
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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
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[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
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[patent_no_of_words] => 4280
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[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
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[patent_no_of_words] => 9447
[patent_no_of_claims] => 13
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[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 |