|
| US3989964 | 5 Aug 1976 | 2 Nov 1976 | The United States of America as represented by the Secretary of the Army | Piezoelectric switch activating means |
| US4093883 | 20 Apr 1977 | 6 Jun 1978 | | Piezoelectric multimorph switches |
| US4422001 | 5 Jun 1981 | 20 Dec 1983 | | Crystal vibrator actuated relay |
| US4525644 | 9 Apr 1984 | 25 Jun 1985 | | Piezoelectric-enhanced circuit connection means |
| US4570095 | 10 Oct 1984 | 11 Feb 1986 | NEC Corporation | Mechanical amplification mechanism combined with piezoelectric elements |
| US4658154 | 20 Dec 1985 | 14 Apr 1987 | General Electric Company | Piezoelectric relay switching circuit |
| US6624553 | 4 Apr 2001 | 23 Sep 2003 | Data Storage Institute | Head suspension assembly for magnetic disk drives |
| US6717332 | 29 Jan 2001 | 6 Apr 2004 | Viking Technologies, L.C. | Apparatus having a support structure and actuator |
| US6737788 | 20 Feb 2003 | 18 May 2004 | Viking Technologies, L.C. | Apparatus having a pair of opposing surfaces driven by a piezoelectric actuator |
| US6759790 | 27 Mar 2002 | 6 Jul 2004 | Viking Technologies, L.C. | Apparatus for moving folded-back arms having a pair of opposing surfaces in response to an electrical activation |
| US6870305 | 14 May 2004 | 22 Mar 2005 | Viking Technologies, L.C. | Apparatus for moving a pair of opposing surfaces in response to an electrical activation |
| US6879087 | 6 Feb 2002 | 12 Apr 2005 | Viking Technologies, L.C. | Apparatus for moving a pair of opposing surfaces in response to an electrical activation |
| US6975061 | 24 Nov 2004 | 13 Dec 2005 | Viking Technologies, L.C. | Apparatus for moving a pair of opposing surfaces in response to an electrical activation |
| US7368856 | 5 Apr 2004 | 6 May 2008 | Parker-Hannifin Corporation | Apparatus and process for optimizing work from a smart material actuator product |
| US7564171 | 20 Jun 2005 | 21 Jul 2009 | Parker-Hannifin Corporation | Apparatus and process for optimizing work from a smart material actuator product |
