DBA, LLC
180Patents
0Active
180Granted
39Portfolio score
Filing activity: Sep 27, 1972 → May 20, 2010
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4318627A | Ball and socket articulated joint | Emerging Cross-Sectional Technologies | 57 | Expired |
| US4630711A | Device for lubricating a geartrain | Mechanical Engineering; Lighting; Heating | 45 | Expired |
| US4576255A | Multi-disc brakes | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US4319609A | Five-position hydraulic actuating apparatus | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4464950A | Mechanical control by cable sliding axially in a flexible sheath | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4018419A | Miniature solenoid valve | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US4490102A | Volumetric screw compressor | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4286363A | Method of assembly for a ball and socket joint | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4705324A | Brake-pressure control and modulation system for an antilocking brake circuit assembly component for a disc brake | Performing Operations; Transporting | 17 | Expired |
| US4533025A | Disc brake with a sliding caliper | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4504166A | Method and apparatus for the manufacture of a ball joint and ball joint obtained thus | Emerging Cross-Sectional Technologies | 16 | Expired |
| US3972393A | Friction pad and support for a disc brake | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4598799A | Multi-disc brake | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4101176A | Braking correction device | Performing Operations; Transporting | 15 | Expired |
| US4505519A | Braking system for automobile vehicle formed by a tractor and a trailer | Performing Operations; Transporting | 14 | Expired |
| US4050251A | Hydraulic booster | Performing Operations; Transporting | 14 | Expired |
| US4219105A | Disc brake and a noise-reducing spring for such a brake | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4386247A | Tire pressure pick-up | Electricity | 14 | Expired |
| US4595084A | Drum brakes | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4420988A | Mechanical control arrangement by a cable which is slideable axially in a flexible sheath | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4085828A | Disc brake and heat shield for the same | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4453380A | Method and apparatus for setting the idle stroke of a master-cylinder/servo assembly, and brake control unit adjusted by implementing this method | Performing Operations; Transporting | 13 | Expired |
| US4372428A | Disc brake having sliding caliper | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4499812A | Servo-motor for power-assisted braking | Performing Operations; Transporting | 13 | Expired |
| US4632227A | Pad and torque support assembly for disc brake | Mechanical Engineering; Lighting; Heating | 12 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.