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Inventor: Frost; Stanley A.
Address: Portland, OR
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6609454 |
Piston with seal |
August 26, 2003 |
| A method of forming a floating piston includes fabricating a piston cup, wherein the piston cup includes a top, a sidewall void of any seal-gripping irregularities, and an open end, and forming an elastomer seal over the sidewall of the piston cup. A floating piston includes a piston |
| 6089501 |
Tandem-rotor gyroplane |
July 18, 2000 |
| A tandem-rotor autogiro has a control system that facilitates operation of the tandem-rotor autogiro by fixed-wing aircraft pilots, without the requirement of extensive additional flight training. The autogiro includes forward and rearward non-powered rotors mounted in tandem on the fuse |
| 4889351 |
Hydraulic seal |
December 26, 1989 |
| A seal for a hydraulic cylinder is disclosed and includes a static seal element and a dynamic seal element, the dynamic seal element having a continuous, annular form, the form being inscribable in an annular section of a truncated cone and having an anti-extrusion portion at either end |
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