Richard Lovat

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Rexdale, Ontario, CA

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Patents Grantslast 30 patents

Information Patent Grant
Head intake for tunnelling machine
- Patent number 4,732,427
- Issue date Mar 22, 1988
- Richard Lovat
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device for erecting a segmented tunnel wall lining
- Patent number 4,067,201
- Issue date Jan 10, 1978
- Richard Lovat
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rib expander
- Patent number 4,010,616
- Issue date Mar 8, 1977
- Richard Lovat
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tunnelling machine
- Patent number 3,961,825
- Issue date Jun 8, 1976
- Richard Lovat
- E21 - EARTH DRILLING MINING