Pneumatic level control

Details Pneumatic level control Pneumatic level control

2006-07-13

2008-08-19

Hepperle, Stephen M. (Department: 3753)

Fluid handling

Liquid level responsive or maintaining systems

By float controlled valve

C137S398000, C137S414000

Reexamination Certificate

active

07412988

ABSTRACT:
An improved pneumatic level control for the activation, deactivation or regulation or a downstream device or process by way of pneumatic signal in response to increased liquid volume in an attached vessel or container.

REFERENCES:
patent: 1618331 (1927-02-01), Gilchrist
patent: 1674341 (1928-06-01), Penn
patent: 1871044 (1932-08-01), Crosthwait, Jr. et al.
patent: 1894367 (1933-01-01), Corcoran
patent: 2944562 (1960-07-01), Glasgow et al.
patent: 2995201 (1961-08-01), Stafford et al.
patent: 3840044 (1974-10-01), Harris et al.
patent: 3970099 (1976-07-01), Murphy et al.
patent: 4026326 (1977-05-01), Wells et al.
patent: 4114642 (1978-09-01), Robbins
patent: 4436109 (1984-03-01), Taylor
patent: 4505288 (1985-03-01), Murphy et al.
patent: 4542765 (1985-09-01), Glasgow et al.
patent: 4543979 (1985-10-01), Olmsted et al.
patent: 4573489 (1986-03-01), Carlton et al.
patent: 4577657 (1986-03-01), Alexander

Affiliated with

Also associated with

Rating

Pneumatic level control does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pneumatic level control, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pneumatic level control will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4006545