Inventor · disambiguated record
Peter Hilgraf
Also filed as: HILGRAF PETER
6 granted patents·2 pending applications·125 citations·filing 1982–2010
85Inventor score
Top patents by PatentIndex Score
8 records- 0192US7144204B2Pneumatic conveyor device and methodPETERS CLAUDIUS TECH GMBH·Filed 2002·Granted Dec 5, 2006·58 cites·11 claims
- 0278US8348556B2Solids distributor for injection plants, blast furnaces and the likePETERS CLAUDIUS PROJECTS GMBH·Filed 2007·Granted Jan 8, 2013·19 cites·14 claims
- 0371US7886457B2Cooler for bulk material having a sealing device between adjoining conveying planksPETERS CLAUDIUS PROJECTS GMBH·Filed 2007·Granted Feb 15, 2011·6 cites·21 claims
- 0471US4529337ADistribution of particulate materialPETERS AG CLAUDIUS·Filed 1982·Granted Jul 16, 1985·22 cites·3 claims
- 0563US4475849ADevice and method for the uniform distribution of a bulk materials streamPETERS AG CLAUDIUS·Filed 1982·Granted Oct 9, 1984·15 cites·11 claims
- 0655US8573895B2Unloading plant for low-lying storage bunkersHILGRAF PETER·Filed 2010·Granted Nov 5, 2013·5 cites·8 claims
- 0745US2011150750A1Calcination method and systemPETERS CLAUDIUS TECH GMBH·Filed 2009·Application pending·0 cites
- 0842US2009269149A1Conveyor device for powder materialsPETERS CLAUDIUS TECH GMBH·Filed 2007·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Peter Hilgraf 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 →