Inventor · disambiguated record
Keith Kannengieszer
Also filed as: KANNENGIESZER KEITH
3 granted patents·1 pending application·109 citations·filing 2003–2004
75Inventor score
Top patents by PatentIndex Score
4 records- 0186US6990710B2Counterbalance system for a tilt-in window having an improved shoe assembly and anchor mountKUNZ JOHN R·Filed 2003·Granted Jan 31, 2006·40 cites·11 claims
- 0283US6857228B2Counterbalance system for a tilt-in windowJOHN EVANS SONS INC·Filed 2003·Granted Feb 22, 2005·37 cites·12 claims
- 0379US6860066B2Shoeless curl spring counterbalance system for a tilt-in windowJOHN EVANS SONS INC·Filed 2003·Granted Mar 1, 2005·32 cites·8 claims
- 0439US2004206003A1Window sash counterbalance and position locking system for a tilt-in windowFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →