Specially Adapted Filter Casing 
The benefits of this idea are many. Here are a few of them: 1) Speeds up the filter change process 2) Reduces injuries - safest spin-on filter today 3) Eliminates stuck filters 4) Eliminates the need to puncture stuck filters 5) Utilizes the most common tool in the world - the screwdriver 6) Enviromentally sound - eliminates unnecessary oil spillage incurred when a filter is punctured. When a filter is punctured, approximately 3/4 of a quart of oil leaks onto the ground and engine components. This is not good for the enivironment! This can be eliminated. 7) Can be removed in (30) seconds or less, with one hand and a screwdriver, no matter what conditions exist 8) Saves the consumer money from having to purchase new filter removal tools everytime they purchase a new product with a filter on it 9) Allows the consumer to grip the filter better than ANY filter currently on the market - guaranteed 10) Works more efficently than "the nut" addition to filters 11) Takes less available room in a vehicle's engine compartment to remove one of these filters with a screwdriver, than the current design with a filter wrench 12) Works for all spin-on filters on all forms of vehicles, equipment and machinery that use them 13) The most efficient spin-on filter today to install and remove This is the easiest and safest filter today to install and remove. If you do not understand the need for this modification, wait until you change your next stuck filter. US Patent 6,217,762 B1 |