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] => 2786133 [patent_doc_number] => 05155996 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-20 [patent_title] => 'Hydraulic drive system for construction machine' [patent_app_type] => 1 [patent_app_number] => 7/566466 [patent_app_country] => US [patent_app_date] => 1990-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 42 [patent_no_of_words] => 26017 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 310 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/155/05155996.pdf [firstpage_image] =>[orig_patent_app_number] => 566466 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/566466
Hydraulic drive system for construction machine Aug 19, 1990 Issued
Array ( [id] => 2857468 [patent_doc_number] => 05096379 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-17 [patent_title] => 'Film cooled components' [patent_app_type] => 1 [patent_app_number] => 7/568781 [patent_app_country] => US [patent_app_date] => 1990-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 4923 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/096/05096379.pdf [firstpage_image] =>[orig_patent_app_number] => 568781 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/568781
Film cooled components Aug 16, 1990 Issued
Array ( [id] => 2688252 [patent_doc_number] => 05067392 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-26 [patent_title] => 'Pneumatic booster' [patent_app_type] => 1 [patent_app_number] => 7/568149 [patent_app_country] => US [patent_app_date] => 1990-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1036 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/067/05067392.pdf [firstpage_image] =>[orig_patent_app_number] => 568149 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/568149
Pneumatic booster Aug 15, 1990 Issued
Array ( [id] => 2820138 [patent_doc_number] => 05170691 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-15 [patent_title] => 'Fluid pressure amplifier' [patent_app_type] => 1 [patent_app_number] => 7/567784 [patent_app_country] => US [patent_app_date] => 1990-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4451 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 633 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/170/05170691.pdf [firstpage_image] =>[orig_patent_app_number] => 567784 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/567784
Fluid pressure amplifier Aug 14, 1990 Issued
Array ( [id] => 2715421 [patent_doc_number] => 05024582 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-18 [patent_title] => 'Steam turbine rotor having graded weldments' [patent_app_type] => 1 [patent_app_number] => 7/567032 [patent_app_country] => US [patent_app_date] => 1990-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2787 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/024/05024582.pdf [firstpage_image] =>[orig_patent_app_number] => 567032 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/567032
Steam turbine rotor having graded weldments Aug 13, 1990 Issued
Array ( [id] => 2655089 [patent_doc_number] => 05072650 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-17 [patent_title] => 'Power steering system with improved stability' [patent_app_type] => 1 [patent_app_number] => 7/562478 [patent_app_country] => US [patent_app_date] => 1990-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 74 [patent_no_of_words] => 7591 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/072/05072650.pdf [firstpage_image] =>[orig_patent_app_number] => 562478 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/562478
Power steering system with improved stability Aug 2, 1990 Issued
Array ( [id] => 2712079 [patent_doc_number] => 05076056 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-31 [patent_title] => 'Enhanced pneumatic brake system' [patent_app_type] => 1 [patent_app_number] => 7/561136 [patent_app_country] => US [patent_app_date] => 1990-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2243 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/076/05076056.pdf [firstpage_image] =>[orig_patent_app_number] => 561136 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/561136
Enhanced pneumatic brake system Jul 31, 1990 Issued
Array ( [id] => 2805896 [patent_doc_number] => 05094078 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-10 [patent_title] => 'Hydraulic transmission for motor vehicle' [patent_app_type] => 1 [patent_app_number] => 7/559896 [patent_app_country] => US [patent_app_date] => 1990-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 16 [patent_no_of_words] => 5445 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/094/05094078.pdf [firstpage_image] =>[orig_patent_app_number] => 559896 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/559896
Hydraulic transmission for motor vehicle Jul 29, 1990 Issued
Array ( [id] => 2659783 [patent_doc_number] => 05046919 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-10 [patent_title] => 'High efficiency turboexpander' [patent_app_type] => 1 [patent_app_number] => 7/560003 [patent_app_country] => US [patent_app_date] => 1990-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2265 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/046/05046919.pdf [firstpage_image] =>[orig_patent_app_number] => 560003 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/560003
High efficiency turboexpander Jul 26, 1990 Issued
07/558228 HYDRAULIC BOOSTER DEVICE FOR LINEAR ACTUATOR Jul 25, 1990 Abandoned
Array ( [id] => 2938784 [patent_doc_number] => 05230273 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-27 [patent_title] => 'Apparatus for controlling fluid flow to a power steering actuator' [patent_app_type] => 1 [patent_app_number] => 7/558068 [patent_app_country] => US [patent_app_date] => 1990-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 7151 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/230/05230273.pdf [firstpage_image] =>[orig_patent_app_number] => 558068 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/558068
Apparatus for controlling fluid flow to a power steering actuator Jul 24, 1990 Issued
Array ( [id] => 2749183 [patent_doc_number] => 05062264 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-05 [patent_title] => 'Hydraulic control system' [patent_app_type] => 1 [patent_app_number] => 7/556417 [patent_app_country] => US [patent_app_date] => 1990-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4671 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/062/05062264.pdf [firstpage_image] =>[orig_patent_app_number] => 556417 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/556417
Hydraulic control system Jul 23, 1990 Issued
Array ( [id] => 2726895 [patent_doc_number] => 05051060 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-24 [patent_title] => 'Gas friction pump having an outlet-side helical stage' [patent_app_type] => 1 [patent_app_number] => 7/554721 [patent_app_country] => US [patent_app_date] => 1990-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2097 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/051/05051060.pdf [firstpage_image] =>[orig_patent_app_number] => 554721 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/554721
Gas friction pump having an outlet-side helical stage Jul 18, 1990 Issued
Array ( [id] => 2843704 [patent_doc_number] => 05133638 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-28 [patent_title] => 'Centrifugal pump diffuser ring assembly' [patent_app_type] => 1 [patent_app_number] => 7/552723 [patent_app_country] => US [patent_app_date] => 1990-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2558 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/133/05133638.pdf [firstpage_image] =>[orig_patent_app_number] => 552723 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/552723
Centrifugal pump diffuser ring assembly Jul 15, 1990 Issued
Array ( [id] => 2862606 [patent_doc_number] => 05090868 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-25 [patent_title] => 'Centrifugal pump' [patent_app_type] => 1 [patent_app_number] => 7/552722 [patent_app_country] => US [patent_app_date] => 1990-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1951 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/090/05090868.pdf [firstpage_image] =>[orig_patent_app_number] => 552722 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/552722
Centrifugal pump Jul 15, 1990 Issued
Array ( [id] => 2856778 [patent_doc_number] => 05117633 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-02 [patent_title] => 'Pneumohydraulic actuator' [patent_app_type] => 1 [patent_app_number] => 7/550609 [patent_app_country] => US [patent_app_date] => 1990-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3900 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/117/05117633.pdf [firstpage_image] =>[orig_patent_app_number] => 550609 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/550609
Pneumohydraulic actuator Jul 9, 1990 Issued
Array ( [id] => 3441573 [patent_doc_number] => 05471839 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-12-05 [patent_title] => 'Valve apparatus and hydraulic drive system' [patent_app_type] => 1 [patent_app_number] => 7/536663 [patent_app_country] => US [patent_app_date] => 1990-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5692 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/471/05471839.pdf [firstpage_image] =>[orig_patent_app_number] => 536663 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/536663
Valve apparatus and hydraulic drive system Jul 8, 1990 Issued
Array ( [id] => 2697837 [patent_doc_number] => 04992023 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-12 [patent_title] => 'Vehicle water pump with improved slinger' [patent_app_type] => 1 [patent_app_number] => 7/548651 [patent_app_country] => US [patent_app_date] => 1990-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1771 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/992/04992023.pdf [firstpage_image] =>[orig_patent_app_number] => 548651 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/548651
Vehicle water pump with improved slinger Jul 4, 1990 Issued
Array ( [id] => 2726670 [patent_doc_number] => 05036661 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-06 [patent_title] => 'Regulated level accumulator for liquid under high pressure' [patent_app_type] => 1 [patent_app_number] => 7/547634 [patent_app_country] => US [patent_app_date] => 1990-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 4280 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 330 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/036/05036661.pdf [firstpage_image] =>[orig_patent_app_number] => 547634 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/547634
Regulated level accumulator for liquid under high pressure Jul 1, 1990 Issued
Array ( [id] => 2767262 [patent_doc_number] => 05101629 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-07 [patent_title] => 'Hydraulic circuit system for working machine' [patent_app_type] => 1 [patent_app_number] => 7/499457 [patent_app_country] => US [patent_app_date] => 1990-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 9447 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/101/05101629.pdf [firstpage_image] =>[orig_patent_app_number] => 499457 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/499457
Hydraulic circuit system for working machine Jul 1, 1990 Issued
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