Control Data Canada, Ltd.
Ottawa, CA· latest recorded location
Control Data Canada, Ltd. is named on 8 US grants and 0 published applications in this corpus. Its most frequent classification is G08B (Signalling systems).
- Granted patents
- 8
- Published applications
- 0
- Inventors
- 10
- Granted in 2026 so far
- 0
- Most recent grant
- 12 Dec 1989
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
By publication year.
Technology areas
Share of 8 documents
Recent patents
- Perimeter intrusion detection system with block ranging capabilities12 Dec 1989US 4,887,069 A
- Intrusion detection system7 Nov 1989US 4,879,544 A
- Leaky coaxial cable providing inductive coupling by eliminating radiating gaps, and the method of making same26 Jul 1988US 4,760,362 A
- Algorithm for radar coordinate conversion in digital scan converters29 Sep 1987US 4,697,185 A
- Intrusion detection system using leaky transmission lines6 Dec 1983US 4,419,659 A
No published applications.
Most cited
By later US patents
- Intrusion detection system205US 4,879,544 A1989
- Algorithm for radar coordinate conversion in digital scan converters21US 4,697,185 A1987
- Intrusion detection system using leaky transmission lines20US 4,419,659 A1983
- Perimeter intrusion detection system with block ranging capabilities13US 4,887,069 A1989
- Leaky coaxial cable providing inductive coupling by eliminating radiating gaps, and the method of making same12US 4,760,362 A1988