Individual holder
AHLGREN NILS H
8 granted patents·61 citations·filing 1974–1977
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
8 records- 0163US3979787AMethod of supporting bridge structures and like heavy-weight rigid structures upon displacement thereofAHLGREN NILS H·Filed 1975·Granted Sep 14, 1976·18 cites·4 claims
- 0256US4128610AMethod for casting concrete structuresAHLGREN NILS H·Filed 1977·Granted Dec 5, 1978·15 cites·7 claims
- 0350US4050255AMethods of shifting heavy and/or loaded structuresAHLGREN NILS H·Filed 1975·Granted Sep 27, 1977·7 cites·5 claims
- 0447US3940109ALifting device for raising, lowering and suspending heavy loadsAHLGREN NILS H·Filed 1975·Granted Feb 24, 1976·5 cites·5 claims
- 0544US3985653ARotary apparatus adapted to bring at least two media of different weight into alternate contact with the apparatus surfacesAHLGREN NILS H·Filed 1974·Granted Oct 12, 1976·4 cites·10 claims
- 0639US3945169AFramework structuresAHLGREN NILS H·Filed 1975·Granted Mar 23, 1976·8 cites·7 claims
- 0731US4126407AMethods of shifting heavy and/or loaded structuresAHLGREN NILS H·Filed 1977·Granted Nov 21, 1978·4 cites·9 claims
- 0827US4129631AMethods for guiding slip-forms in slip-form concretingAHLGREN NILS H·Filed 1976·Granted Dec 12, 1978·0 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →