-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 18480 [patent_no_of_claims] => 32 [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/A1/0106/20050106411.pdf [firstpage_image] =>[orig_patent_app_number] => 10503025 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/503025
High strength steel plate and method for production thereof Feb 3, 2003 Abandoned
Array ( [id] => 6737452 [patent_doc_number] => 20030154820 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-21 [patent_title] => 'Foamed/porous metal and method of manufacturing the same' [patent_app_type] => new [patent_app_number] => 10/356494 [patent_app_country] => US [patent_app_date] => 2003-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3526 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0154/20030154820.pdf [firstpage_image] =>[orig_patent_app_number] => 10356494 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/356494
Foamed/porous metal and method of manufacturing the same Feb 2, 2003 Issued
Array ( [id] => 7018639 [patent_doc_number] => 20050220658 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-10-06 [patent_title] => 'Process for producing a high density by high velocity compacting' [patent_app_type] => utility [patent_app_number] => 10/502592 [patent_app_country] => US [patent_app_date] => 2003-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 38 [patent_no_of_words] => 10906 [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] => publications/A1/0220/20050220658.pdf [firstpage_image] =>[orig_patent_app_number] => 10502592 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/502592
Process for producing a high density by high velocity compacting Jan 26, 2003 Abandoned
Array ( [id] => 7164458 [patent_doc_number] => 20040076539 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-22 [patent_title] => 'Granular metallic iron' [patent_app_type] => new [patent_app_number] => 10/332951 [patent_app_country] => US [patent_app_date] => 2003-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 12417 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0076/20040076539.pdf [firstpage_image] =>[orig_patent_app_number] => 10332951 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/332951
Granular metallic iron Jan 13, 2003 Abandoned
Array ( [id] => 7308515 [patent_doc_number] => 20040031353 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-19 [patent_title] => 'Material with high ballistic protective effect' [patent_app_type] => new [patent_app_number] => 10/321451 [patent_app_country] => US [patent_app_date] => 2002-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4882 [patent_no_of_claims] => 62 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0031/20040031353.pdf [firstpage_image] =>[orig_patent_app_number] => 10321451 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/321451
Material with high ballistic protective effect Dec 17, 2002 Abandoned
Array ( [id] => 7099969 [patent_doc_number] => 20050103161 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-05-19 [patent_title] => 'Method for reuse of steel sheet scrap' [patent_app_type] => utility [patent_app_number] => 10/498092 [patent_app_country] => US [patent_app_date] => 2002-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3493 [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/A1/0103/20050103161.pdf [firstpage_image] =>[orig_patent_app_number] => 10498092 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/498092
Method for reuse of steel sheet scrap Dec 5, 2002 Abandoned
Array ( [id] => 6676284 [patent_doc_number] => 20030226424 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-12-11 [patent_title] => 'Method of removing coating from coated magnesium alloy product, method of making recycled magnesium alloy and method of recycling coating' [patent_app_type] => new [patent_app_number] => 10/298043 [patent_app_country] => US [patent_app_date] => 2002-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8056 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0226/20030226424.pdf [firstpage_image] =>[orig_patent_app_number] => 10298043 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/298043
Method of removing coating from coated magnesium alloy product, method of making recycled magnesium alloy and method of recycling coating Nov 17, 2002 Abandoned
Array ( [id] => 784732 [patent_doc_number] => 06989040 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-01-24 [patent_title] => 'Reclaimed magnesium desulfurization agent' [patent_app_type] => utility [patent_app_number] => 10/283574 [patent_app_country] => US [patent_app_date] => 2002-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 8603 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/989/06989040.pdf [firstpage_image] =>[orig_patent_app_number] => 10283574 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/283574
Reclaimed magnesium desulfurization agent Oct 29, 2002 Issued
Array ( [id] => 6840569 [patent_doc_number] => 20030145916 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-08-07 [patent_title] => '12Cr Alloy steel for a turbine rotor' [patent_app_type] => new [patent_app_number] => 10/280052 [patent_app_country] => US [patent_app_date] => 2002-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 8195 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0145/20030145916.pdf [firstpage_image] =>[orig_patent_app_number] => 10280052 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/280052
12Cr Alloy steel for a turbine rotor Oct 24, 2002 Abandoned
Array ( [id] => 397200 [patent_doc_number] => 07294168 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-11-13 [patent_title] => 'Method for purifying the solution in the hydrometallurgical processing of copper' [patent_app_type] => utility [patent_app_number] => 10/492893 [patent_app_country] => US [patent_app_date] => 2002-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1567 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/294/07294168.pdf [firstpage_image] =>[orig_patent_app_number] => 10492893 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/492893
Method for purifying the solution in the hydrometallurgical processing of copper Oct 22, 2002 Issued
Array ( [id] => 622950 [patent_doc_number] => 07138005 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-11-21 [patent_title] => 'Nickel refining method' [patent_app_type] => utility [patent_app_number] => 10/238022 [patent_app_country] => US [patent_app_date] => 2002-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2603 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/138/07138005.pdf [firstpage_image] =>[orig_patent_app_number] => 10238022 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/238022
Nickel refining method Sep 8, 2002 Issued
Array ( [id] => 498003 [patent_doc_number] => 07204892 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-04-17 [patent_title] => 'Hoop for CVT belt and manufacturing method therefor' [patent_app_type] => utility [patent_app_number] => 10/214314 [patent_app_country] => US [patent_app_date] => 2002-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 5127 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/204/07204892.pdf [firstpage_image] =>[orig_patent_app_number] => 10214314 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/214314
Hoop for CVT belt and manufacturing method therefor Aug 7, 2002 Issued
Menu