Inventor · disambiguated record
A. John Van Der Griendt
Also filed as: VAN DER GRIENDT A JOHN
3 granted patents·51 citations·filing 1999–2003
72Inventor score
Technology areasF01M
Top patents by PatentIndex Score
3 records- 0162US6234274B1Low profile nippleK J MFG INC·Filed 1999·Granted May 22, 2001·25 cites·23 claims
- 0258US6213173B1Engine air purge apparatus and methodK J MFG CO·Filed 1999·Granted Apr 10, 2001·18 cites·11 claims
- 0352US7163085B1Apparatus for draining used engine oilK J MFG COMPANY·Filed 2003·Granted Jan 16, 2007·8 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →