loadpatents
name:-0.0084919929504395
name:-0.02120304107666
name:-0.0017621517181396
Chen; Long Hsiung Patent Filings

Chen; Long Hsiung

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chen; Long Hsiung.The latest application filed is for "injection syringe with seal structure".

Company Profile
0.16.5
  • Chen; Long Hsiung - Taipei TW
  • Chen; Long-Hsiung - Taiwan TW
  • Chen; Long-Hsiung - Taipei 104
  • Chen; Long-Hsiung - Taipei 10477
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Injection syringe with seal structure
Grant 7,104,970 - Chen September 12, 2
2006-09-12
Injection syringe with seal structure
App 20040230163 - Chen, Long Hsiung
2004-11-18
Safety syringe with retractable needle
App 20040143196 - Chen, Long-Hsiung
2004-07-22
Syringe with retractable needle and safety lock
Grant 6,764,465 - Chen July 20, 2
2004-07-20
Syringe with retractable needle and safety lock
App 20030236504 - Chen, Long Hsiung
2003-12-25
Safety vacuum syringe for blood sampling conformed to ergonomics
Grant 6,540,697 - Chen April 1, 2
2003-04-01
Safety vacuum syringe for blood sampling conformed to ergonomics
App 20020133091 - Chen, Long Hsiung
2002-09-19
Safety vacuum syringe for blood sampling conformed to ergonomics
App 20020099355 - Chen, Long Hsiung
2002-07-25
Safety syringe for intravenous injection with a guided plunger
Grant 6,117,107 - Chen September 12, 2
2000-09-12
Safety vacuum syringe for blood sampling conformed to ergonomics
Grant 5,938,622 - Chen August 17, 1
1999-08-17
Structure of safety hypodermic syringe
Grant 5,575,774 - Chen November 19, 1
1996-11-19
Simplified safety syringe with retractable self-biased needle and minimized plunger
Grant 5,569,203 - Chen October 29, 1
1996-10-29
Safety syringe with retractable self-biased needle for intravenous injection without packing ring
Grant 5,562,627 - Chen October 8, 1
1996-10-08
Simplified safety syringe with retractable self-biased needle
Grant 5,328,475 - Chen July 12, 1
1994-07-12
Safety syringe
Grant 5,295,973 - Chen March 22, 1
1994-03-22
Automatically blocked safety syringe adapted for intravenous injection
Grant 5,273,539 - Chen December 28, 1
1993-12-28
Automatically blocked safety syringe with greatly unaligned blocking bulb
Grant 5,273,538 - Chen December 28, 1
1993-12-28
Nest tire structure for a run-flat tire
Grant 5,271,444 - Chen December 21, 1
1993-12-21
Safety syringe with retractible self-biased needle adapted for intravenous injection
Grant 5,242,402 - Chen September 7, 1
1993-09-07
Safety syringe with retractable self-biased needle
Grant 5,232,458 - Chen August 3, 1
1993-08-03
Automatically blocked safety syringe
Grant 5,205,826 - Chen April 27, 1
1993-04-27

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