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Frederick E. To — 5 Patents

PAProspective Concepts Ag: 5 patents #3 of 24Top 15%
Gondiswil, CH: #1 of 2 inventorsTop 50%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Frederick E. To has been granted 5 US patents while listed as an inventor at Prospective Concepts Ag. The first was granted in 2001 and the most recent in April 2005. Frederick E. To ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Frederick E. To in Gondiswil, CH.

Patents per Year

Patents granted per year, 2001 to 2005Bar chart with a peak of 2 patents in 2002.peak 22001: 1 patents20012002: 2 patents20022003: 1 patents20032005: 1 patents2005

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6874192 Pneumatic construction or bridging element — 2005-04-05
6644591 Aerodynamic supplementary device for float aircraft Res Kammer 2003-11-11
6499420 Pneumatic float for light and ultralight aircraft Res Kammer 2002-12-31
6347769 Adaptive pneumatic wings for flying devices with fixed wings Res Kammer 2002-02-19
6199796 Adaptive pneumatic wing for fixed wing aircraft Andreas Reinhard, Otto Ramseier, Res Kammer 2001-03-13

Frequent Collaborators

Res Kammer4 shared
Otto Ramseier1 shared
Andreas Reinhard1 shared

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