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Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
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| Number | Title | Issue Date |
| 4351511 | Sealing gasket for an obturator such as a ventilation regulator The invention concerns a sealing gasket comprising a housing defining a central concavity bordered by two lateral wings, an elastic support housed in the said concavity, a covering presenting a good resistance to wear and a coefficient of low friction whi... | 09/28/1982 |
| 4194749 | Sealing ring A double toric sealing ring for providing a seal between a casing and a butterfly member of a butterfly valve is formed with two helical springs each forming a torus and disposed concentrically. The helical spring forming the outer torus has a coil diamet... | 03/25/1980 |
| 4108199 | Isolating valves A butterfly valve having two interconnected synchronously movable discs spaced apart axially in the direction fluid flow. In order to ensure that fluid is not retained between the discs when the valve is closed there is at least one drainage outlet which ... | 08/22/1978 |
| 4070002 | Valve actuators An actuator for a valve in which valve opening and closing is effected via a rectilinearly movable member having, at one end, a driving device and, at its other end, a return-movement arrangement. To-and fro movement of the member under the control of the... | 01/24/1978 |
| 4006761 | Equipment for bottom loading of liquid products Apparatus for supplying a liquid product to a pipe connected to the bottom of a vessel from a flexible conduit connected to a distribution system comprising a tank valve connected to the pipe and a coupling connected to the flexible conduit and adapted fo... | 02/08/1977 |
| 4006882 | Butterfly valve of large diameter A butterfly valve of large diameter which comprises a body with a substantially cylindrical inner bore, internally lined with a ring that terminates at lateral flanks of the valve; a butterfly pivotally mounted in the body by means of valve spindles that ... | 02/08/1977 |
| 3991974 | Butterfly valve A butterfly valve comprising a body having an internal cylindrical bore with two radial co-axial passages diametrically opposed with respect to the bore and a butterfly including a spherical cap section and two co-axially projecting shafts rotatably mount... | 11/16/1976 |
| 3990675 | Butterfly valve A butterfly valve for pipes having smooth ends comprising a body constituted by a metal casing of generally tubular shape with two dimensional bosses provided with coaxial passages. A layer of elastomer material externally and internally envelops the tota... | 11/09/1976 |
