Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Bandgap Technology › Robert E. Doane
RD

Robert E. Doane — 4 Patents

BTBandgap Technology: 1 patents #3 of 6Top 50%
Lakewood, CO: #241 of 1,100 inventorsTop 25%
Colorado: #10,815 of 40,980 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Robert E. Doane has been granted 4 US patents while listed as an inventor at Bandgap Technology. The first was granted in 1983 and the most recent in September 1994. Robert E. Doane ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Robert E. Doane in Lakewood, CO, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5348723 Synthesis of semiconductor grade tungsten hexafluoride Bruce J. Sabacky 1994-09-20
5328668 Synthesis of semiconductor grade tungsten hexafluoride Bruce J. Sabacky 1994-07-12
5324498 Purification of tungsten hexafluoride Barry J. Streusand, Don A. Almond 1994-06-28
4415542 Controlling scale composition during acid pressure leaching of laterite and garnierite ore Paul B. Queneau, Mark Berggren, Mark W. Cooperrider 1983-11-15

Nearby-Ranked Inventors

Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4