Inventor · disambiguated record
Charles R. Harrold
Also filed as: HARROLD CHARLES R
5 granted patents·2 pending applications·181 citations·filing 1995–2004
85Inventor score
Top patents by PatentIndex Score
7 records- 0188US6543509B1Apparatus for forming agricultural drip tapeNELSON IRRIGATION CORP·Filed 2000·Granted Apr 8, 2003·37 cites·6 claims
- 0286US6920907B2Apparatus for forming agricultural drip tapeMICRO IRRIGATION TECH INC·Filed 2002·Granted Jul 26, 2005·25 cites·6 claims
- 0386US6620278B1Drip tape manufacturing processNELSON IRRIGATION CORP·Filed 2000·Granted Sep 16, 2003·32 cites·17 claims
- 0486US6120634AMethod and apparatus for forming agricultural drip tapeMICRO IRRIGATION TECH INC·Filed 1997·Granted Sep 19, 2000·57 cites·20 claims
- 0569US5688072AAgricultural drip tapeMICRO IRRIGATION TECH INC·Filed 1995·Granted Nov 18, 1997·30 cites·26 claims
- 0643US2005184511A1Water supply tube and riser assembly and related methodNELSON IRRIGATION CORP·Filed 2004·Application pending·0 cites
- 0736US2005258279A1Pressure compensating drip tape and related methodNELSON IRRIGATION CORP·Filed 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Charles R. Harrold 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 →