Inventor · disambiguated record
Frank O. Silvander
Also filed as: SILVANDER FRANK O
3 granted patents·23 citations·filing 1978–1982
67Inventor score
Files withSILVANDER FRANK OTTO3
Top patents by PatentIndex Score
3 records- 0150US4196557ADevice for end-to-end connection of elongated concrete elementsSILVANDER FRANK OTTO·Filed 1978·Granted Apr 8, 1980·15 cites·14 claims
- 0227US4413927AElement for use in concrete pile casting to align coupling members on end fittingsSILVANDER FRANK OTTO·Filed 1982·Granted Nov 8, 1983·5 cites·2 claims
- 0327US4272875ADevice to align the end fittings in the casting of concrete pilesSILVANDER FRANK OTTO·Filed 1979·Granted Jun 16, 1981·3 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →