Celebrity Inventors
Actress Jamie Lee Curtis is a patented inventor - she created a diaper equipped with a premoistened baby wipe. And that's no act!
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 |
| 7219772 | Disk brake with a regulating system The invention relates to a disk brake, particularly for commercial vehicles, comprising a brake caliper covering a brake disk, a tensing device arranged in a brake caliper for tensing the brake pads on both sides of the brake disk in the direction thereof, and at le... | 05/22/2007 |
| 7156471 | Two-stage cylinder for applying automatic set and release hand brake An apparatus engageable with a hand brake assembly for automatically applying at least one brake secured to a railway vehicle. The apparatus comprises an operating mechanism which is a two stage pneumatic cylinder having a primary portion for initial phase of the br... | 01/02/2007 |
| 5778673 | Brake cylinder means for a motor vehicle A brake cylinder means (1) for a motor vehicle, comprises a cylinder/piston means (2) adapted to be operated by a brake pedal means for generating pressure in a hydraulic brake system of the motor vehicle, characterized in that the cylinder/piston means (... | 07/14/1998 |
| 5722240 | Boosted braking device with reduced travel A boosted braking device for a motor vehicle having a master cylinder (200) and a pneumatic booster (100). The pneumatic booster (100) is capable of being operated by an operating rod (28) controlling the opening of a valve (26) in order to actuate a main... | 03/03/1998 |
| 5359854 | Actuating unit for hydraulic brake system An actuating unit for a hydraulic brake system for automotive vehicles which operates by a precisely defined change-over pressure and with lost travel independent of the speed of actuation. The actuating unit includes a pneumatic brake power booster and a... | 11/01/1994 |
| 4745750 | Auxiliary-energy-supplied brake slip control system of a vehicular hydraulic brake system An auxiliary-energy-supplied brake slip control system of a vehicular hydraulic brake system with a brake-pedal-operable master cylinder arrangement (12) and with auxiliary energy supply into the working chamber (16) of the master cylinder. The master cyl... | 05/24/1988 |
| 4741161 | Braking pressure generator for a hydraulic brake system for automotive vehicles A braking pressure generator with a master brake cylinder (2) and a hydraulic brake power booster (1) connected upstream thereof and comprising a piston (16) of larger effective surface which latter is incorporated axially movably within limits in a bore ... | 05/03/1988 |
| 4703623 | Double-piston master cylinder with central booster-driven piston driving surrounding low pressure piston A dual-piston hydraulic brake master cylinder includes a large hydraulic piston which supplies an initial large brake fluid volume and a small hydraulic piston which continues to supply brake fluid to the brakes when the large piston stops moving forward ... | 11/03/1987 |
| 4665701 | Hydraulic brake booster with quick take-up and reduced stroke The brake booster (12) includes a housing (30) with at least one piston (38) disposed in a bore (32) to separate a pressure chamber (42) from a work chamber (76). The piston (38) engages a valve housing (79) containing therein a valve assembly (80) and th... | 05/19/1987 |
| 4662688 | Vehicle hydraulic brake system The present invention starts from a vehicle hydraulic brake system comprising a master cylinder (2) actuatable by a hydraulic power booster (1) and containing a working chamber (12, 21), to which latter wheel brakes (36, 37, 38, 39) are connected by way o... | 05/05/1987 |
| 4467605 | Hydro-pneumatic actuator with automatic slack adjuster A two-stage, hydro-pneumatic actuator suitable for use as a railway vehicle brake. The hydraulic cylinder comprises a large diameter bore in which a low- and a high-pressure piston operate jointly during a first stage of operation to effect a high volumet... | 08/28/1984 |
| 4434619 | Brake master cylinder assembly A brake master cylinder assembly comprising a cylinder body having a stepped axial bore with large and small diameter portions, a tubular piston slidably disposed in the large diameter portion, and a primary piston one end being slidably disposed in the t... | 03/06/1984 |
| 4364231 | Compound master brake cylinder A compound master brake cylinder assembly (10) for a braking system, the cylinder assembly having a reservoir (34), a first low pressure cylinder (72), and a removable high pressure cylinder (58). A relief valve (84) is provided with a poppet valve (104) ... | 12/21/1982 |
| 4331188 | Apparatus for transferring a pasty matter for filling a hollow body The present invention relates to an apparatus for transferring a pasty matter for filling a hollow body. This apparatus comprises a cylindrical bowl in which the pasty matter to be transferred is placed and of which the bottom is extended by an axial tube ... | 05/25/1982 |
| 4249380 | Two stage intensifier A two-stage intensifier system for use in conjunction with a pressure-operable swing clamp or other pressure-operable device for supplying fluid pressure at a relatively low pressure to perform a first operation and thereafter to supply fluid pressure at ... | 02/10/1981 |
| 4244185 | Master cylinder for hydraulic brake system A master cylinder includes a master cylinder piston which is slidable by a booster with a hydraulic transmission interposed between the booster and the master cylinder piston. The booster includes two booster pistons the first of which has the same effect... | 01/13/1981 |
| 4191020 | Servo brake system A servo brake system with at least two circuits, equipped with a tandem master cylinder, in which two working pistons are arranged coaxially one behind the other; a transmission shifting device thereby automatically shifts in case of failure of the servo ... | 03/04/1980 |
| 4155223 | Tandem brake master cylinder with auxiliary piston An auxiliary compensating piston in a tandem automotive master cylinder containing two pressure pistons closes relief port holes between the cylinder and brake fluid reservoirs. A compensating valve feeds replacement fluid into the cylinder during brake r... | 05/22/1979 |
| 4091619 | Servomotor The invention relates to a servomotor for assisting the operation of a power brake system. The servomotor includes in a housing a power-assisting part and a part forming a hydraulic master-cylinder. The power-assisting part is adapted in use to be connect... | 05/30/1978 |
