Resources Contact Us Home
A & O Engineering, Inc. Patents
A & O Engineering, Inc.
Bridgeville, PA
No. of patents:

Patent Number Title Of Patent Date Issued
4573643 Impact crushers March 4, 1986
In an impact crusher for reducing the size of particulate material, the breaker bars having one or more quasi-circular depressions for engaging a circular back-up bar is secured to a rotor by means of a serrated wedge and C-clamp assembly. A newly designed housing opening permits the bre

  Recently Added Patents
Ice tray for refrigerator
Monofocal photographing lens assembly
Liquid crystal display
Light transformation particle and photobioreactor
Undercabinet plug-in mount
Device and method incorporating an improved text input mechanism
Selecting a converter operating mode of a PA envelope power supply
  Randomly Featured Patents
Digital asset insurance
Multifunctional apparatus for the treatment of hair of the head of humans
Single reel tape cartridge with integral tape guide
Method for broadcasting data packet and receiving the data packet in wireless universal serial bus (USB) environment, wireless USB host, and wireless USB device
Bipolar plate and method of fabricating it
Computer control memory apparatus providing variable microinstruction length
Disc transfer guide apparatus and disc transfer mechanism having improved thermal properties
System and method for efficient provision of a voicemail message indicator signal over a computer data network
Fluid spray nozzle and fire extinguisher
Physical broadcast channel (PBCH) transmission for reliable detection of antenna configuration