CERIDIAN CORPORATION
20Patents
0Active
20Granted
35Portfolio score
Filing activity: Jul 10, 1963 → Oct 15, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5787334A | Method and apparatus for automatically identifying a program including a sound signal | Electricity | 278 | Expired |
| US5280413A | Hermetically sealed circuit modules having conductive cap anchors | Electricity | 40 | Expired |
| US5294039A | Plated compliant lead | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5407763A | Mask alignment mark system | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5233686A | Open systems software backplane architecture for federated execution of independent application programs | Physics | 31 | Expired |
| US5241638A | Dual cache memory | Physics | 29 | Expired |
| US5161986A | Low inductance circuit apparatus with controlled impedance cross-unders and connector for connecting to backpanels | Electricity | 26 | Expired |
| US5608889A | DNA controller with wrap-around buffer mode | Physics | 22 | Expired |
| US5305442A | Generalized hierarchical architecture for bus adapters | Physics | 18 | Expired |
| US5210527A | Programmable spike detector | Physics | 18 | Expired |
| US5381552A | Programmable system for prioritizing and collecting central processor unit interrupts | Physics | 16 | Expired |
| US5734475A | Process of measuring coplanarity of circuit pads and/or grid arrays | Electricity | 15 | Expired |
| US5281971A | Radar techniques for detection of particular targets | Physics | 12 | Expired |
| US5399239A | Method of fabricating conductive structures on substrates | Electricity | 12 | Expired |
| US5746367A | Method and apparatus to wick solder from conductive surfaces | Performing Operations; Transporting | 11 | Expired |
| US5289188A | High resolution radar system for high speed and satellite vehicles | Physics | 9 | Expired |
| US5627482A | Electronic digital clock distribution system | Physics | 7 | Expired |
| US5312536A | Method and apparatus to evaluate effectiveness of cleaning systems for high density electronics | Physics | 4 | Expired |
| US5466540A | Mark of an electronic component lid | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5274608A | Sonar transducer | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.