s Patents and Patent Applications (Class 100 ...
s Patents (Class 100/902) Oil filter crushing apparatus having air bag actuator. Patent number: 5337656. Abstract: An oil filter crushing apparatus has a crushing frame (12, 312) mounting a filter platform (16, 316) on which a used oil filter is supported on end for crushing by a ram device (40, 336) having a single ram rod (52, 338).