US Patent: 2,014,541 - Pressure regulating valve


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US Patent: 2,014,541

Pressure regulating valve

Patentee:

Fred W. Wappat (exact or similar names) - Pittsburgh, PA

USPTO Classifications:

137/116.3, 137/495, 137/506, 137/510, 137/549, 251/335.2, 92/95

Tool Categories:

propulsion and energy : steam apparatus : stationary boilers : steam valves

propulsion and energy : steam apparatus : steam valves

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Sep. 15, 1934
Granted:	Sep. 17, 1935

Patent Pictures:

USPTO (New site tip)
Google Patents
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Vintage Machinery entry for Fred W. Wappat

Description:

Of interest because the inventor was one of the earliest makers of handheld circular saws.

"This invention relates to pressure regulating valves, and is designed particularly for use in connection with hot water heating systems, in which it is necessary to control the pressure supplied from the main to the boiler, and also the pressure generated in the system due to the heating of the water."