Bizarre Patents
A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5327724 | Lockable master cylinder The invention relates to a master cylinder comprising a body (12) comprising a bore (14) in which slides, in leaktight manner, at least one piston (16, 18) movable between a rest position and at least one working position and defining at least one pressur... | 07/12/1994 |
| 4918920 | Hydraulic remote control device for controlled members, such as external rear view mirrors on vehicles The device comprises a manipulator (148) whose body (149) houses deformable positioning transmitter bags (145 to 147) each connected by a corresponding hydraulic circuit to a positioning receiver comprising a deformable bag (130 to 132, 133 to 135), whose... | 04/24/1990 |
| 4559780 | Power valve for a vehicle braking system A power valve for a vehicle braking system includes a main pressure chamber (4) defined between the body (1) and spool (2) and connected to the outlet (5), the spool being displaceable under an input effort to close communication between the chamber (4) a... | 12/24/1985 |
| 4196941 | Wheel lock-up prevention apparatus There is provided a wheel lock-up prevention device for compressed air operated brakes of a motor vehicle which includes a common control of the pressure in the brakecylinders of a given wheel axle. The control is accomplished by means of multi-position m... | 04/08/1980 |
| 4040675 | Anti-theft vehicle brake-supervising device A vehicle anti-theft device which maintains the braking function of the braking fluid by preventing reverse flow thereof from the wheel cylinder back to the master cylinder until, following an authorized procedure, an interconnecting fluid passage is move... | 08/09/1977 |
| 4018314 | Anti-theft vehicle brake-supervising device A vehicle anti-theft device which maintains the braking function of the braking fluid by preventing reverse flow thereof through a closed main valve opening from the wheel cylinder back to the master cylinder until, following an authorized procedure, the ... | 04/19/1977 |
