| 2012 | Invention | Wind turbine torque limiting clutch system. An asymmetric torque limiting coupling system for use... | 
				    			
				    				
				    					| 2010 | Invention | Wind turbine torque limiting clutch system. A wind turbine power generating system includes a win... | 
				    			
				    				
				    					|  | Invention | Compact universal fluid-actuated clutch. A compact universal fluid-actuated clutch employs a pair... | 
				    			
				    				
				    					| 2009 | Invention | Compact disc spring torque limiter. A compact disc spring torque limiting clutch has an input hub... | 
				    			
				    				
				    					| 2008 | Invention | Clutch control system. A clutch control system is interposed between an engine and a piece of dri... | 
				    			
				    				
				    					| 2003 | Invention | Torque limiting clutch having centrifugally regulated characteristic torque. A torque limiting cl... | 
				    			
				    				
				    					|  | Invention | Compact dry power takeoff unit. A compact dry power takeoff clutch unit is adapted for interconne... | 
				    			
				    				
				    					| 2001 | Invention | Clutch assembly and diagnostic system. A process for achieving engagement of a power source with ... | 
				    			
				    				
				    					| 1999 | Invention | Hydraulically actuated power takeoff clutch assembly. A hydraulically actuated power takeoff clut... |