Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7030585 | Controller A controller capable of preventing response delay and generation of vibrations attributable thereto during position control of a movable part of a machine having low rigidity. A motor for driving a machine having low rigidity is subjected to position and velocity lo... | 04/18/2006 |
| 4492901 | Control system for synchronizing combination press line A control system for synchronizing a combination press line comprised of a transfer press and a double-action press. The transfer press is set as a master press and the double-action press as a slave press following the transfer press in operation. The transfe... | 01/08/1985 |
| 3967701 | Multi-column lifting apparatus and synchronization control device for same A lifting apparatus of the type having a number of columns supporting a load platform each column driven by an electrical, polyphase current motor whereby sensors on each column, for example potentiometers, produce a signal indicating the height of that c... | 07/06/1976 |
| 3949655 | Synchronization apparatus for box making machine A box making machine includes a supply roll of a continuous web whose tension is monitored by a pivotally mounted oscillating rod which guides the web by means of a dancer roller provided at one end thereof. The web is carried through an imprinting machin... | 04/13/1976 |
