Bizarre Patents
Mouse device with a built-in printer
A mouse device for use as an input device of a computer is provided that includes a housing in which recording paper is loadable, and a printer unit provided within the housing for printing on the recording paper print information received from the computer.
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| Number | Title | Issue Date |
| 6189562 | Overflow valve For operating pumps above the respective system resistance for all volume flows, for a spring-loaded, directly acting overflow valve for limiting the pressure in a system in which a liquid is lifted by a positive-displacement pump and flows through the sy... | 02/20/2001 |
| 5845675 | Diaphragm/spring actuated pressure relief valve with pressure balanced outlet and fail-safe operation A diaphragm/spring operated pressure relief valve having a sensing passage of substantially the same flow area as the outlet orifice of the valve whereby failure of either diaphragm results in "fail open" configuration. In addition the effective area of t... | 12/08/1998 |
| 4896689 | Cylinder pressure relief valve In a pressure relief valve, a valve body is provided with an axial bore counterbored from each of its ends to form an inlet port for connection with a container of gas to be monitored and for receiving a valve assembly at its other end opening the valve a... | 01/30/1990 |
| 4520843 | Flow control valve The present invention comprises a valve body (24) with an inlet (28) and an outlet (30), and an inlet-closing poppet (32) moveably disposed within a chamber (26) in the valve body, the poppet incorporating a piston head (34) whose face (36) opposes the in... | 06/04/1985 |
| 4007758 | Respirator pressure-demand exhalation valve A chamber in a valve case has an inlet port of exhaled air in one of its end walls. Spaced inwardly from the side wall of the chamber is a valve seat surrounding the inlet port and engaged by one side of a sealing member, the opposite side of which is eng... | 02/15/1977 |
