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] => 2936131 [patent_doc_number] => 05242009 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-07 [patent_title] => 'Foot rolls for continuous casting' [patent_app_type] => 1 [patent_app_number] => 7/873001 [patent_app_country] => US [patent_app_date] => 1992-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2534 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/242/05242009.pdf [firstpage_image] =>[orig_patent_app_number] => 873001 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/873001
Foot rolls for continuous casting Apr 23, 1992 Issued
Array ( [id] => 2941892 [patent_doc_number] => 05197527 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-30 [patent_title] => 'Method of manufacturing lost foam pattern for use in full-mold casting' [patent_app_type] => 1 [patent_app_number] => 7/872441 [patent_app_country] => US [patent_app_date] => 1992-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 28 [patent_no_of_words] => 6372 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/197/05197527.pdf [firstpage_image] =>[orig_patent_app_number] => 872441 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/872441
Method of manufacturing lost foam pattern for use in full-mold casting Apr 22, 1992 Issued
Array ( [id] => 3079783 [patent_doc_number] => 05318093 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-07 [patent_title] => 'Method and apparatus for investment casting' [patent_app_type] => 1 [patent_app_number] => 7/869949 [patent_app_country] => US [patent_app_date] => 1992-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 4079 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/318/05318093.pdf [firstpage_image] =>[orig_patent_app_number] => 869949 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/869949
Method and apparatus for investment casting Apr 16, 1992 Issued
Array ( [id] => 2990341 [patent_doc_number] => 05353861 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-11 [patent_title] => 'Roll casting process' [patent_app_type] => 1 [patent_app_number] => 7/865492 [patent_app_country] => US [patent_app_date] => 1992-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2199 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/353/05353861.pdf [firstpage_image] =>[orig_patent_app_number] => 865492 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/865492
Roll casting process Apr 8, 1992 Issued
Array ( [id] => 2991415 [patent_doc_number] => 05373891 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-12-20 [patent_title] => 'Investment material and mold for dental use and burnout thereof' [patent_app_type] => 1 [patent_app_number] => 7/866901 [patent_app_country] => US [patent_app_date] => 1992-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3710 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/373/05373891.pdf [firstpage_image] =>[orig_patent_app_number] => 866901 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/866901
Investment material and mold for dental use and burnout thereof Apr 5, 1992 Issued
Array ( [id] => 2962041 [patent_doc_number] => 05203397 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-20 [patent_title] => 'Heating assembly for a die-casting machine' [patent_app_type] => 1 [patent_app_number] => 7/862491 [patent_app_country] => US [patent_app_date] => 1992-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2444 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/203/05203397.pdf [firstpage_image] =>[orig_patent_app_number] => 862491 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/862491
Heating assembly for a die-casting machine Apr 1, 1992 Issued
Array ( [id] => 2910091 [patent_doc_number] => 05186233 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-16 [patent_title] => 'Method of producing spheroidal graphite cast iron article' [patent_app_type] => 1 [patent_app_number] => 7/862230 [patent_app_country] => US [patent_app_date] => 1992-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 3576 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/186/05186233.pdf [firstpage_image] =>[orig_patent_app_number] => 862230 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/862230
Method of producing spheroidal graphite cast iron article Apr 1, 1992 Issued
Array ( [id] => 2878580 [patent_doc_number] => 05244032 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-14 [patent_title] => 'One piece spout sock and channel bag assembly for aluminum ingot casting' [patent_app_type] => 1 [patent_app_number] => 7/857522 [patent_app_country] => US [patent_app_date] => 1992-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 3526 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/244/05244032.pdf [firstpage_image] =>[orig_patent_app_number] => 857522 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/857522
One piece spout sock and channel bag assembly for aluminum ingot casting Mar 24, 1992 Issued
Array ( [id] => 3101562 [patent_doc_number] => 05379827 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-10 [patent_title] => 'Die casting machine' [patent_app_type] => 1 [patent_app_number] => 7/857463 [patent_app_country] => US [patent_app_date] => 1992-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 8058 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/379/05379827.pdf [firstpage_image] =>[orig_patent_app_number] => 857463 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/857463
Die casting machine Mar 24, 1992 Issued
Array ( [id] => 2894373 [patent_doc_number] => 05236034 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-17 [patent_title] => 'Web reinforced expendable core' [patent_app_type] => 1 [patent_app_number] => 7/851642 [patent_app_country] => US [patent_app_date] => 1992-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 1074 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/236/05236034.pdf [firstpage_image] =>[orig_patent_app_number] => 851642 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/851642
Web reinforced expendable core Mar 15, 1992 Issued
Array ( [id] => 3025133 [patent_doc_number] => 05285706 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-15 [patent_title] => 'Pipe threading apparatus' [patent_app_type] => 1 [patent_app_number] => 7/849711 [patent_app_country] => US [patent_app_date] => 1992-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 4307 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/285/05285706.pdf [firstpage_image] =>[orig_patent_app_number] => 849711 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/849711
Pipe threading apparatus Mar 10, 1992 Issued
Array ( [id] => 2915634 [patent_doc_number] => 05219029 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-15 [patent_title] => 'Oscillator for continuous casting mold' [patent_app_type] => 1 [patent_app_number] => 7/848590 [patent_app_country] => US [patent_app_date] => 1992-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 3636 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/219/05219029.pdf [firstpage_image] =>[orig_patent_app_number] => 848590 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/848590
Oscillator for continuous casting mold Mar 8, 1992 Issued
Array ( [id] => 2899878 [patent_doc_number] => 05178201 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-12 [patent_title] => 'Method for producing an implant with an open-celled metal structure' [patent_app_type] => 1 [patent_app_number] => 7/845303 [patent_app_country] => US [patent_app_date] => 1992-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1941 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/178/05178201.pdf [firstpage_image] =>[orig_patent_app_number] => 845303 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/845303
Method for producing an implant with an open-celled metal structure Mar 2, 1992 Issued
Array ( [id] => 2922954 [patent_doc_number] => 05219408 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-15 [patent_title] => 'One-body precision cast metal wood' [patent_app_type] => 1 [patent_app_number] => 7/844757 [patent_app_country] => US [patent_app_date] => 1992-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 2085 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/219/05219408.pdf [firstpage_image] =>[orig_patent_app_number] => 844757 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/844757
One-body precision cast metal wood Mar 1, 1992 Issued
Array ( [id] => 2815028 [patent_doc_number] => 05174359 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-29 [patent_title] => 'Saw guide bearing casting machine' [patent_app_type] => 1 [patent_app_number] => 7/843860 [patent_app_country] => US [patent_app_date] => 1992-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 3374 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/174/05174359.pdf [firstpage_image] =>[orig_patent_app_number] => 843860 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/843860
Saw guide bearing casting machine Feb 26, 1992 Issued
Array ( [id] => 2873881 [patent_doc_number] => 05269362 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-14 [patent_title] => 'Automatic molten metal distribution system' [patent_app_type] => 1 [patent_app_number] => 7/836513 [patent_app_country] => US [patent_app_date] => 1992-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3910 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/269/05269362.pdf [firstpage_image] =>[orig_patent_app_number] => 836513 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/836513
Automatic molten metal distribution system Feb 17, 1992 Issued
Array ( [id] => 2914049 [patent_doc_number] => 05232041 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-03 [patent_title] => 'Method for metallurgically bonding cast-in-place cylinder liners to a cylinder block' [patent_app_type] => 1 [patent_app_number] => 7/835781 [patent_app_country] => US [patent_app_date] => 1992-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1519 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/232/05232041.pdf [firstpage_image] =>[orig_patent_app_number] => 835781 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/835781
Method for metallurgically bonding cast-in-place cylinder liners to a cylinder block Feb 13, 1992 Issued
Array ( [id] => 2944956 [patent_doc_number] => 05273098 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-28 [patent_title] => 'Removable cores for metal castings' [patent_app_type] => 1 [patent_app_number] => 7/833790 [patent_app_country] => US [patent_app_date] => 1992-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2095 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/273/05273098.pdf [firstpage_image] =>[orig_patent_app_number] => 833790 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/833790
Removable cores for metal castings Feb 11, 1992 Issued
Array ( [id] => 2945086 [patent_doc_number] => 05263534 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-23 [patent_title] => 'Exothermic type mold additives for continuous casting' [patent_app_type] => 1 [patent_app_number] => 7/809550 [patent_app_country] => US [patent_app_date] => 1992-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5007 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/263/05263534.pdf [firstpage_image] =>[orig_patent_app_number] => 809550 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/809550
Exothermic type mold additives for continuous casting Jan 29, 1992 Issued
Array ( [id] => 2957938 [patent_doc_number] => 05201811 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-13 [patent_title] => 'Method and apparatus for the manufacture of unitary complex cores' [patent_app_type] => 1 [patent_app_number] => 7/826791 [patent_app_country] => US [patent_app_date] => 1992-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 3060 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/201/05201811.pdf [firstpage_image] =>[orig_patent_app_number] => 826791 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/826791
Method and apparatus for the manufacture of unitary complex cores Jan 27, 1992 Issued
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