Inventor
SCHRAM DAVID J
US9 patents
⚠️ This page may combine multiple inventors who share the name “SCHRAM DAVID J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JOHNSON & SON INC S C
8 patentsUS6341732B1Jan 29, 2002
Method and apparatus for maintaining control of liquid flow in a vibratory atomizing device
JOHNSON & SON INC S C186 citations98
US7350720B2Apr 1, 2008
Active material emitting device
JOHNSON & SON INC S C135 citations97
US6450419B1Sep 17, 2002
Self contained liquid atomizer assembly
JOHNSON & SON INC S C90 citations97
US6843430B2Jan 18, 2005
Low leakage liquid atomization device
JOHNSON & SON INC S C78 citations96
US6446880B1Sep 10, 2002
Replaceable reservoir for an atomizing apparatus
JOHNSON & SON INC S C118 citations96
US6786427B2Sep 7, 2004
Liquid sealing arrangements for replaceable liquid reservoirs
JOHNSON & SON INC S C40 citations90
USD518883SApr 11, 2006
Active material cartridge
JOHNSON & SON INC S C12 citations83
USD674475SJan 15, 2013
Wick
JOHNSON & SON INC S C1 citations62