Blazon: Gules a bar wavy azure surmounted by two logs raguly palewise in fess argent
These may possibly be canting arms (“Stumpf” meaning “stump” in German), which also incorporate elements of the arms of the former municipalities of Weipertshofen (the fess wavy) and Rechenberg (gules and argent). I should note that this is all speculation.
In use since at least 1991
Blazon: Gules a castle triple-towered or windowed azure supported by two lions counter-rampant and rampant of the second, in chief two logs in saltire argent, all between six like castles in pale 3 and 3, and another in base
Blazon: Per quarterly I gules five bezants in saltire, II azure two arrowheads in fess, points to the dexter and sinister, surmounted by a castle triple-towered argent, in chief a garland proper; III or a lion rampant gules; IV argent three men on a bridge supporting a log in bend sinister, all proper