Inventor

SUND JR JOHN A

US4 patents

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

DB RILEY INC

2 patents

US5685240ANov 11, 1997

Variable orifice plate for coal pipes

DB RILEY INC46 citations92

US5593131AJan 14, 1997

Variable orifice plate for coal pipes

DB RILEY INC33 citations89

BABCOCK POWER SERVICES INC

2 patents

US9821966B2Nov 21, 2017

Concentric flow variable orifices for gas and particulate flow balance

BABCOCK POWER SERVICES INC6 citations71

US9764908B2Sep 19, 2017

Concentric flow variable orifices for gas and particulate flow balance

BABCOCK POWER SERVICES INC5 citations71