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...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Application No. | Application Title | Issue Date |
| 20090184606 | ROLLED ELECTROACTIVE POLYMERS The invention describes electroactive polymer devices in both rolled and unrolled configurations. The invention also describes employment of these devices in a wide array of applications and methods for their fabrication. An electroactive polymer device converts between... | 07/23/2009 |
| 20070257582 | Polymer actuator A plane thin-type polymer actuator is provided with a conductive active member serving as a first electrode layer, and a second electrode layer, with at least a first electrolytic layer made in contact with the active member layer being sealed between the two electrode ... | 11/08/2007 |
| 20070247033 | Embedded electroactive polymer structures for use in medical devices Medical devices or components thereof having electroactive polymer actuators embedded within at least a portion of the device of component thereof, and novel electroactive polymer actuators formed with a conductive substrate layer and an electroactive polymer layer, the... | 10/25/2007 |
| 20070222344 | ELECTROACTIVE POLYMER ANIMATED DEVICES The present invention relates to animated devices that include one or more electroactive polymer transducers. When actuated by electrical energy, an electroactive polymer produces mechanical deflection in one or more directions. This deflection may be used to produce mo... | 09/27/2007 |
| 20070205701 | PIEZOELECTRIC POLYMER COMPOSITE ARTICLE AND SYSTEM The subject invention provides composite articles (20, 120) and associated systems (32, 132). A first composite article (20) includes a piezoelectric layer (22) having a piezoelectric property. The piezoelectric layer (22) is sandwiche... | 09/06/2007 |
| 20070200453 | Electroactive polymer actuated motors Devices employing electroactive polymer actuators are disclosed. Acrylic dielectric material based actuators are optionally provided in which architectures are presented that allow for improved power output as compared with other known acrylic dielectric material based ... | 08/30/2007 |
| 20070200468 | HIGH-PERFORMANCE ELECTROACTIVE POLYMER TRANSDUCERS Transducers employing electroactive polymer films are disclosed. ... | 08/30/2007 |
| 20070200467 | COMPLIANT ELECTROACTIVE POLYMER TRANSDUCERS FOR SONIC APPLICATIONS Described herein are compliant electroactive polymer transducers for use in acoustic applications. A compliant electroactive polymer transducer includes a compliant electroactive polymer at least two electrodes. For sound production, circuitry in electrical communicatio... | 08/30/2007 |
| 20070200466 | Three-dimensional electroactive polymer actuated devices Devices employing electroactive polymer actuators are disclosed. Acrylic dielectric material based actuators are optionally provided in which architectures are presented that allow for improved power output as compared with other known acrylic dielectric material based ... | 08/30/2007 |
| 20070170822 | Electroactive polymer pre-strain The present invention provides electroactive polymers, transducers and devices that maintain pre-strain in one or more portions of an electroactive polymer. Electroactive polymers described herein may include a pre-strained portion and a stiffened portion configured to ... | 07/26/2007 |
| 20070164641 | Electroactive polymer devices for moving fluid The invention describes devices for performing thermodynamic work on a fluid, such as pumps, compressors and fans. The thermodynamic work may be used to provide a driving force for moving the fluid. Work performed on the fluid may be transmitted to other devices, such a... | 07/19/2007 |
| 20070159031 | Actuator and method for manufacturing planar electrode support for actuator An actuator as a drive source of robots and the like usable for housekeeping assistance, job assistance, and nursing help, in which a drive source itself is small-size, light-weighted, and flexible as well as safe, and a manufacturing method for a planar electrode suppo... | 07/12/2007 |
| 20070152543 | Piezoelectric body, electric generator and polymer actuator A piezoelectric body comprising a powder compact 1 formed from conductive powder comprising a conductive polymer and a dopant, and an ion donor 2, to generate an electromotive force by stress change, and an electric generator or a polymer actuator comprisi... | 07/05/2007 |
| 20070120450 | Polymer actuator A polymer actuator comprising a conductive powder compact comprising a conductive polymer and a dopant, an ion donor, a work electrode, and a counter electrode, whereby it contracts or extends when voltage is applied between the work electrode and the counter electrode.... | 05/31/2007 |
| 20070090732 | Systems, methods and devices relating to actuatably moveable machines Systems, methods and devices relating to actuatably movable machines and methods of using and manufacturing the same. ... | 04/26/2007 |
| 20070040481 | Optical Device An optical device includes a lens holder that holds a lens and is movable in the optical-axis direction of the lens, and an actuator that moves the lens holder in the optical-axis direction. The actuator includes an actuator element composed of an electroactive polymer,... | 02/22/2007 |
| 20060290241 | Electroactive polymer animated devices The present invention relates to animated devices that include one or more electroactive polymer transducers. When actuated by electrical energy, an electroactive polymer produces mechanical deflection in one or more directions. This deflection may be used to produce mo... | 12/28/2006 |
| 20060192465 | Mechanical meta-materials The present invention provides meta-materials with an actively controllable mechanical property. The meta-material includes a deformable structure and a set of activation elements. The activation elements are controllable between multiple states. The meta-material inclu... | 08/31/2006 |
| 20060169954 | Electrochemical devices incorporating high-conductivity conjugated polymers The present invention includes the preparation of highly conducting conjugated polymers and their use as electrochemical actuators. A typical electrochemical actuator comprises a highly conducting, conjugated polymer for the anode or the cathode, or for both the anode a... | 08/03/2006 |
| 20060113880 | Electroactive polymers The present invention relates to transducers, their use and fabrication. The transducers convert between mechanical and electrical energy. Some transducers of the present invention include a pre-strained polymer. The pre-strain improves the conversion between electrical... | 06/01/2006 |
| 20050168113 | Actuator The actuator is capable of greatly deforming a flexible sheet member. The actuator comprises: a flexible sheet member being made of a polymer material; and a pair of electrodes being respectively provided on both faces of the sheet member, the electrodes being made of c... | 08/04/2005 |
| 20050162049 | Variable ratio transmission elements for motor drive shafts A motor transmission element includes an axle, an expandable circumferential component and multiple rolled electroactive polymer (EAP) devices. The circumferential component is located at a contact radius from the axle for connection to a different rotating body and is ... | 07/28/2005 |
| 20050122007 | Actuator film material, actuator film and actuator using the same Provided is an actuator manufactured using a material obtained by mixing a film material featuring stable motion and high speed of response and used for ion conductive polymer actuators with conductive fine particles. According to the present invention, an actuator whic... | 06/09/2005 |
| 20050046313 | ELASTOMERIC POLYPHOSPHAZENE TRANSDUCERS, METHODS OF MAKING, AND METHODS OF USE THEREOF This disclosure relates to transducers, methods of making transducers and methods of converting between electrical energy and mechanical energy. The transducers comprise an elastomeric film disposed between two electrodes wherein at least one electrode can be a complian... | 03/03/2005 |
| 20050006989 | Electromechanical actuator and methods of providing same An electromechanical actuator comprising an inherently conducting polymer and a conductor for conducing voltage along the polymer from a first end region thereof. The conductor is adapted for axially extending and contracting with axial expansion and contraction of the ... | 01/13/2005 |
