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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 5629509 | Axle counter with variable threshold setting An axle counter which compares axle passage pulses generated in an electromagnetic rail contact with a predetermined threshold value and, when this threshold value is exceeded, feeds an axle counter pulse to presence-of-trains indicating equipment, is equ... | 05/13/1997 |
| 5578807 | Electromagnetic counter A welded portion is formed by mounting a synthetic resin frame, in which a count display device including character wheels, a driving device for operating the count display device, and a driving source of the driving device, are incorporated, within a cas... | 11/26/1996 |
| 5422466 | Revolution indicator for measuring distances This invention relates to a revolution indicator housed inside a casing. The indicator has a plurality of wheels with the numerals 0-9 on the outer periphery of the wheels. The numerals are viewed through a window from the outside of the casing. Each whee... | 06/06/1995 |
| 5331388 | Simple reliable counter assembly of reduced parts for a toner cartridge A counter assembly which can be used in a toner cartridge has a generally circular rotatable actuator member fixedly mounted on one end of a shaft having a screw thread on its surface, a magnet made of a molded compliant magnetic material mounted on the s... | 07/19/1994 |
| 4711991 | Counting apparatus A counting apparatus comprising a drum counting mechanism and a step motor for driving the drum counting mechanism. A housing for the drum counting mechanism includes a wall which forms a part of the housing for the step motor, the step motor including a ... | 12/08/1987 |
| 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 |
| 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 |
| 3935433 | Electromagnetically operated remote meter or register having counter wheel locking means An improved remote register is provided with a novel locking device for prevention of rotation of the digital counter upon removal of the register cover. The cover includes an integral cam positioned to disengage the lock upon replacement of the cover. Th... | 01/27/1976 |
