Paul Wilson Howard

US Patent:

47568240, Jul 12, 1988

Filed:

Jun 19, 1986

Appl. No.:

6/876088

Inventors:

Paul L. Howard - West Chester PA
James L. Horan - Sharon Hill PA

Assignee:

Aeroquip Corporation - Jackson MI

International Classification:

B03C 130
B01D 3506

US Classification:

210 85

Abstract:

An arrangement of a standardized filter element for placing into a housing which is provided with an automatic bypass and with a pop-up botton type by-pass differential pressure indicator, selectively, and a set of at least two annular magnets positioned so as to form at the liquid flow entrance a chip arresting and detention gap among them and along their own peripheries and followed by the action along that of the filter element. One of the filter element sleeves and the grounded housing are utilized as conductors for the chip retention gap, leading to an electric connector for external wiring to a power source and indicating means.

US Patent:

43252559, Apr 20, 1982

Filed:

Apr 7, 1980

Appl. No.:

6/137879

Inventors:

Paul L. Howard - West Chester PA
William B. Tarpley - West Chester PA
George R. Moulder - Coatesville PA
William R. McBride - Glenmore PA

Assignee:

Energy and Minerals Research Co. - Exton PA

International Classification:

G01N 2900
G01F 2328

US Classification:

73589

Abstract:

Ultrasonic apparatus and method measures the characteristics of materials by sensing changes in the impedance to applied drive excitation of an ultrasonic probe using a crystal sensor that is integral with the ultrasonic transducer.