Inventor · disambiguated record
Alvi Kirjavainen
Also filed as: KIRJAVAINEN ALVI
9 granted patents·74 citations·filing 1975–1981
88Inventor score
Technology areasD21F
Files withVALMET OY9
Top patents by PatentIndex Score
9 records- 0157US3976539AAdjustable slice for the headbox or the like of a paper or equivalent machineVALMET OY·Filed 1975·Granted Aug 24, 1976·12 cites·8 claims
- 0255US4162189APaper machine having a headbox provided with an air tankVALMET OY·Filed 1978·Granted Jul 24, 1979·11 cites·12 claims
- 0352US4008123ABeam-deflection compensating structure for headboxesVALMET OY·Filed 1975·Granted Feb 15, 1977·10 cites·6 claims
- 0449US4169757AApparatus for damping pressure fluctuations in pulp suspension flow of paper machinesVALMET OY·Filed 1977·Granted Oct 2, 1979·9 cites·8 claims
- 0544US4414062AHeadbox of a paper machineVALMET OY·Filed 1981·Granted Nov 8, 1983·9 cites·8 claims
- 0642US4166759AApparatus for damping pulp stock pressure fluctuations in a headboxVALMET OY·Filed 1977·Granted Sep 4, 1979·7 cites·13 claims
- 0741US4406741AAdjustable headbox for a paper machineVALMET OY·Filed 1981·Granted Sep 27, 1983·7 cites·8 claims
- 0836US4063997AHydraulic headbox and a gas enclosure communicating therewithVALMET OY·Filed 1976·Granted Dec 20, 1977·5 cites·12 claims
- 0935US4202724AQuick connect apparatus for headbox components in a paper making machineVALMET OY·Filed 1979·Granted May 13, 1980·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →