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| Number | Title | Issue Date |
| 7412905 | Paddle sensor A rotary paddle sensor for detecting a substance. A paddle or paddles are mounted on a rotating shaft coupled to a motion of the shaft by a slip clutch mechanism. The sensor detects movement of the paddle. If a substance impedes the movement of the paddle, the senso... | 08/19/2008 |
| 4014828 | Thermosettable friction particles for use in friction elements An improved process for preparing a friction particle results when a thermosettable resin is crosslinked in liquid suspension, producing a friction particle which is insoluble, infusible, has good friction stability and good braking fade resistance, and h... | 03/29/1977 |
