Search

Hoang M. Nguyen

Examiner (ID: 6971, Phone: (571)272-4861 , Office: P/3748 )

Most Active Art Unit
3748
Art Unit(s)
3401, 3746, 3745, 3748, 2899
Total Applications
5385
Issued Applications
4291
Pending Applications
357
Abandoned Applications
768

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2581888 [patent_doc_number] => 04969796 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-13 [patent_title] => 'Method and apparatus for cooling shaft seals' [patent_app_type] => 1 [patent_app_number] => 7/429109 [patent_app_country] => US [patent_app_date] => 1989-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4666 [patent_no_of_claims] => 20 [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/04/969/04969796.pdf [firstpage_image] =>[orig_patent_app_number] => 429109 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/429109
Method and apparatus for cooling shaft seals Oct 29, 1989 Issued
Array ( [id] => 2749138 [patent_doc_number] => 05059095 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-22 [patent_title] => 'Turbine rotor blade tip coated with alumina-zirconia ceramic' [patent_app_type] => 1 [patent_app_number] => 7/429256 [patent_app_country] => US [patent_app_date] => 1989-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 3351 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/059/05059095.pdf [firstpage_image] =>[orig_patent_app_number] => 429256 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/429256
Turbine rotor blade tip coated with alumina-zirconia ceramic Oct 29, 1989 Issued
Array ( [id] => 2751979 [patent_doc_number] => 05074194 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-24 [patent_title] => 'Hydraulic driving method of and hydraulic driving apparatus for hydraulic machine' [patent_app_type] => 1 [patent_app_number] => 7/432729 [patent_app_country] => US [patent_app_date] => 1989-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 6541 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/074/05074194.pdf [firstpage_image] =>[orig_patent_app_number] => 432729 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/432729
Hydraulic driving method of and hydraulic driving apparatus for hydraulic machine Oct 26, 1989 Issued
Array ( [id] => 2806822 [patent_doc_number] => 05080553 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-14 [patent_title] => 'Turbo wind engine' [patent_app_type] => 1 [patent_app_number] => 7/432768 [patent_app_country] => US [patent_app_date] => 1989-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 16 [patent_no_of_words] => 1925 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/080/05080553.pdf [firstpage_image] =>[orig_patent_app_number] => 432768 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/432768
Turbo wind engine Oct 23, 1989 Issued
Array ( [id] => 2862645 [patent_doc_number] => 05090870 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-25 [patent_title] => 'Method for fluent mass surface texturing a turbine vane' [patent_app_type] => 1 [patent_app_number] => 7/424536 [patent_app_country] => US [patent_app_date] => 1989-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 5621 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/090/05090870.pdf [firstpage_image] =>[orig_patent_app_number] => 424536 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/424536
Method for fluent mass surface texturing a turbine vane Oct 19, 1989 Issued
Array ( [id] => 2758747 [patent_doc_number] => 05035576 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-30 [patent_title] => 'Propeller blade pin attachment' [patent_app_type] => 1 [patent_app_number] => 7/419863 [patent_app_country] => US [patent_app_date] => 1989-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1926 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/035/05035576.pdf [firstpage_image] =>[orig_patent_app_number] => 419863 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/419863
Propeller blade pin attachment Oct 10, 1989 Issued
Array ( [id] => 2651013 [patent_doc_number] => 04978276 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-18 [patent_title] => 'Pump stage for a high-vacuum pump' [patent_app_type] => 1 [patent_app_number] => 7/419194 [patent_app_country] => US [patent_app_date] => 1989-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1384 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/978/04978276.pdf [firstpage_image] =>[orig_patent_app_number] => 419194 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/419194
Pump stage for a high-vacuum pump Oct 9, 1989 Issued
Array ( [id] => 2697872 [patent_doc_number] => 04992025 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-12 [patent_title] => 'Film cooled components' [patent_app_type] => 1 [patent_app_number] => 7/417971 [patent_app_country] => US [patent_app_date] => 1989-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 4885 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/992/04992025.pdf [firstpage_image] =>[orig_patent_app_number] => 417971 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/417971
Film cooled components Oct 9, 1989 Issued
Array ( [id] => 2860388 [patent_doc_number] => 05161950 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-10 [patent_title] => 'Dual alloy turbine disk' [patent_app_type] => 1 [patent_app_number] => 7/417096 [patent_app_country] => US [patent_app_date] => 1989-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5776 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/161/05161950.pdf [firstpage_image] =>[orig_patent_app_number] => 417096 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/417096
Dual alloy turbine disk Oct 3, 1989 Issued
Array ( [id] => 2659857 [patent_doc_number] => 05046923 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-10 [patent_title] => 'Helicopter autorotation detection and recovery' [patent_app_type] => 1 [patent_app_number] => 7/416176 [patent_app_country] => US [patent_app_date] => 1989-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3076 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 309 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/046/05046923.pdf [firstpage_image] =>[orig_patent_app_number] => 416176 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/416176
Helicopter autorotation detection and recovery Oct 1, 1989 Issued
Array ( [id] => 2735169 [patent_doc_number] => 05002460 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-26 [patent_title] => 'Internally cooled airfoil blade' [patent_app_type] => 1 [patent_app_number] => 7/415756 [patent_app_country] => US [patent_app_date] => 1989-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1788 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/002/05002460.pdf [firstpage_image] =>[orig_patent_app_number] => 415756 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/415756
Internally cooled airfoil blade Oct 1, 1989 Issued
Array ( [id] => 2686295 [patent_doc_number] => 04995786 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-26 [patent_title] => 'Dual variable camber compressor stator vane' [patent_app_type] => 1 [patent_app_number] => 7/413574 [patent_app_country] => US [patent_app_date] => 1989-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 15 [patent_no_of_words] => 1760 [patent_no_of_claims] => 6 [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/04/995/04995786.pdf [firstpage_image] =>[orig_patent_app_number] => 413574 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/413574
Dual variable camber compressor stator vane Sep 27, 1989 Issued
07/412790 HIGH SPEED COMPOSITE TURBINE WHEEL Sep 25, 1989 Abandoned
Array ( [id] => 2725399 [patent_doc_number] => 04997340 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-05 [patent_title] => 'Balance piston and seal arrangement' [patent_app_type] => 1 [patent_app_number] => 7/412076 [patent_app_country] => US [patent_app_date] => 1989-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2171 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/997/04997340.pdf [firstpage_image] =>[orig_patent_app_number] => 412076 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/412076
Balance piston and seal arrangement Sep 24, 1989 Issued
Array ( [id] => 2706545 [patent_doc_number] => 05007799 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-16 [patent_title] => 'Flapping restrainer device for rotorcraft rotor blades, and rotor head comprising said device' [patent_app_type] => 1 [patent_app_number] => 7/411128 [patent_app_country] => US [patent_app_date] => 1989-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 11763 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/007/05007799.pdf [firstpage_image] =>[orig_patent_app_number] => 411128 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/411128
Flapping restrainer device for rotorcraft rotor blades, and rotor head comprising said device Sep 21, 1989 Issued
Array ( [id] => 2624455 [patent_doc_number] => 04952119 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-28 [patent_title] => 'Tip brake mechanism for a wind generator blade' [patent_app_type] => 1 [patent_app_number] => 7/410592 [patent_app_country] => US [patent_app_date] => 1989-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 2940 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 485 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/952/04952119.pdf [firstpage_image] =>[orig_patent_app_number] => 410592 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/410592
Tip brake mechanism for a wind generator blade Sep 20, 1989 Issued
Array ( [id] => 2740316 [patent_doc_number] => 05020969 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-04 [patent_title] => 'Turbo vacuum pump' [patent_app_type] => 1 [patent_app_number] => 7/409720 [patent_app_country] => US [patent_app_date] => 1989-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 4861 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/020/05020969.pdf [firstpage_image] =>[orig_patent_app_number] => 409720 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/409720
Turbo vacuum pump Sep 19, 1989 Issued
Array ( [id] => 2752440 [patent_doc_number] => 04993917 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-19 [patent_title] => 'Gas compressor having dry gas seals' [patent_app_type] => 1 [patent_app_number] => 7/410046 [patent_app_country] => US [patent_app_date] => 1989-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3520 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/993/04993917.pdf [firstpage_image] =>[orig_patent_app_number] => 410046 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/410046
Gas compressor having dry gas seals Sep 18, 1989 Issued
Array ( [id] => 2698708 [patent_doc_number] => 05040945 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-20 [patent_title] => 'Plastic hydraulic turbine' [patent_app_type] => 1 [patent_app_number] => 7/409009 [patent_app_country] => US [patent_app_date] => 1989-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2310 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 340 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/040/05040945.pdf [firstpage_image] =>[orig_patent_app_number] => 409009 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/409009
Plastic hydraulic turbine Sep 17, 1989 Issued
Array ( [id] => 2686313 [patent_doc_number] => 04995787 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-26 [patent_title] => 'Axial flow impeller' [patent_app_type] => 1 [patent_app_number] => 7/408744 [patent_app_country] => US [patent_app_date] => 1989-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1656 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/995/04995787.pdf [firstpage_image] =>[orig_patent_app_number] => 408744 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/408744
Axial flow impeller Sep 17, 1989 Issued
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