Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8770512 | Passive control of ice shedding | Robert James Flemming | 2014-07-08 |
| 6164053 | Synthetic non-metallic rope for an elevator | Hugh J. O'Donnell | 2000-12-26 |
| 6073728 | Method and apparatus to inspect hoisting ropes | Hugh J. O'Donnell | 2000-06-13 |
| 5992574 | Method and apparatus to inspect hoisting ropes | Hugh J. O'Donnell | 1999-11-30 |
| 5968429 | Apparatus and method for molding of polyester articles directly from a melt | Lanney C. Treece, Max Lamar Carroll, Jr. | 1999-10-19 |
| 5945460 | Process for continuously producing polyester articles with scrap recycle in a continuous melt-to-preform process | Michael Paul Ekart, Max Lamar Carroll, Jr., Lanney C. Treece | 1999-08-31 |
| 5890564 | Apparatus to inspect hoisting ropes | Hugh J. O'Donnell | 1999-04-06 |
| 5881845 | Elevator rope protective device | Hugh J. O'Donnell, Randy G. Henley | 1999-03-16 |
| 5881843 | Synthetic non-metallic rope for an elevator | Hugh J. O'Donnell | 1999-03-16 |
| 5597891 | Process for producing polyester articles having low acetaldehyde content | Gregory Wayne Nelson, Clinton Cherry | 1997-01-28 |
| 5346367 | Advanced composite rotor blade | Leonard J. Doolin, William C. Reinfelder, George Capowich | 1994-09-13 |
| 5235145 | Elevator with linear motor drive assembly | Ernest P. Gagnon, Jerome F. Jaminet | 1993-08-10 |
| 5235226 | Highly conductive layer arrangement for a linear motor secondary | Ernest P. Gagnon, Jerome F. Jaminet | 1993-08-10 |
| 5207295 | Lightweight prefabricated elevator cab | Louis Bialy | 1993-05-04 |
| 5090516 | Elevator linear motor bus bar | Timothy J. Gsrinaski, Jerome E. Jaminet | 1992-02-25 |
| 5086881 | Elevator driven by a flat linear motor | Ernest P. Gagnon, Jerome F. Jaminet | 1992-02-11 |
| 4792280 | Helicopter rotor flexbeam | Thomas Campbell | 1988-12-20 |
| 4676669 | Tailoring tilt in an elastomeric high torque, constant velocity joint | Francis E. Byrnes, Donald L. Ferris | 1987-06-30 |
| 4569629 | Helicopter gimbal rotor | Donald L. Ferris, Charles F. Niebanck, Thomas Campbell | 1986-02-11 |
| 4442647 | Soundproofing panel mounted to effect vibration isolation | — | 1984-04-17 |
| 4383101 | Linear hydroquinone phenoxy polymers and process | Winston J. Jackson, Jr. | 1983-05-10 |
| 4267301 | Linear hydroquinone phenoxy polymers and process | Winston J. Jackson, Jr. | 1981-05-12 |