Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE43824 | Needleless syringe | Colin David Sheldrake, George Costigan | 2012-11-20 |
| 7942846 | Needleless syringe using supersonic gas flow for particle delivery | David F. Sarphie, John Christopher Greenford | 2011-05-17 |
| 7618394 | Needleless syringe using supersonic gas flow for particle delivery | David F. Sarphie, John Christopher Greenford | 2009-11-17 |
| 7547292 | Needleless syringe | Colin David Sheldrake, George Costigan | 2009-06-16 |
| 7207967 | Particle delivery | Paul Rudd Drayson, John Christopher Greenford, Charles David Ogilvy Potter, David F. Sarphie | 2007-04-24 |
| 7182748 | Syringe and capsule therefor | Charles David Ogilvy Potter, David Stuart Potter, John Christopher Greenford, Fiona Carter, Stuart Weekes +1 more | 2007-02-27 |
| 6881200 | Needleless syringe using super sonic gas flow for particle delivery | David F. Sarphie, John Christopher Greenford | 2005-04-19 |
| 6685669 | Particle delivery | John Philip Bell, II | 2004-02-03 |
| 6592545 | Particle delivery | John Philip Bell, II, Huw Richard Millward, Monisha Jane Phillips, Samih Nabulsi | 2003-07-15 |
| 6217764 | Filter comprising one or more ducts | — | 2001-04-17 |
| 6168587 | Needleless syringe using supersonic gas flow for particle delivery | David F. Sarphie, John Christopher Greenford | 2001-01-02 |
| 6013050 | Particle delivery | Paul Rudd Drayson, John Christopher Greenford, David F. Sarphie | 2000-01-11 |
| 6010478 | Trans-mucosal particle delivery | John Philip Bell, II, John Christopher Greenford, David F. Sarphie | 2000-01-04 |
| 6004286 | Particle delivery | Charles David Ogilvy Potter, John Christopher Greenford | 1999-12-21 |
| 5899880 | Needleless syringe using supersonic gas flow for particle delivery | David F. Sarphie, John Christopher Greenford | 1999-05-04 |
| 5630796 | Method of delivering powder transdermally with needless injector | David F. Sarphie, John Christopher Greenford | 1997-05-20 |
| 5628909 | Membrane filters with corkscrew vortex generating means | — | 1997-05-13 |
| 5254259 | Method and apparatus for effecting the transfer of heat or mass through a membrane involving the use of vortices | Ian J. Sobey | 1993-10-19 |
| 5167817 | Transfer membrane apparatus | — | 1992-12-01 |
| 4906845 | Optical sensor for detecting liquid medium | Stephen Goodman | 1990-03-06 |
| 4844097 | Apparatus and method for testing liquids | Sydney M. Pugh | 1989-07-04 |
| 4830510 | Optical assay method for stored human platelets | — | 1989-05-16 |
| 4758083 | Blood monitoring system | Sydney M. Pugh, Maxwell R. Derrick | 1988-07-19 |
| 4682887 | Optical assay for stored human platelets | John William Stairmand | 1987-07-28 |
| 4675019 | Blood monitoring system | Sydney M. Pugh, Maxwell R. Derrick | 1987-06-23 |