Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RH

Robert E. Haun — 6 Patents

RSRetech Systems: 3 patents #2 of 11Top 20%
RCRetech Co.: 1 patents #5 of 12Top 45%
Healdsburg, CA: #24 of 126 inventorsTop 20%
California: #94,478 of 386,348 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Robert E. Haun has been granted 6 US patents while listed as an inventor at Retech Systems. The first was granted in 1993 and the most recent in April 2019. Robert E. Haun ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Robert E. Haun in Healdsburg, CA, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10259038 Method and system for sensing ingot position in reduced cross-sectional area molds Paul G. Meese 2019-04-16
10022787 Method and system for sensing ingot position in reduced cross-sectional area molds Paul G. Meese 2018-07-17
9598747 System and method of melting raw materials Robin A. Lampson, Paul G. Meese, Matthew Charles, Edward C. Strout, Todd R. Telfer 2017-03-21
6313429 Dual mode plasma arc torch for use with plasma arc treatment system and method of use thereof Robin A. Lampson, Roger S. Brooks, Richard C. Eschenbach 2001-11-06
6006821 Method and apparatus for melting and pouring specialty metals Robin A. Lampson 1999-12-28
5183498 Gas barrier for the refining superalloy Neil C. Elmer, Robin A. Lampson 1993-02-02