Inventor · disambiguated record
Kees Dijkstra
Also filed as: DIJKSTRA KEES
5 granted patents·97 citations·filing 1983–1994
82Inventor score
Top patents by PatentIndex Score
5 records- 0174US4607382AElectroacoustic transducer unit with reduced resonant frequency and mechanical spring with negative spring stiffness, preferably used in such a transducer unitPHILIPS CORP·Filed 1984·Granted Aug 19, 1986·40 cites·17 claims
- 0272US4498296AThermodynamic oscillator with average pressure controlPHILIPS CORP·Filed 1983·Granted Feb 12, 1985·25 cites·10 claims
- 0342US4619119AHeat pump comprising a thermally driven liquid pump and liquid pump for use in a heat pumpPHILIPS CORP·Filed 1985·Granted Oct 28, 1986·10 cites·8 claims
- 0435US4722517AMechanical spring having negative spring stiffness useful in an electroacoustic transducerDIJKSTRA KEES·Filed 1986·Granted Feb 2, 1988·13 cites·8 claims
- 0534US5482679ADevice for determining the Wobbe index of a gas mixtureNEDERLANDSE GASUNIE NV·Filed 1994·Granted Jan 9, 1996·9 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Kees Dijkstra files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →