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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 5146158 | Externally adjustable stopper plate in a cross-coil type meter The cross coil type meter has a magnet rotor and a stopper plate inside a coil bobbin. The magnet rotor is driven by a combined magnetic field produced by a cross coil wound on the coil bobbin. A pointer on a dial plate is attached to the magnet rotor's s... | 09/08/1992 |
| 4812749 | Bimetallic indicator A bimetallic indicator includes a bimetal being deformed by heat generated by an electric current supplied to a heat coil wound around the bimetal, a pointer moved in relation to the deformation of the bimetal and indicating a measured value in accordance... | 03/14/1989 |
| 4727263 | Electromotive setting device In an electromotive control device having an end disconnect switch, two circular conductive paths are arranged on an insulating support, at least one of said paths being less than an entire circle. Wiper contacts which connect the conductive paths are ele... | 02/23/1988 |
| 4680454 | Odometer for golf cart An odometer for use by a golfer in the measurement of distance covered by each shot. The odometer attaches to the wheel of the cart and counts revolutions or parts of a revolution of the wheel through the use of a magnetic head that rotates past a Hall ef... | 07/14/1987 |
| 4532415 | Number wheel counters An electrical impulse operated number wheel counter with coaxial number wheels (2); transfer pinions (8); a reciprocable pawl (12) engaging the first number wheel and a solenoid (20) driving the pawl, has a series of leaf springs (33) carried on the solen... | 07/30/1985 |
| 4177922 | Motor driven reset mechanism for cumulative demand register A meter includes a single sweep hand dial for indicating maximum demand in a predetermined time period as well as a multidial decade register for recording cumulative demand. The sweep hand dial is driven by a pusher gear. A pusher arm urges the pusher ge... | 12/11/1979 |
| 4125762 | Rotary electromagnetic indicator system Gasoline dispensing apparatus with cost and volume registers composed of banks of rotary electromagnetic indicators, each having an electromagnetic stator with a drive coil for indexing a respective rotary indicator wheel and a sensing coil for sensing wh... | 11/14/1978 |
| 4027144 | Magnetic return mechanism An improved magnetic return mechanism, especially useful in timing devices of the type including a motor means for driving a member at a given rotational velocity about a given axis and from a selected angular position, means for indicating when the membe... | 05/31/1977 |
| 4005819 | Magnetic return mechanism An improved magnetic return mechanism, especially useful in timing devices of the type including a motor means for driving a member at a given rotational velocity about a given axis and from a selected angular position, means for indicating when the membe... | 02/01/1977 |
| 3999705 | Magnetic return device for reset timer/counter unit and reset timer/counter unit using same A device adapted for special use in a reset timer/counter unit to return various digital counting subwheels to their reset condition after a timing or counting cycle. The device includes a first ring formed from a permanently magnetizable material having ... | 12/28/1976 |
| 3993895 | Magnetic return device for reset timer/counter unit and reset timer/counter unit using same A device adapted for special use in a reset timer/counter unit to return various digital counting subwheels to their reset condition after a timing or counting cycle. The device includes a first ring formed from a permanently magnetizable material having ... | 11/23/1976 |
| 3944795 | Setting mechanism for digital display devices A setting mechanism incorporated in a digital display device which includes a movable first digit carrier; a motor driving the first digit carrier in a normal digit-advancing operation; and a movable second digit carrier. The setting mechanism has a drive... | 03/16/1976 |
