Patents Represented by Law Firm Klarquist, Sparkman, Compbell, Leigh & Whinston
  • Patent number: 4981178
    Abstract: Fire fighting foam discharge is produced by introducing water, surfactant, and compressed air into a single mixing chamber from separate sources. A power source includes an internal combustion engine coupled by operator-controlled clutch to an output shaft for driving concurrently a water pump and air compressor.
    Type: Grant
    Filed: March 16, 1990
    Date of Patent: January 1, 1991
    Inventor: Eric D. Bundy