Inventor · disambiguated record

Douglas Weerstra

Also filed as: WEERSTRA DOUGLAS D

1 granted patent·1 pending application·17 citations·filing 1997–2006

38Inventor score

Technology areasC07C G01N

Files withMESA LAB INC2

Top patents by PatentIndex Score

2 records

0162US5760297ASystem for measuring acid concentration in an alkylation processMESA LAB INC·Filed 1997·Granted Jun 2, 1998·17 cites·19 claims
0231US2007024287A1Apparatus and method for measuring liquid conductivity and electrode series capacitanceMESA LAB INC·Filed 2006·Application pending·0 cites

Join the waitlist — get patent alerts

Get an alert when Douglas Weerstra 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 →