Inventor
PFEIFFER JOHN W
US22 patents
⚠️ This page may combine multiple inventors who share the name “PFEIFFER JOHN W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YOUNG IND INC
18 patentsUS6764253B1Jul 20, 2004
System and method for assuring fluidization of a material transported in a pneumatic conveying system
YOUNG IND INC54 citations96
US6722822B2Apr 20, 2004
System for pneumatically conveying bulk particulate materials
YOUNG IND INC21 citations92
US6719500B2Apr 13, 2004
System for pneumatically conveying bulk particulate materials
YOUNG IND INC41 citations92
US6609871B2Aug 26, 2003
System for handling bulk particulate materials
YOUNG IND INC39 citations92
US5746796AMay 5, 1998
Air filtration apparatus and filter cartridge retaining means therefor
YOUNG IND INC27 citations86
US6254315B1Jul 3, 2001
Eductor wand for bulk particulate materials
YOUNG IND INC16 citations84
US6964544B2Nov 15, 2005
System for pneumatically conveying bulk particulate materials
YOUNG IND INC5 citations73
US6796749B2Sep 28, 2004
System for pneumatically conveying bulk particulate materials
YOUNG IND INC4 citations73
US6682290B2Jan 27, 2004
System for handling bulk particulate materials
YOUNG IND INC8 citations73
US6345936B2Feb 12, 2002
Bulk material conveying system and ejector therefor
YOUNG IND INC11 citations73
US5769572AJun 23, 1998
Bag dumping station vacuum
YOUNG IND INC14 citations73
US7384230B2Jun 10, 2008
System and method for handling containers of bulk particulate materials
YOUNG IND INC6 citations72
US7063493B2Jun 20, 2006
System and method for handling containers of bulk particulate materials
YOUNG IND INC9 citations72
US7073985B2Jul 11, 2006
System for pneumatically conveying bulk particulate materials
YOUNG IND INC3 citations62
US6843633B2Jan 18, 2005
System and apparatus for filling containers with bulk particulate materials
YOUNG IND INC3 citations62
US6345935B2Feb 12, 2002
Vacuum system for particulate materials and an improved ejector device therefor
YOUNG IND INC5 citations62
US7967546B2Jun 28, 2011
System and method for handling containers of bulk particulate materials
YOUNG IND INC1 citations61
US6739358B2May 25, 2004
System and apparatus for filling containers with bulk particulate materials
YOUNG IND INC1 citations52