Inventor · disambiguated record
Piet Kalkman
Also filed as: KALKMAN PIET
3 granted patents·136 citations·filing 1996–1998
75Inventor score
Top patents by PatentIndex Score
3 records- 0186US6439445B1TensionerITREC BV·Filed 1998·Granted Aug 27, 2002·65 cites·8 claims
- 0285US5823712AMethod and installation for laying a pipeline on a surface located under waterALLSEAS GROUP SA·Filed 1996·Granted Oct 20, 1998·64 cites·8 claims
- 0335US6024184ATransport vehicle for large, heavy loadsITREC BV·Filed 1998·Granted Feb 15, 2000·7 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Piet Kalkman 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 →