Company Filing History:
Years Active: 1994
Title: David A Ewing: Innovator in Hoisting Systems
Introduction
David A Ewing is a notable inventor based in Houston, TX (US). He has made significant contributions to the field of hoisting systems, particularly with his innovative designs that enhance efficiency and safety.
Latest Patents
Ewing holds a patent for a "Unitary hoist drum for hoist ropes and an electric cable." This invention discloses a hoisting system that includes a hoisting drum around which two hoisting ropes are wound in respective grooves. The hoisting ropes are secured to the drum at one end and extend down to a suspended device, such as an elevator or crane hook. Additionally, the hoisting drum features a cable groove located between the two hoist rope grooves. An electrical cable is secured at one end to the hoist drum, wound around the drum in the cable groove, and extends down to the suspended device. A slip-ring assembly establishes an electrical connection to the cable, allowing power to be supplied to the suspended device. Ewing has 1 patent to his name.
Career Highlights
David A Ewing is currently employed at Kone Oy, a company known for its innovative solutions in the elevator and escalator industry. His work focuses on improving hoisting systems, which are critical for the safe and efficient operation of elevators and cranes.
Collaborations
Ewing collaborates with Vernon C Dotson, a fellow innovator in the field. Their combined expertise contributes to the advancement of hoisting technology.
Conclusion
David A Ewing's contributions to hoisting systems exemplify innovation in engineering. His patent for a unitary hoist drum showcases his commitment to enhancing safety and efficiency in the industry.