Search

Duy Khuong Thanh Nguyen

Examiner (ID: 6208, Phone: (571)270-7139 , Office: P/2197 )

Most Active Art Unit
2199
Art Unit(s)
2197, 2199
Total Applications
606
Issued Applications
447
Pending Applications
68
Abandoned Applications
98

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3021882 [patent_doc_number] => 05372176 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-12-13 [patent_title] => 'Method and apparatus for producing housing having a cast-in-place insert using lost foam process' [patent_app_type] => 1 [patent_app_number] => 8/216770 [patent_app_country] => US [patent_app_date] => 1994-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 2557 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/372/05372176.pdf [firstpage_image] =>[orig_patent_app_number] => 216770 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/216770
Method and apparatus for producing housing having a cast-in-place insert using lost foam process Mar 22, 1994 Issued
Array ( [id] => 3407766 [patent_doc_number] => 05388630 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-14 [patent_title] => 'Method of manufacturing core and mold' [patent_app_type] => 1 [patent_app_number] => 8/209674 [patent_app_country] => US [patent_app_date] => 1994-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 20 [patent_no_of_words] => 7677 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/388/05388630.pdf [firstpage_image] =>[orig_patent_app_number] => 209674 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/209674
Method of manufacturing core and mold Mar 9, 1994 Issued
Array ( [id] => 3055178 [patent_doc_number] => 05352136 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-04 [patent_title] => 'Electrical coupling device' [patent_app_type] => 1 [patent_app_number] => 8/194573 [patent_app_country] => US [patent_app_date] => 1994-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 1655 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 333 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/352/05352136.pdf [firstpage_image] =>[orig_patent_app_number] => 194573 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/194573
Electrical coupling device Feb 9, 1994 Issued
Array ( [id] => 3462498 [patent_doc_number] => 05427173 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-06-27 [patent_title] => 'Induction skull melt spinning of reactive metal alloys' [patent_app_type] => 1 [patent_app_number] => 8/179837 [patent_app_country] => US [patent_app_date] => 1994-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4976 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/427/05427173.pdf [firstpage_image] =>[orig_patent_app_number] => 179837 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/179837
Induction skull melt spinning of reactive metal alloys Jan 6, 1994 Issued
Array ( [id] => 3095992 [patent_doc_number] => 05394929 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-03-07 [patent_title] => 'Method of preparing boron carbie/aluminum cermets having a controlled microstructure' [patent_app_type] => 1 [patent_app_number] => 8/154904 [patent_app_country] => US [patent_app_date] => 1993-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7674 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/394/05394929.pdf [firstpage_image] =>[orig_patent_app_number] => 154904 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/154904
Method of preparing boron carbie/aluminum cermets having a controlled microstructure Nov 18, 1993 Issued
Array ( [id] => 3021947 [patent_doc_number] => 05372179 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-12-13 [patent_title] => 'Mold surface treatment process and mold' [patent_app_type] => 1 [patent_app_number] => 8/145468 [patent_app_country] => US [patent_app_date] => 1993-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 7568 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/372/05372179.pdf [firstpage_image] =>[orig_patent_app_number] => 145468 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/145468
Mold surface treatment process and mold Oct 21, 1993 Issued
Array ( [id] => 3440386 [patent_doc_number] => 05377741 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-03 [patent_title] => 'Method of forming metal matrix composites by use of an immersion casting technique' [patent_app_type] => 1 [patent_app_number] => 8/136482 [patent_app_country] => US [patent_app_date] => 1993-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 7 [patent_no_of_words] => 12130 [patent_no_of_claims] => 20 [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] => patents/05/377/05377741.pdf [firstpage_image] =>[orig_patent_app_number] => 136482 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/136482
Method of forming metal matrix composites by use of an immersion casting technique Oct 12, 1993 Issued
08/132677 METHOD OF MANUFACTURING CORE AND MOLD Oct 5, 1993 Abandoned
08/120393 THERMAL RADIATION BAFFLE FOR APPARATUS FOR USE IN DIRECTIONAL SOLIDIFICATION Sep 12, 1993 Abandoned
Array ( [id] => 3037389 [patent_doc_number] => 05355930 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-18 [patent_title] => 'Method of expendable pattern casting of hypereutectic aluminum-silicon alloys using sand with specific thermal properties' [patent_app_type] => 1 [patent_app_number] => 8/119027 [patent_app_country] => US [patent_app_date] => 1993-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3214 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/355/05355930.pdf [firstpage_image] =>[orig_patent_app_number] => 119027 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/119027
Method of expendable pattern casting of hypereutectic aluminum-silicon alloys using sand with specific thermal properties Sep 8, 1993 Issued
Array ( [id] => 3037401 [patent_doc_number] => 05355931 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-18 [patent_title] => 'Method of expendable pattern casting using sand with specific thermal properties' [patent_app_type] => 1 [patent_app_number] => 8/119035 [patent_app_country] => US [patent_app_date] => 1993-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 5674 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/355/05355931.pdf [firstpage_image] =>[orig_patent_app_number] => 119035 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/119035
Method of expendable pattern casting using sand with specific thermal properties Sep 8, 1993 Issued
Array ( [id] => 3402657 [patent_doc_number] => 05392842 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-28 [patent_title] => 'Casting metals' [patent_app_type] => 1 [patent_app_number] => 8/118114 [patent_app_country] => US [patent_app_date] => 1993-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2092 [patent_no_of_claims] => 2 [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/05/392/05392842.pdf [firstpage_image] =>[orig_patent_app_number] => 118114 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/118114
Casting metals Sep 6, 1993 Issued
Array ( [id] => 3413051 [patent_doc_number] => 05402843 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-04-04 [patent_title] => 'Stepped alloying in the production of cast composite materials' [patent_app_type] => 1 [patent_app_number] => 8/109143 [patent_app_country] => US [patent_app_date] => 1993-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2886 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/402/05402843.pdf [firstpage_image] =>[orig_patent_app_number] => 109143 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/109143
Stepped alloying in the production of cast composite materials Aug 18, 1993 Issued
Array ( [id] => 3037459 [patent_doc_number] => 05355934 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-18 [patent_title] => 'Low pressure casting apparatus' [patent_app_type] => 1 [patent_app_number] => 8/093585 [patent_app_country] => US [patent_app_date] => 1993-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 9315 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/355/05355934.pdf [firstpage_image] =>[orig_patent_app_number] => 093585 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/093585
Low pressure casting apparatus Jul 18, 1993 Issued
Array ( [id] => 3043656 [patent_doc_number] => 05350003 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-27 [patent_title] => 'Removing metal from composite bodies and resulting products' [patent_app_type] => 1 [patent_app_number] => 8/090352 [patent_app_country] => US [patent_app_date] => 1993-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 33 [patent_no_of_words] => 52779 [patent_no_of_claims] => 65 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/350/05350003.pdf [firstpage_image] =>[orig_patent_app_number] => 090352 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/090352
Removing metal from composite bodies and resulting products Jul 8, 1993 Issued
Array ( [id] => 2983095 [patent_doc_number] => 05370172 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-12-06 [patent_title] => 'Safety device for mobile modules which inductively heat or reheat metallurgical products' [patent_app_type] => 1 [patent_app_number] => 8/080832 [patent_app_country] => US [patent_app_date] => 1993-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1743 [patent_no_of_claims] => 5 [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] => patents/05/370/05370172.pdf [firstpage_image] =>[orig_patent_app_number] => 080832 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/080832
Safety device for mobile modules which inductively heat or reheat metallurgical products Jun 23, 1993 Issued
Array ( [id] => 2976016 [patent_doc_number] => 05365998 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-22 [patent_title] => 'Measuring, monitoring and regulation system for determining the locking pressure or column force and/or the casting force in pressure die casting machines' [patent_app_type] => 1 [patent_app_number] => 8/077408 [patent_app_country] => US [patent_app_date] => 1993-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3078 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/365/05365998.pdf [firstpage_image] =>[orig_patent_app_number] => 077408 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/077408
Measuring, monitoring and regulation system for determining the locking pressure or column force and/or the casting force in pressure die casting machines Jun 15, 1993 Issued
Array ( [id] => 2980400 [patent_doc_number] => 05358028 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-25 [patent_title] => 'Horizontal multiple-strand continuous casting plant and method of operating the plant' [patent_app_type] => 1 [patent_app_number] => 8/075130 [patent_app_country] => US [patent_app_date] => 1993-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2007 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/358/05358028.pdf [firstpage_image] =>[orig_patent_app_number] => 075130 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/075130
Horizontal multiple-strand continuous casting plant and method of operating the plant Jun 9, 1993 Issued
Array ( [id] => 3107992 [patent_doc_number] => 05383514 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-24 [patent_title] => 'Vacuum casting apparatus' [patent_app_type] => 1 [patent_app_number] => 8/072999 [patent_app_country] => US [patent_app_date] => 1993-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3359 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/383/05383514.pdf [firstpage_image] =>[orig_patent_app_number] => 072999 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/072999
Vacuum casting apparatus Jun 6, 1993 Issued
Array ( [id] => 3018198 [patent_doc_number] => 05299624 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-05 [patent_title] => 'Fluid assisted casting apparatus' [patent_app_type] => 1 [patent_app_number] => 8/068805 [patent_app_country] => US [patent_app_date] => 1993-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2836 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/299/05299624.pdf [firstpage_image] =>[orig_patent_app_number] => 068805 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/068805
Fluid assisted casting apparatus May 26, 1993 Issued
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