Individual holder
RAY LOUIS F
8 granted patents·156 citations·filing 1976–1981
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
8 records- 0188US4067446ACable stay craneRAY LOUIS F·Filed 1976·Granted Jan 10, 1978·38 cites·3 claims
- 0283US4113112AConstant balance craneRAY LOUIS F·Filed 1976·Granted Sep 12, 1978·33 cites·6 claims
- 0375US4353749AProcess of producing a useful soil cement product from industrial chemical wasteRAY LOUIS F·Filed 1980·Granted Oct 12, 1982·30 cites·4 claims
- 0471US4039086ALoad balance, double bucket cable stay crane with load sensing meansRAY LOUIS F·Filed 1976·Granted Aug 2, 1977·20 cites·9 claims
- 0558US4074818ALoading/unloading crane with buoyant counterweight systemRAY LOUIS F·Filed 1976·Granted Feb 21, 1978·14 cites·5 claims
- 0645US4382418ABarge unloading terminalRAY LOUIS F·Filed 1981·Granted May 10, 1983·8 cites·14 claims
- 0744US4220246ASheave adjustable balance craneRAY LOUIS F·Filed 1978·Granted Sep 2, 1980·8 cites·10 claims
- 0835US4074817ABarge cable craneRAY LOUIS F·Filed 1976·Granted Feb 21, 1978·5 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when RAY LOUIS F files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →