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USPTO Patent Rankings Data through Dec 31, 2025
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Daniel E. Siegfried — 13 Patents

VIVeeco Instruments: 11 patents #13 of 323Top 5%
APAgouron Pharmaceuticals: 1 patents #185 of 327Top 60%
PHPharmacia: 1 patents #1,554 of 1,582Top 100%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
Daniel E. Siegfried has been granted 13 US patents while listed as an inventor at Veeco Instruments. The first was granted in 2004 and the most recent in February 2013. Daniel E. Siegfried ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Daniel E. Siegfried in Bern, CO, CH.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8374830 Grid transparency and grid hole pattern control for ion beam uniformity Ikuya Kameyama 2013-02-12 $12,521,000
7718983 Sputtered contamination shielding for an ion source David M. Burtner, Richard Blacker, Valery Alexeyev, John Keem, Vsevolod Zelenkov +1 more 2010-05-18 $25,908,000
7716021 Grid transparency and grid hole pattern control for ion beam uniformity Ikuya Kameyama 2010-05-11 $28,700,000
7566883 Thermal transfer sheet for ion source David M. Burtner, Scott A. Townsend 2009-07-28 $10,857,000
7476869 Gas distributor for ion source David M. Burtner, Scott A. Townsend 2009-01-13 $2,940,000
7439521 Ion source with removable anode assembly David M. Burtner, Scott A. Townsend 2008-10-21 $3,103,000
7425709 Modular ion source David M. Burtner, Scott A. Townsend, Valery Alexeyev 2008-09-16 $2,282,000
7425711 Thermal control plate for ion source David M. Burtner, Scott A. Townsend 2008-09-16 $2,282,000
7342236 Fluid-cooled ion source David M. Burtner, Scott A. Townsend, Viacheslav V. Zhurin 2008-03-11 $4,605,000
7070071 Dispensing apparatus and method for liquid products, particularly medicinal products Bohdan Pavlu, Hans Himbert, Christian Peclat, Emmanuel Gremion, Alain Saurer +1 more 2006-07-04
6984942 Longitudinal cathode expansion in an ion source David M. Burtner, Scott A. Townsend, John Keem, Valery Alexeyev, Vsevolod Zelenkov +1 more 2006-01-10 $2,427,000
6919690 Modular uniform gas distribution system in an ion source David M. Burtner, Scott A. Townsend, John Keem, Mark Krivoruchko, Valery Alexeyev +1 more 2005-07-19 $4,741,000
6758837 Liquid delivery device and method of use thereof Christian Peclat, Emmanuel Gremion, Alain Saurer, Stefan Kaser, Beat Villiger +1 more 2004-07-06