DH

David George Halm

FI Fisher Controls International: 7 patents #64 of 440Top 15%
📍 Haverhill, IA: #2 of 3 inventorsTop 70%
🗺 Iowa: #2,245 of 15,303 inventorsTop 15%
Overall (All Time): #739,078 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9103453 Valve shaft apparatus for use with rotary valves David Anthony Arnold 2015-08-11
8794589 Actuator having an override apparatus David Anthony Arnold, Michael W. McCarty 2014-08-05
8662099 Valve shaft apparatus for use with rotary valves David Anthony Arnold 2014-03-04
8544820 Biasing apparatus for use with actuators Douglas P. Gethmann, David Anthony Arnold 2013-10-01
8122908 Three-way valve with flow diverter William E. Wears, Daniel M. Adams, Ross Arthur Schade 2012-02-28
7410144 Pivot and bearing assembly for a manual valve operator Douglas P. Gethmann 2008-08-12
7028712 Skirt guided globe valve William E. Wears 2006-04-18