Inventor
VAN NORMAN DREW
US4 patents
Patents
4 patentsUS7325269B2Feb 5, 2008
Scraper blade interlocking attachment apparatus and method
SPX CORP3 citations58
US6994351B2Feb 7, 2006
Mechanical seal device and method for a scraped surface heat exchanger
SPX CORP5 citations56
US7647666B2Jan 19, 2010
Scraper blade interlocking attachment apparatus and method
SPX CORP0 citations47
US7114552B2Oct 3, 2006
Split mutator shaft
SPX CORP1 citations47