Inventor

BUETTNER JOHN M

US3 patents

⚠️ This page may combine multiple inventors who share the name “BUETTNER JOHN M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DONALDSON CO INC

2 patents

US6740142B2May 25, 2004

Industrial bag house elements

DONALDSON CO INC110 citations96

US11813561B2Nov 14, 2023

Filtration media, filter packs, and filter elements with protrusions

DONALDSON CO INC0 citations41

BUETTNER JOHN M

1 patent

US4051919AOct 4, 1977

High fidelity speaker enclosure

BUETTNER JOHN M49 citations84