L. HAND, Circuit Judge.
All the patents in suit are for improvements to oil-burning furnaces for heating buildings, and they all follow the same general pattern. An electric motor in the service circuit drives a pump which feeds the fuel — oil — by a pipe into the furnace. At some point, usually at the outlet of the pipe, the oil is mixed with air and discharged into the furnace in a spray. In the earlier systems a pilot light set this on fire, but in...
Let's get started
Welcome to the leading source of independent legal reporting
Sign on now to see your case.
Or view more than 10 million decisions and orders.
- Updated daily.
- Uncompromising quality.
- Complete, Accurate, Current.