RH

Robert Hefner

Caterpillar: 3 patents #2,162 of 8,398Top 30%
SG Schunk Carbon Technology Gmbh: 1 patents #4 of 13Top 35%
The Dow Chemical: 1 patents #2,215 of 4,115Top 55%
Overall (All Time): #987,233 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10051717 Electrostatic noise grounding system for use in a wind turbine and a rotor and wind turbine comprising the same Kenneth McKay 2018-08-14
6389343 Steering resistance device Kevin Huang, John J. Krone, Andrew H. Nippert 2002-05-14
5109696 Powertrain performance assessment system Irving Bright, Ronald C. Erickson, Dennis K. Greene, Gerald D. Hardy, Lowell E. Johnson +2 more 1992-05-05
4694928 Operator restraint system James C. Barton, Paul A. Reid, Frank R. Sable 1987-09-22
4485220 Polyoxazoline modified unsaturated polyesteramides Robert E. Hefner, Jr. 1984-11-27