Inventor · disambiguated record
Clark F. Spriegel
Also filed as: SPRIEGEL CLARK F
8 granted patents·277 citations·filing 1997–2002
89Inventor score
Top patents by PatentIndex Score
8 records- 0194US6440303B2Fluid filterCHAPIN MFG INC·Filed 2001·Granted Aug 27, 2002·113 cites·7 claims
- 0291USD431279STank for a hand operated sprayerCHAPIN MFG INC·Filed 2000·Granted Sep 26, 2000·51 cites·1 claims
- 0380USD391626SDesign for the tank of a hand operated compressed air sprayerR E CHAPIN MFG WORKS INC·Filed 1997·Granted Mar 3, 1998·27 cites·1 claims
- 0479US6209804B1Bulkhead fitting for a tank sprayer having a non-rotatable hose adapterCHAPIN MFG INC·Filed 2000·Granted Apr 3, 2001·28 cites·8 claims
- 0569US7025878B2Fluid filterCHAPIN MFG INC·Filed 2002·Granted Apr 11, 2006·15 cites·19 claims
- 0668US6347729B1Hose coupling apparatus for sprayer unitCHAPIN MFG INC·Filed 2000·Granted Feb 19, 2002·18 cites·25 claims
- 0749US5931508AFluid couplingCHAPIN MFG INC·Filed 1997·Granted Aug 3, 1999·18 cites·6 claims
- 0835USD423641SShoulder, neck and cap of a sprayerCHAPIN MFG INC·Filed 1999·Granted Apr 25, 2000·7 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Clark F. Spriegel 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 →