Patents by Inventor Thomas A. Kridl

Thomas A. Kridl has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9590193
    Abstract: The present invention provides flexible polymer diodes in the form of a printable polymer sandwich configuration similar to that found in electroactive polymer transducers. The inventive flexible polymer diodes comprise a dielectric layer sandwiched between a pair of electrodes. With appropriate optional additives introduced in the electrode formulation and the proper electrical properties in the electrode, a device may be constructed which allows current to pass through for only one polarity of applied voltage.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: March 7, 2017
    Assignee: Parker-Hannifin Corporation
    Inventors: Roger N. Hitchcock, Thomas Kridl, Xina Quan, Mikyong Yoo, Fang Yuan
  • Patent number: 9425383
    Abstract: A method for fabricating electroactive polymer transducers, the includes providing an electroactive polymer film comprising an elastomeric dielectric polymer, forming an array of electrodes on the film, and sandwiching the electrode array between a top and bottom array of frame components to form an array of electroactive polymer transducers.
    Type: Grant
    Filed: August 9, 2011
    Date of Patent: August 23, 2016
    Assignee: Parker-Hannifin Corporation
    Inventors: Michael G. Lipton, Ilya Polyakov, Alireza Zarrabi, Otto Hui, Silmon James Biggs, Thomas A. Kridl, Gordon Russell, Jonathan R. Heim, Roger Hitchcock, Chris A. Weaber
  • Publication number: 20150295175
    Abstract: The present invention provides flexible polymer diodes in the form of a printable polymer sandwich configuration similar to that found in electroactive polymer transducers. The inventive flexible polymer diodes comprise a dielectric layer sandwiched between a pair of electrodes. With appropriate optional additives introduced in the electrode formulation and the proper electrical properties in the electrode, a device may be constructed which allows current to pass through for only one polarity of applied voltage.
    Type: Application
    Filed: October 24, 2013
    Publication date: October 15, 2015
    Inventors: Roger N. Hitchcock, Thomas Kridl, Xina Quan, Mikyong Yoo, Fang Yuan
  • Patent number: 8127437
    Abstract: Electroactive polymer transducers for sensory feedback applications are disclosed.
    Type: Grant
    Filed: April 23, 2010
    Date of Patent: March 6, 2012
    Assignee: Bayer MaterialScience AG
    Inventors: Michael G. Lipton, Ilya Polyakov, Alireza Zarrabi, Otto Hui, Silmon James Biggs, Thomas A. Kridl, Gordon Russell, Jonathan R. Heim, Roger Hitchcock, Chris A. Weaber
  • Publication number: 20110285247
    Abstract: Electroactive polymer transducers for sensory feedback applications are disclosed.
    Type: Application
    Filed: August 9, 2011
    Publication date: November 24, 2011
    Applicant: Bayer MaterialScience AG
    Inventors: Michael G. Lipton, Ilya Polyakov, Alireza Zarrabi, Otto Hui, Silmon James Biggs, Thomas A. Kridl, Gordon Russell, Jonathan R. Heim, Roger Hitchcock, Chris Weaber
  • Publication number: 20110169742
    Abstract: Electroactive polymer transducers for sensory feedback applications are disclosed.
    Type: Application
    Filed: March 23, 2011
    Publication date: July 14, 2011
    Applicant: Bayer MaterialScience AG
    Inventors: Michael G. Lipton, Ilya Polyakov, Alireza Zarrabi, Otto Hui, Silmon James Biggs, Thomas A. Kridl, Gordon Russell, Jonathan R. Heim, Roger Hitchcock, Chris Weaber
  • Patent number: 7952261
    Abstract: Electroactive polymer transducers for sensory feedback applications are disclosed.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: May 31, 2011
    Assignee: Bayer MaterialScience AG
    Inventors: Michael G. Lipton, Ilya Polyakov, Alireza Zarrabi, Otto Hui, Silmon James Biggs, Thomas A. Kridl, Gordon Russell, Jonathan R. Heim, Roger Hitchcock, Chris A. Weaber
  • Publication number: 20100205803
    Abstract: Electroactive polymer transducers for sensory feedback applications are disclosed.
    Type: Application
    Filed: April 23, 2010
    Publication date: August 19, 2010
    Applicant: ARTIFICIAL MUSCLE, INC.
    Inventors: Michael G. LIPTON, Ilya POLYAKOV, Alireza ZARRABI, Otto HUI, Silmon James BIGGS, Thomas A. KRIDL, Gordon RUSSELL, Jonathan R. HEIM, Roger HITCHCOCK, Chris Weaber
  • Publication number: 20090001855
    Abstract: Electroactive polymer transducers for sensory feedback applications are disclosed.
    Type: Application
    Filed: June 27, 2008
    Publication date: January 1, 2009
    Applicant: Artificial Muscle, Inc.
    Inventors: Michael G. Lipton, Ilya Polyakov, Alireza Zarrabi, Otto Hui, Silmon James Biggs, Thomas A. Kridl, Gordon Russell, Jonathan R. Heim, Roger Hitchcock
  • Patent number: 6574174
    Abstract: An optical information storage system using optical storage media including multiple data layers or stacks wherein each of the multiple data stacks has a storage density comparable to a conventional single layer optical disk. The optical data storage system comprises an optical medium having a single dedicated servo layer and multiple data stacks which each contain an embedded servo format, a servo laser beam positioned to maintain a first focus point on the dedicated servo reference layer, a read-write laser beam positioned to maintain a second focus point on one of the data stacks, a first, dedicated servo system which provides focus and tracking error correction according to error signals generated from the dedicated servo layer, and a second, embedded servo system which provides focus and tracking error correction according to error signals generated from the data stacks.
    Type: Grant
    Filed: April 15, 2000
    Date of Patent: June 3, 2003
    Assignee: Siros Technologies, Inc.
    Inventors: James R. Amble, Lambrerrtus Hesselink, Tokyuki Honda, Mark E. McDonald, Michael V. Morelli, Andrew J. Daiber, Herman A. Ferrier, Sanjoy Ghose, Thomas A. Kridl, Matthew Lipson, Shunichi Nishimura, Sergei Sochava, LeRoy A. Volz
  • Patent number: 5599418
    Abstract: A recoverable article comprises a recoverable fabric, means for rendering the fabric impervious, and a shaped liner. The assembly can be used to form a pressure resistant splice case for telecommunications cables.
    Type: Grant
    Filed: November 15, 1989
    Date of Patent: February 4, 1997
    Assignee: Raychem Limited
    Inventors: Kenneth B. Pithouse, Thomas A. Kridl, James T. Triplett
  • Patent number: 5396575
    Abstract: An assembly capable of enclosing and sealing an intermediate section of an optical fiber includes a plurality of sealing mechanisms arranged such that the assembly can be entered to gain access to electronic components for servicing without affecting an environment occupied by optical fiber broken out of an optical fiber cable. Accordingly, physical integrity of the exposed fiber, and its associated connectors and splices, is not compromised. The assembly further includes a plurality of card cages, each of which has its own integral backplane having socket connectors which allow for connection to an adjacent card cage backplane within the assembly. During initial deployment of the assembly where less than all card cages for maximum capacity are initially required to be deployed, segmenting the backplane reduces the first installed cost of the assembly.
    Type: Grant
    Filed: December 18, 1992
    Date of Patent: March 7, 1995
    Assignee: Raynet Corporation
    Inventors: Gregory P. Hayward, Robert J. Naidoff, David A. Horsma, Lowell I. Koht, Donald Del Fava, Damian Kaczorowski, Thomas A. Kridl
  • Patent number: 5002822
    Abstract: A recoverable article comprises a recoverable fabric, means for rendering the fabric impervious, and a shaped liner. The assembly can be used to form a pressure resistant splice case for telecommunications cables.
    Type: Grant
    Filed: March 16, 1988
    Date of Patent: March 26, 1991
    Inventors: Kenneth B. Pithouse, Thomas A. Kridl, James T. Triplett
  • Patent number: 4940820
    Abstract: A recoverable article comprising a recoverable fabric, optionally with a matrix material, is provided with a closure whereby it can be retained in the wrapped around configuration. The article is suitable for environmentally protecting cables and pipes and joins therein.
    Type: Grant
    Filed: September 16, 1987
    Date of Patent: July 10, 1990
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kenneth B. Pithouse, Thomas A. Kridl, James T. Triplett, Marc Wille
  • Patent number: 4904850
    Abstract: An electrical heater which has a conductive polymer resistive element and two laminar electrodes. The electrodes are shaped and positioned such that there is a continuous margin around the periphery of the resistive element on at least one surface. The margin is particularly useful in reducing arcing which may occur between the electrodes.
    Type: Grant
    Filed: March 17, 1989
    Date of Patent: February 27, 1990
    Assignee: Raychem Corporation
    Inventors: James L. Claypool, Thomas A. Kridl, Lee M. Middleman
  • Patent number: 4820561
    Abstract: A recoverable article comprises a recoverable fabric, means for rendering the fabric impervious, and a shaped liner. The assembly can be used to form a pressure resistant splice case for telecommunications cables.
    Type: Grant
    Filed: March 16, 1988
    Date of Patent: April 11, 1989
    Assignee: Raychem Corporation
    Inventors: Kenneth B. Pithouse, Thomas A. Kridl, James T. Triplett
  • Patent number: 4803103
    Abstract: A recoverable article comprises a fabric having zones of different or uniformly varying recovery forces or ratios. The fabric can be made impervious and used for environmental protection.
    Type: Grant
    Filed: December 22, 1986
    Date of Patent: February 7, 1989
    Assignee: Raychem Corporation
    Inventors: Kenneth B. Pithouse, Thomas A. Kridl, James T. Triplett
  • Patent number: 4761193
    Abstract: A recoverable article comprises a recoverable fabric, means for rendering the fabric impervious, and a shaped liner. The assembly can be used to form a pressure resistant splice case for telecommunications cables.
    Type: Grant
    Filed: October 30, 1986
    Date of Patent: August 2, 1988
    Assignee: Raychem Limited
    Inventors: Kenneth B. Pithouse, Thomas A. Kridl, James T. Triplett
  • Patent number: 4761194
    Abstract: A method of environmentally sealing a pipe, cable or harness substrate by means of a recoverable fabric and a sheet of polymeric material.
    Type: Grant
    Filed: June 24, 1986
    Date of Patent: August 2, 1988
    Assignee: Raychem Limited
    Inventors: Kenneth B. Pithouse, Thomas A. Kridl, James T. Triplett
  • Patent number: 4631098
    Abstract: A heat recoverable article comprises a recoverable fabric and a polymeric layer of at least 0.03 mm thickness, and preferably unstressed. Such an article can be recovered by means of a torch to provide an environmental seal around substrates such as cables and pipes.
    Type: Grant
    Filed: December 30, 1983
    Date of Patent: December 23, 1986
    Assignee: Raychem Limited
    Inventors: Kenneth B. Pithouse, Thomas A. Kridl, James T. Triplett