Inventor · disambiguated record
Richard Von Holzen
Also filed as: VON HOLZEN RICHARD
4 granted patents·49 citations·filing 1998–2005
75Inventor score
Top patents by PatentIndex Score
4 records- 0177US6142259AMethod and device for controlling a hydraulic liftBUCHER GUYER AG·Filed 1998·Granted Nov 7, 2000·29 cites·11 claims
- 0255US6971481B2Hydraulic elevator with motor controlled hydraulic drive and method for controlling the hydraulic elevatorBUCHER HYDRAULICS AG·Filed 2002·Granted Dec 6, 2005·9 cites·10 claims
- 0351US7946391B2Hydraulic elevator without machine roomBUCHER HYDRAULICS AG·Filed 2005·Granted May 24, 2011·3 cites·9 claims
- 0449US7134528B2Hydraulic elevator with valve for preventing discharge of pressure accumulator and method of controlling sameBUCHER HYDRAULICS AG·Filed 2002·Granted Nov 14, 2006·8 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →