DN

Drew Van Norman

SP Spx: 14 patents #15 of 468Top 4%
UI United Dominion Industries: 1 patents #14 of 38Top 40%
Overall (All Time): #289,026 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12000403 Stator saver arrangement for canned motor pump Benjamin Hardy, Patrick Aron DiRico 2024-06-04
7793418 Mounting system and method for scraped surface heat exchanger blades Curt Hagen, Benjamin Hardy 2010-09-14
7647666 Scraper blade interlocking attachment apparatus and method Benjamin Hardy 2010-01-19
7563087 Pump rotor seal apparatus and method Curt Hagen 2009-07-21
7325269 Scraper blade interlocking attachment apparatus and method Benjamin Hardy 2008-02-05
7114552 Split mutator shaft Curt Hagen 2006-10-03
D520203 Scraper blade Benjamin Hardy, Curtis L. Hagen 2006-05-02
D518069 Pump gearbox bearing retainers and drive shafts 2006-03-28
D517090 Pump gearbox bearing retainers and drive shafts 2006-03-14
D516087 Pump gearbox bearing retainers and drive shafts 2006-02-28
D515760 Scraper blade Benjamin Hardy, Curtis L. Hagen 2006-02-21
6994351 Mechanical seal device and method for a scraped surface heat exchanger 2006-02-07
D509226 Combined pump gear box bearing retainers and drive shafts 2005-09-06
D509225 Combined pump gear box bearing retainers and drive shafts 2005-09-06
D508920 Combined pump gear box bearing retainers and drive shafts 2005-08-30
6183231 Clean-in-place gear pump 2001-02-06