
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 2915326
[patent_doc_number] => 05219014
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-06-15
[patent_title] => 'Device and method for fabricating foundry molds from granular material'
[patent_app_type] => 1
[patent_app_number] => 7/824075
[patent_app_country] => US
[patent_app_date] => 1992-01-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 5
[patent_no_of_words] => 1725
[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/05/219/05219014.pdf
[firstpage_image] =>[orig_patent_app_number] => 824075
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/824075 | Device and method for fabricating foundry molds from granular material | Jan 22, 1992 | Issued |
Array
(
[id] => 3018127
[patent_doc_number] => 05299620
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-04-05
[patent_title] => 'Metal casting surface modification by powder impregnation'
[patent_app_type] => 1
[patent_app_number] => 7/822903
[patent_app_country] => US
[patent_app_date] => 1992-01-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 6
[patent_no_of_words] => 2092
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 75
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/299/05299620.pdf
[firstpage_image] =>[orig_patent_app_number] => 822903
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/822903 | Metal casting surface modification by powder impregnation | Jan 20, 1992 | Issued |
Array
(
[id] => 2869960
[patent_doc_number] => 05267600
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-12-07
[patent_title] => 'Hard facing casting surfaces with wear-resistant sheets'
[patent_app_type] => 1
[patent_app_number] => 7/822904
[patent_app_country] => US
[patent_app_date] => 1992-01-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 6
[patent_no_of_words] => 2336
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 103
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/267/05267600.pdf
[firstpage_image] =>[orig_patent_app_number] => 822904
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/822904 | Hard facing casting surfaces with wear-resistant sheets | Jan 20, 1992 | Issued |
Array
(
[id] => 2882593
[patent_doc_number] => 05217059
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-06-08
[patent_title] => 'Casting core and method for forming a water jacket chamber within a cast cylinder block'
[patent_app_type] => 1
[patent_app_number] => 7/821968
[patent_app_country] => US
[patent_app_date] => 1992-01-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 14
[patent_no_of_words] => 3625
[patent_no_of_claims] => 24
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 29
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/217/05217059.pdf
[firstpage_image] =>[orig_patent_app_number] => 821968
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/821968 | Casting core and method for forming a water jacket chamber within a cast cylinder block | Jan 15, 1992 | Issued |
Array
(
[id] => 2995710
[patent_doc_number] => 05280820
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-01-25
[patent_title] => 'Method for metallurgically bonding cylinder liners to a cylinder block of an internal combustion engine'
[patent_app_type] => 1
[patent_app_number] => 7/821763
[patent_app_country] => US
[patent_app_date] => 1992-01-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 4
[patent_no_of_words] => 2233
[patent_no_of_claims] => 24
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 25
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/280/05280820.pdf
[firstpage_image] =>[orig_patent_app_number] => 821763
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/821763 | Method for metallurgically bonding cylinder liners to a cylinder block of an internal combustion engine | Jan 14, 1992 | Issued |
Array
(
[id] => 2957063
[patent_doc_number] => 05207266
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-05-04
[patent_title] => 'Water-cooled copper casting mold'
[patent_app_type] => 1
[patent_app_number] => 7/816820
[patent_app_country] => US
[patent_app_date] => 1992-01-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 16
[patent_no_of_words] => 2532
[patent_no_of_claims] => 2
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 133
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/207/05207266.pdf
[firstpage_image] =>[orig_patent_app_number] => 816820
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/816820 | Water-cooled copper casting mold | Jan 2, 1992 | Issued |
Array
(
[id] => 3052803
[patent_doc_number] => 05293925
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-03-15
[patent_title] => 'Method of and apparatus for withdrawing strand in horizontal continuous casting installation'
[patent_app_type] => 1
[patent_app_number] => 7/811964
[patent_app_country] => US
[patent_app_date] => 1991-12-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 28
[patent_figures_cnt] => 42
[patent_no_of_words] => 12616
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 224
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/293/05293925.pdf
[firstpage_image] =>[orig_patent_app_number] => 811964
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/811964 | Method of and apparatus for withdrawing strand in horizontal continuous casting installation | Dec 22, 1991 | Issued |
Array
(
[id] => 2900579
[patent_doc_number] => 05205342
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-04-27
[patent_title] => 'Continuous slab caster arrangement followed by a rolling mill'
[patent_app_type] => 1
[patent_app_number] => 7/809267
[patent_app_country] => US
[patent_app_date] => 1991-12-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 10
[patent_no_of_words] => 4413
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 241
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/205/05205342.pdf
[firstpage_image] =>[orig_patent_app_number] => 809267
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/809267 | Continuous slab caster arrangement followed by a rolling mill | Dec 15, 1991 | Issued |
Array
(
[id] => 3027183
[patent_doc_number] => 05333668
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-08-02
[patent_title] => 'Process for creation of metallurgically bonded inserts cast-in-place in a cast aluminum article'
[patent_app_type] => 1
[patent_app_number] => 7/803846
[patent_app_country] => US
[patent_app_date] => 1991-12-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 11
[patent_no_of_words] => 9244
[patent_no_of_claims] => 23
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 208
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/333/05333668.pdf
[firstpage_image] =>[orig_patent_app_number] => 803846
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/803846 | Process for creation of metallurgically bonded inserts cast-in-place in a cast aluminum article | Dec 8, 1991 | Issued |
Array
(
[id] => 2923921
[patent_doc_number] => 05222547
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-06-29
[patent_title] => 'Intermediate pressure electron beam furnace'
[patent_app_type] => 1
[patent_app_number] => 7/792247
[patent_app_country] => US
[patent_app_date] => 1991-11-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 2
[patent_no_of_words] => 2134
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 76
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/222/05222547.pdf
[firstpage_image] =>[orig_patent_app_number] => 792247
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/792247 | Intermediate pressure electron beam furnace | Nov 13, 1991 | Issued |
Array
(
[id] => 2956072
[patent_doc_number] => 05193605
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-03-16
[patent_title] => 'Techniques for preparation of ingot metallurgical discontinuous composites'
[patent_app_type] => 1
[patent_app_number] => 7/787807
[patent_app_country] => US
[patent_app_date] => 1991-11-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 6
[patent_no_of_words] => 2633
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 103
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/193/05193605.pdf
[firstpage_image] =>[orig_patent_app_number] => 787807
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/787807 | Techniques for preparation of ingot metallurgical discontinuous composites | Nov 3, 1991 | Issued |
| 07/787033 | METHOD OF MANUFACTURING CORE AND MOLD | Nov 3, 1991 | Abandoned |
Array
(
[id] => 2913576
[patent_doc_number] => 05188023
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-02-23
[patent_title] => 'Cast formed bi-metallic worm assembly and method'
[patent_app_type] => 1
[patent_app_number] => 7/784981
[patent_app_country] => US
[patent_app_date] => 1991-10-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 11
[patent_no_of_words] => 3046
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 158
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/188/05188023.pdf
[firstpage_image] =>[orig_patent_app_number] => 784981
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/784981 | Cast formed bi-metallic worm assembly and method | Oct 29, 1991 | Issued |
Array
(
[id] => 3448819
[patent_doc_number] => 05381851
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1995-01-17
[patent_title] => 'Low pressure chill casting method for casting metal cast components'
[patent_app_type] => 1
[patent_app_number] => 7/768748
[patent_app_country] => US
[patent_app_date] => 1991-10-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 2
[patent_no_of_words] => 1853
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 113
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/381/05381851.pdf
[firstpage_image] =>[orig_patent_app_number] => 768748
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/768748 | Low pressure chill casting method for casting metal cast components | Oct 17, 1991 | Issued |
Array
(
[id] => 2870001
[patent_doc_number] => 05267602
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-12-07
[patent_title] => 'Casting metals'
[patent_app_type] => 1
[patent_app_number] => 7/777001
[patent_app_country] => US
[patent_app_date] => 1991-10-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 2095
[patent_no_of_claims] => 21
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 71
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/267/05267602.pdf
[firstpage_image] =>[orig_patent_app_number] => 777001
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/777001 | Casting metals | Oct 15, 1991 | Issued |
| 07/774110 | METHOD OF DISCRIMINATING QUALITY OF DIE-CAST ARTICLE AND DIE-CASTING PROCESS USING SAME | Oct 14, 1991 | Abandoned |
Array
(
[id] => 2868857
[patent_doc_number] => 05213149
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-05-25
[patent_title] => 'Mold and method for making variable thickness cast articles'
[patent_app_type] => 1
[patent_app_number] => 7/776607
[patent_app_country] => US
[patent_app_date] => 1991-10-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 2
[patent_no_of_words] => 3689
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 51
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/213/05213149.pdf
[firstpage_image] =>[orig_patent_app_number] => 776607
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/776607 | Mold and method for making variable thickness cast articles | Oct 9, 1991 | Issued |
Array
(
[id] => 2966649
[patent_doc_number] => 05207776
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-05-04
[patent_title] => 'Bi-metallic extrusion billet preforms and method and apparatus for producing same'
[patent_app_type] => 1
[patent_app_number] => 7/771906
[patent_app_country] => US
[patent_app_date] => 1991-10-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 3815
[patent_no_of_claims] => 24
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 147
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/207/05207776.pdf
[firstpage_image] =>[orig_patent_app_number] => 771906
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/771906 | Bi-metallic extrusion billet preforms and method and apparatus for producing same | Oct 3, 1991 | Issued |
Array
(
[id] => 2958408
[patent_doc_number] => 05255730
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-10-26
[patent_title] => 'Process for producing a casting consisting of a primary piece and a secondary piece using the casting-on technique and a ceramic insulating compound suitable for this'
[patent_app_type] => 1
[patent_app_number] => 7/743349
[patent_app_country] => US
[patent_app_date] => 1991-10-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6607
[patent_no_of_claims] => 25
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 113
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/255/05255730.pdf
[firstpage_image] =>[orig_patent_app_number] => 743349
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/743349 | Process for producing a casting consisting of a primary piece and a secondary piece using the casting-on technique and a ceramic insulating compound suitable for this | Sep 30, 1991 | Issued |
Array
(
[id] => 2932090
[patent_doc_number] => 05261477
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-11-16
[patent_title] => 'Process for producing parts with an abrasion-proof surface'
[patent_app_type] => 1
[patent_app_number] => 7/769455
[patent_app_country] => US
[patent_app_date] => 1991-10-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_words] => 4781
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/261/05261477.pdf
[firstpage_image] =>[orig_patent_app_number] => 769455
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/769455 | Process for producing parts with an abrasion-proof surface | Sep 30, 1991 | Issued |