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] => 2897064 [patent_doc_number] => 05178055 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-12 [patent_title] => 'Vacuum booster' [patent_app_type] => 1 [patent_app_number] => 7/696795 [patent_app_country] => US [patent_app_date] => 1991-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4838 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/178/05178055.pdf [firstpage_image] =>[orig_patent_app_number] => 696795 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/696795
Vacuum booster May 6, 1991 Issued
07/691645 HYDRAULIC BOOSTER FOR VEHICLE Apr 24, 1991 Abandoned
Array ( [id] => 2830458 [patent_doc_number] => 05125232 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-30 [patent_title] => 'Control change system for a hydraulic working vehicle' [patent_app_type] => 1 [patent_app_number] => 7/691617 [patent_app_country] => US [patent_app_date] => 1991-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 18 [patent_no_of_words] => 4681 [patent_no_of_claims] => 8 [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/05/125/05125232.pdf [firstpage_image] =>[orig_patent_app_number] => 691617 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/691617
Control change system for a hydraulic working vehicle Apr 24, 1991 Issued
Array ( [id] => 2762733 [patent_doc_number] => 05163292 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-17 [patent_title] => 'Simplified fluid pressure operated engine' [patent_app_type] => 1 [patent_app_number] => 7/687636 [patent_app_country] => US [patent_app_date] => 1991-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2032 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/163/05163292.pdf [firstpage_image] =>[orig_patent_app_number] => 687636 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/687636
Simplified fluid pressure operated engine Apr 18, 1991 Issued
Array ( [id] => 2764308 [patent_doc_number] => 05140903 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-25 [patent_title] => 'Wobble plate type compressor' [patent_app_type] => 1 [patent_app_number] => 7/683044 [patent_app_country] => US [patent_app_date] => 1991-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 4448 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/140/05140903.pdf [firstpage_image] =>[orig_patent_app_number] => 683044 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/683044
Wobble plate type compressor Apr 9, 1991 Issued
Array ( [id] => 2824174 [patent_doc_number] => 05159872 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-03 [patent_title] => 'Valve units for use in hydraulic control systems of mining equipment' [patent_app_type] => 1 [patent_app_number] => 7/682986 [patent_app_country] => US [patent_app_date] => 1991-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3013 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/159/05159872.pdf [firstpage_image] =>[orig_patent_app_number] => 682986 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/682986
Valve units for use in hydraulic control systems of mining equipment Apr 9, 1991 Issued
Array ( [id] => 2833686 [patent_doc_number] => 05111737 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-12 [patent_title] => 'Wrist pin retainer for blind assembly' [patent_app_type] => 1 [patent_app_number] => 7/681594 [patent_app_country] => US [patent_app_date] => 1991-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 1385 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/111/05111737.pdf [firstpage_image] =>[orig_patent_app_number] => 681594 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/681594
Wrist pin retainer for blind assembly Apr 7, 1991 Issued
Array ( [id] => 2931197 [patent_doc_number] => 05179888 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-19 [patent_title] => 'Split clamp linear solenoid valve positioner' [patent_app_type] => 1 [patent_app_number] => 7/679566 [patent_app_country] => US [patent_app_date] => 1991-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 5759 [patent_no_of_claims] => 47 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/179/05179888.pdf [firstpage_image] =>[orig_patent_app_number] => 679566 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/679566
Split clamp linear solenoid valve positioner Apr 1, 1991 Issued
07/679234 PISTON FOR INTERNAL COMBUSTION ENGINES AND LIKE MACHINES Apr 1, 1991 Abandoned
Array ( [id] => 2931174 [patent_doc_number] => 05179887 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-19 [patent_title] => 'Captive cylinder linear solenoid valve positioner' [patent_app_type] => 1 [patent_app_number] => 7/679296 [patent_app_country] => US [patent_app_date] => 1991-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4855 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/179/05179887.pdf [firstpage_image] =>[orig_patent_app_number] => 679296 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/679296
Captive cylinder linear solenoid valve positioner Apr 1, 1991 Issued
Array ( [id] => 2779853 [patent_doc_number] => 05102301 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-07 [patent_title] => 'Variable pitch propeller blades, hub and drive and adjusting mechanism therefor' [patent_app_type] => 1 [patent_app_number] => 7/678721 [patent_app_country] => US [patent_app_date] => 1991-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 35 [patent_no_of_words] => 14670 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/102/05102301.pdf [firstpage_image] =>[orig_patent_app_number] => 678721 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/678721
Variable pitch propeller blades, hub and drive and adjusting mechanism therefor Mar 31, 1991 Issued
Array ( [id] => 2846554 [patent_doc_number] => 05095804 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-17 [patent_title] => 'Drive for a steam servo valve' [patent_app_type] => 1 [patent_app_number] => 7/674888 [patent_app_country] => US [patent_app_date] => 1991-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3170 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/095/05095804.pdf [firstpage_image] =>[orig_patent_app_number] => 674888 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/674888
Drive for a steam servo valve Mar 25, 1991 Issued
Array ( [id] => 2804943 [patent_doc_number] => 05115719 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-26 [patent_title] => 'Pneumatic booster' [patent_app_type] => 1 [patent_app_number] => 7/671966 [patent_app_country] => US [patent_app_date] => 1991-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4941 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 346 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/115/05115719.pdf [firstpage_image] =>[orig_patent_app_number] => 671966 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/671966
Pneumatic booster Mar 17, 1991 Issued
Array ( [id] => 2795393 [patent_doc_number] => 05085129 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-04 [patent_title] => 'Joint system' [patent_app_type] => 1 [patent_app_number] => 7/666234 [patent_app_country] => US [patent_app_date] => 1991-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4015 [patent_no_of_claims] => 19 [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/05/085/05085129.pdf [firstpage_image] =>[orig_patent_app_number] => 666234 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/666234
Joint system Mar 7, 1991 Issued
Array ( [id] => 2752897 [patent_doc_number] => 05131226 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-21 [patent_title] => 'Variable volume reservoir and method for its use' [patent_app_type] => 1 [patent_app_number] => 7/649577 [patent_app_country] => US [patent_app_date] => 1991-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 6302 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/131/05131226.pdf [firstpage_image] =>[orig_patent_app_number] => 649577 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/649577
Variable volume reservoir and method for its use Mar 3, 1991 Issued
Array ( [id] => 2782834 [patent_doc_number] => 05123331 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-23 [patent_title] => 'Stability compensating circuit of actuator system' [patent_app_type] => 1 [patent_app_number] => 7/656467 [patent_app_country] => US [patent_app_date] => 1991-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 2019 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/123/05123331.pdf [firstpage_image] =>[orig_patent_app_number] => 656467 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/656467
Stability compensating circuit of actuator system Feb 18, 1991 Issued
Array ( [id] => 2725600 [patent_doc_number] => 05076759 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-31 [patent_title] => 'Windmill' [patent_app_type] => 1 [patent_app_number] => 7/656014 [patent_app_country] => US [patent_app_date] => 1991-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2027 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 417 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/076/05076759.pdf [firstpage_image] =>[orig_patent_app_number] => 656014 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/656014
Windmill Feb 13, 1991 Issued
Array ( [id] => 2690805 [patent_doc_number] => 05052180 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-01 [patent_title] => 'Fluid pressure driven power system' [patent_app_type] => 1 [patent_app_number] => 7/655559 [patent_app_country] => US [patent_app_date] => 1991-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 2549 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/052/05052180.pdf [firstpage_image] =>[orig_patent_app_number] => 655559 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/655559
Fluid pressure driven power system Feb 12, 1991 Issued
Array ( [id] => 2654292 [patent_doc_number] => 05072607 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-17 [patent_title] => 'Brake booster-mounting instruction' [patent_app_type] => 1 [patent_app_number] => 7/654024 [patent_app_country] => US [patent_app_date] => 1991-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2117 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/072/05072607.pdf [firstpage_image] =>[orig_patent_app_number] => 654024 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/654024
Brake booster-mounting instruction Feb 11, 1991 Issued
Array ( [id] => 2810500 [patent_doc_number] => 05127311 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-07 [patent_title] => 'Hydraulic system for a servo steering of a motor vehicle' [patent_app_type] => 1 [patent_app_number] => 7/650107 [patent_app_country] => US [patent_app_date] => 1991-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1081 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/127/05127311.pdf [firstpage_image] =>[orig_patent_app_number] => 650107 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/650107
Hydraulic system for a servo steering of a motor vehicle Feb 3, 1991 Issued
Menu