Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6481538 | Elevator guide rail mounting assembly | Barry G. Blackaby | 2002-11-19 | $17,857,000 |
| 6147620 | Remote monitoring of elevator cab lights | Timothy M. Remmers, Barry G. Blackaby, William C. Rogers | 2000-11-14 | $106,839,000 |
| 5889239 | Method for monitoring elevator leveling performance with improved accuracy | Barry G. Blackaby, Timothy M. Remmers | 1999-03-30 | $34,529,000 |
| 5732740 | Smart accumulator to attenuate pulses in a hydraulic elevator | John Hornyack | 1998-03-31 | $17,285,000 |
| 5467599 | Method for reducing seal stiction in a fluid cylinder | Richard N. Fargo | 1995-11-21 | $5,970,000 |