Patent Explorer
Browse, filter, and analyze 47 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US5030216A | Osmotically driven syringe | Alza Corp | Expired / Lapsed | 1989-12-15 | 1991-07-09 | 2009-12-15 | 0.0 yrs | 19 | |
| US4929233A | Implantable fluid imbibing pump with improved closure | Alza Corp | Expired / Lapsed | 1988-08-26 | 1990-05-29 | 2008-08-26 | 0.0 yrs | 28 | |
| US4874388A | Multi-layer delivery system | Alza Corp | Expired / Lapsed | 1987-06-25 | 1989-10-17 | 2007-06-25 | 0.0 yrs | 27 | |
| US4627850A | Osmotic capsule | Alza Corp | Expired / Lapsed | 1983-11-02 | 1986-12-09 | 2003-11-02 | 0.0 yrs | 29 | |
| US4624847A | Drug delivery device for programmed delivery of beneficial drug | Alza Corp | Expired / Lapsed | 1985-04-22 | 1986-11-25 | 2005-04-22 | 0.0 yrs | 25 | |
| US4608048A | Dispensing device with drug delivery patterns | Alza Corp | Expired / Lapsed | 1984-12-06 | 1986-08-26 | 2004-12-06 | 0.0 yrs | 34 | |
| US4552561A | Body mounted pump housing and pump assembly employing the same | Alza Corp | Expired / Lapsed | 1982-12-23 | 1985-11-12 | 2002-12-23 | 0.0 yrs | 53 | |
| US4539004A | Self-driven pump assembly and method of operation | Alza Corp | Expired / Lapsed | 1984-04-23 | 1985-09-03 | 2004-04-23 | 0.0 yrs | 5 | |
| US4474575A | Self-driven pump assembly and method of operation | Alza Corp | Expired / Lapsed | 1982-09-22 | 1984-10-02 | 2002-09-22 | 0.0 yrs | 12 | |
| US4455144A | Dispenser constructed with semipermeable polymer-hydrophilic polymer wall | Alza Corp | Expired / Lapsed | 1982-09-27 | 1984-06-19 | 2002-09-27 | 0.0 yrs | 11 | |
| US4449983A | Simultaneous delivery of two drugs from unit delivery device | Alza Corp | Expired / Lapsed | 1982-03-22 | 1984-05-22 | 2002-03-22 | 0.0 yrs | 20 | |
| US4410328A | Dispensing device with internal drive | Alza Corp | Expired / Lapsed | 1981-07-10 | 1983-10-18 | 2001-07-10 | 0.0 yrs | 2 | |
| US4016880B1 | US4016880B1 - - Google Patents | Alza Corp | Expired / Lapsed | 1976-03-04 | 1983-02-01 | 1996-03-04 | 0.0 yrs | 0 | |
| US4344929A | Method of delivering drug with aid of effervescent activity generated in environment of use | Alza Corp | Expired / Lapsed | 1981-01-26 | 1982-08-17 | 2001-01-26 | 0.0 yrs | 38 | |
| US4340048A | Self-driven hypodermic injector | Alza Corp | Expired / Lapsed | 1981-03-28 | 1982-07-20 | 2001-03-28 | 0.0 yrs | 18 | |
| US4304232A | Unit system having multiplicity of means for dispensing useful agent | Alza Corp | Expired / Lapsed | 1980-01-28 | 1981-12-08 | 2000-01-28 | 0.0 yrs | 14 | |
| US4256108A | Microporous-semipermeable laminated osmotic system | Alza Corp | Expired / Lapsed | 1979-05-21 | 1981-03-17 | 1999-05-21 | 0.0 yrs | 69 | |
| US4210139A | Osmotic device with compartment for governing concentration of agent dispensed from device | Alza Corp | Expired / Lapsed | 1979-01-17 | 1980-07-01 | 1999-01-17 | 0.0 yrs | 7 | |
| US4203440A | Device having variable volume chamber for dispensing useful agent | Alza Corp | Expired / Lapsed | 1978-10-23 | 1980-05-20 | 1998-10-23 | 0.0 yrs | 18 | |
| US4180073A | Device for delivering drug to biological environment | Alza Corp | Expired / Lapsed | 1977-08-29 | 1979-12-25 | 1997-08-29 | 0.0 yrs | 9 |
Showing 1 to 20 of 47 patents
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