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] => 7024805 [patent_doc_number] => 20050019199 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-01-27 [patent_title] => 'Double-layer metal sheet and method of fabricating the same' [patent_app_type] => utility [patent_app_number] => 10/875204 [patent_app_country] => US [patent_app_date] => 2004-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3037 [patent_no_of_claims] => 23 [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/A1/0019/20050019199.pdf [firstpage_image] =>[orig_patent_app_number] => 10875204 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/875204
Double-layer metal sheet and method of fabricating the same Jun 24, 2004 Abandoned
Array ( [id] => 7047657 [patent_doc_number] => 20050183544 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-25 [patent_title] => 'Method for producing mineral ore agglomerates using a hemicellulose binder and associated products' [patent_app_type] => utility [patent_app_number] => 10/871482 [patent_app_country] => US [patent_app_date] => 2004-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4944 [patent_no_of_claims] => 9 [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/A1/0183/20050183544.pdf [firstpage_image] =>[orig_patent_app_number] => 10871482 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/871482
Method for producing mineral ore agglomerates using a hemicellulose binder and associated products Jun 17, 2004 Abandoned
Array ( [id] => 530927 [patent_doc_number] => 07175803 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-02-13 [patent_title] => 'X-ray tube and method of manufacture' [patent_app_type] => utility [patent_app_number] => 10/868403 [patent_app_country] => US [patent_app_date] => 2004-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 10597 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/175/07175803.pdf [firstpage_image] =>[orig_patent_app_number] => 10868403 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/868403
X-ray tube and method of manufacture Jun 13, 2004 Issued
Array ( [id] => 5764237 [patent_doc_number] => 20050262967 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-01 [patent_title] => 'Method of recycling brazing sheet' [patent_app_type] => utility [patent_app_number] => 10/855758 [patent_app_country] => US [patent_app_date] => 2004-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3611 [patent_no_of_claims] => 13 [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/A1/0262/20050262967.pdf [firstpage_image] =>[orig_patent_app_number] => 10855758 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/855758
Method of recycling brazing sheet May 26, 2004 Abandoned
Array ( [id] => 7406407 [patent_doc_number] => 20040206205 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-10-21 [patent_title] => 'Cesium mixtures and use thereof' [patent_app_type] => new [patent_app_number] => 10/842352 [patent_app_country] => US [patent_app_date] => 2004-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3834 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0206/20040206205.pdf [firstpage_image] =>[orig_patent_app_number] => 10842352 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/842352
Cesium mixtures and use thereof May 9, 2004 Abandoned
Array ( [id] => 7290807 [patent_doc_number] => 20040211538 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-10-28 [patent_title] => 'Infiltration of a powder metal skeleton by a similar alloy to achieve uniform composition' [patent_app_type] => new [patent_app_number] => 10/820248 [patent_app_country] => US [patent_app_date] => 2004-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 14805 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 3 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0211/20040211538.pdf [firstpage_image] =>[orig_patent_app_number] => 10820248 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/820248
Infiltration of a powder metal skeleton by a similar alloy to achieve uniform composition Apr 5, 2004 Abandoned
Array ( [id] => 7014750 [patent_doc_number] => 20050217423 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-10-06 [patent_title] => 'Furnace residue cleaning method' [patent_app_type] => utility [patent_app_number] => 10/813265 [patent_app_country] => US [patent_app_date] => 2004-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1359 [patent_no_of_claims] => 14 [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/A1/0217/20050217423.pdf [firstpage_image] =>[orig_patent_app_number] => 10813265 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/813265
Furnace residue cleaning method Mar 30, 2004 Abandoned
Array ( [id] => 7243350 [patent_doc_number] => 20040237718 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-02 [patent_title] => 'Process for reducing metal-containing, in particular iron-ore-containing, particulate material' [patent_app_type] => new [patent_app_number] => 10/813140 [patent_app_country] => US [patent_app_date] => 2004-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5053 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 318 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0237/20040237718.pdf [firstpage_image] =>[orig_patent_app_number] => 10813140 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/813140
Process for reducing metal-containing, in particular iron-ore-containing, particulate material Mar 28, 2004 Abandoned
Array ( [id] => 7250575 [patent_doc_number] => 20040239017 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-02 [patent_title] => 'Arc furnace and method for operating this arc furnace' [patent_app_type] => new [patent_app_number] => 10/491040 [patent_app_country] => US [patent_app_date] => 2004-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2552 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0239/20040239017.pdf [firstpage_image] =>[orig_patent_app_number] => 10491040 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/491040
Arc furnace and method for operating this arc furnace Mar 25, 2004 Abandoned
Array ( [id] => 7338792 [patent_doc_number] => 20040245682 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-09 [patent_title] => 'Method for refining molten iron containing chromium' [patent_app_type] => new [patent_app_number] => 10/490459 [patent_app_country] => US [patent_app_date] => 2004-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 20215 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0245/20040245682.pdf [firstpage_image] =>[orig_patent_app_number] => 10490459 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/490459
Method for refining molten iron containing chromium Mar 21, 2004 Abandoned
Array ( [id] => 7243345 [patent_doc_number] => 20040237717 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-02 [patent_title] => 'Precious metal recovery' [patent_app_type] => new [patent_app_number] => 10/490004 [patent_app_country] => US [patent_app_date] => 2004-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 8009 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0237/20040237717.pdf [firstpage_image] =>[orig_patent_app_number] => 10490004 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/490004
Precious metal recovery Mar 17, 2004 Abandoned
Array ( [id] => 7383218 [patent_doc_number] => 20040179985 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-09-16 [patent_title] => 'Process for recovering metals, in particular precious metals, from electronic scrap' [patent_app_type] => new [patent_app_number] => 10/798143 [patent_app_country] => US [patent_app_date] => 2004-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4896 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0179/20040179985.pdf [firstpage_image] =>[orig_patent_app_number] => 10798143 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/798143
Process for recovering metals, in particular precious metals, from electronic scrap Mar 10, 2004 Abandoned
Array ( [id] => 6941815 [patent_doc_number] => 20050193863 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-08 [patent_title] => 'Selective reduction of cupriferous calcine' [patent_app_type] => utility [patent_app_number] => 10/794304 [patent_app_country] => US [patent_app_date] => 2004-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4111 [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/A1/0193/20050193863.pdf [firstpage_image] =>[orig_patent_app_number] => 10794304 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/794304
Selective reduction of cupriferous calcine Mar 4, 2004 Abandoned
Array ( [id] => 529692 [patent_doc_number] => 07175690 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-02-13 [patent_title] => 'Pre-treatment process for feed material for direct reduction process' [patent_app_type] => utility [patent_app_number] => 10/789696 [patent_app_country] => US [patent_app_date] => 2004-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2198 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/175/07175690.pdf [firstpage_image] =>[orig_patent_app_number] => 10789696 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/789696
Pre-treatment process for feed material for direct reduction process Feb 26, 2004 Issued
Array ( [id] => 7119480 [patent_doc_number] => 20050011309 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-01-20 [patent_title] => 'Agglomerated quicklime or dolomitic quicklime compositions for electric arc furnace steelmaking' [patent_app_type] => utility [patent_app_number] => 10/770504 [patent_app_country] => US [patent_app_date] => 2004-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1565 [patent_no_of_claims] => 19 [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] => publications/A1/0011/20050011309.pdf [firstpage_image] =>[orig_patent_app_number] => 10770504 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/770504
Agglomerated quicklime or dolomitic quicklime compositions for electric arc furnace steelmaking Feb 3, 2004 Abandoned
Array ( [id] => 7192397 [patent_doc_number] => 20050163645 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-07-28 [patent_title] => 'Method to make sinter-hardened powder metal parts with complex shapes' [patent_app_type] => utility [patent_app_number] => 10/766154 [patent_app_country] => US [patent_app_date] => 2004-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1694 [patent_no_of_claims] => 23 [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/A1/0163/20050163645.pdf [firstpage_image] =>[orig_patent_app_number] => 10766154 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/766154
Method to make sinter-hardened powder metal parts with complex shapes Jan 27, 2004 Abandoned
Array ( [id] => 7442530 [patent_doc_number] => 20040163741 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-26 [patent_title] => 'Method of manufacture of ultra-low carbon steel' [patent_app_type] => new [patent_app_number] => 10/758134 [patent_app_country] => US [patent_app_date] => 2004-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6385 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0163/20040163741.pdf [firstpage_image] =>[orig_patent_app_number] => 10758134 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/758134
Method of manufacture of ultra-low carbon steel Jan 15, 2004 Issued
Array ( [id] => 7423735 [patent_doc_number] => 20040208772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-10-21 [patent_title] => 'Sinter metal parts with homogeneous distribution of non-homogeneously melting components as method for the production thereof' [patent_app_type] => new [patent_app_number] => 10/483645 [patent_app_country] => US [patent_app_date] => 2004-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4291 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0208/20040208772.pdf [firstpage_image] =>[orig_patent_app_number] => 10483645 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/483645
Sinter metal parts with homogeneous distribution of non-homogeneously melting components as method for the production thereof Jan 12, 2004 Abandoned
Array ( [id] => 537438 [patent_doc_number] => 07166145 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-01-23 [patent_title] => 'Recovery of precious metals' [patent_app_type] => utility [patent_app_number] => 10/754877 [patent_app_country] => US [patent_app_date] => 2004-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4073 [patent_no_of_claims] => 45 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/166/07166145.pdf [firstpage_image] =>[orig_patent_app_number] => 10754877 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/754877
Recovery of precious metals Jan 8, 2004 Issued
Array ( [id] => 7372614 [patent_doc_number] => 20040177900 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-09-16 [patent_title] => 'Fe-Cr-Ni alloy for electron gun electrode' [patent_app_type] => new [patent_app_number] => 10/740471 [patent_app_country] => US [patent_app_date] => 2003-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4216 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0177/20040177900.pdf [firstpage_image] =>[orig_patent_app_number] => 10740471 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/740471
Fe-Cr-Ni alloy for electron gun electrode Dec 21, 2003 Abandoned
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