Patents by Inventor Charles Grosjean

Charles Grosjean 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).

  • Micromachined parylene membrane valve and pump
    Publication number: 20010017287
    Abstract: A micromachined fluid handling device having improved properties. The valve is made of reinforced parylene. A heater heats a fluid to expand the fluid. The heater is formed on unsupported silicon nitride to reduce the power. The device can be used to form a valve or a pump. Another embodiment forms a composite silicone/parylene membrane. Another feature uses a valve seat that has concentric grooves for better sealing operation.
    Type: Application
    Filed: December 22, 2000
    Publication date: August 30, 2001
    Applicant: California Institute of Technology, a California corportion
    Inventors: Xu-Chong Tai, Xing Yang, Charles Grosjean, Xuan-Qi Wang
  • Micromachined parylene membrane valve and pump
    Publication number: 20010014438
    Abstract: A micromachined fluid handling device having improved properties. The valve is made of reinforced parylene. A heater heats a fluid to expand the fluid. The heater is formed on unsupported silicon nitride to reduce the power. The device can be used to form a valve or a pump. Another embodiment forms a composite silicone/parylene membrane. Another feature uses a valve seat that has concentric grooves for better sealing operation.
    Type: Application
    Filed: December 22, 2000
    Publication date: August 16, 2001
    Applicant: California Institute of Technology, a corporation
    Inventors: Yu-Chong Tai, Xing Yang, Charles Grosjean, Xuan-Qi Wang