Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8066600 | Ratchet mechanism for a chain drive | Timothy Bishop | 2011-11-29 |
| 8052559 | Tensioner with two way damper | Dale N. Smith | 2011-11-08 |
| 7597640 | Long mechanical tensioner with a compliant blade spring | George L. Markley, James Capp | 2009-10-06 |
| 7537533 | Chain tensioning device linking two strands of a chain drive | George L. Markley | 2009-05-26 |
| 7479077 | Pivoting mechanical tensioner with compliant blade spring | George L. Markley, John T. Crockett, II, Timothy Alan Turner | 2009-01-20 |
| 7476168 | Pivoting mechanical tensioner with cross strand damping | George L. Markley, James Capp | 2009-01-13 |
| 7059985 | Alternating guide power transmission chain | George L. Markley | 2006-06-13 |
| 6955621 | Rotary actuating hydraulic tensioner | George L. Markley | 2005-10-18 |
| 6772721 | Torsional assist cam phaser for cam in block engines | Marty Gardner, Mike Marsh | 2004-08-10 |
| 6736744 | Roller chain sprocket for preventing substantially radial impact with chain rollers | George L. Markley | 2004-05-18 |
| 6689003 | Limited articulation chain (inverted tooth or roller) created by “squaring” ends (top and/or bottom) of links/guides of chain | Brian R. Scotti, George L. Markley | 2004-02-10 |
| 6609986 | Mechanical tensioner comprised of a rigid arm urged against chain by at least one blade type spring | — | 2003-08-26 |
| 6575861 | Sprocket and chain for limiting chordal fall motion | George L. Markley | 2003-06-10 |
| 6500084 | Sprocket system for inverted tooth chain | — | 2002-12-31 |
| 6375587 | Timing chain having multiple blade tensioners contacting the same section of chain | — | 2002-04-23 |
| 6322470 | Pivoting dual arm chain tensioner system for contacting multiple chain strands | George L. Markley | 2001-11-27 |
| 6302816 | Chain guide or tensioner arm with sheet metal bracket and alternating tabs | — | 2001-10-16 |
| 5993342 | Hydraulic tensioner with force limiting tensioner spring | Roger T. Simpson, George L. Markley | 1999-11-30 |
| 5853341 | Laminated chain tensioner arms or guides | — | 1998-12-29 |
| 5846150 | Guide posts for guiding and damping chain movement | — | 1998-12-08 |
| 5346436 | Air vent for hydraulic chain tensioner | Francis J. Hunter, Sam A. Kuznets | 1994-09-13 |
| 4997411 | Cage and retainer combination for check valves and slack adjusters using same | Mark S. Breon | 1991-03-05 |