CB

Colin Bulthaup

📍 Oakland, CA: #1,026 of 4,380 inventorsTop 25%
🗺 California: #93,399 of 386,348 inventorsTop 25%
Overall (All Time): #861,987 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8093731 Gearless human power generation Saul Griffith, Dan Goldwater, Corwin Hardham, George E. Homsy, II, Eric Wilhelm +4 more 2012-01-10
8013457 Human power generation using dual pulls Saul Griffith, Dan Goldwater, Corwin Hardham, George E. Homsy, II, Eric Wilhelm 2011-09-06
7915867 Synchronous control for generator output John Lewis, Michael O'Hara 2011-03-29
7752830 Electronic elongation-sensing rope Dan Goldwater, Saul Griffith, Eric Wilhelm 2010-07-13
7747355 Electrical power generator with adaptive coupling Saul Griffith, Dan Goldwater, Corwin Hardham, George E. Homsy, II, Eric Wilhelm +5 more 2010-06-29
7516605 Electronic elongation-sensing rope Dan Goldwater, Saul Griffith, Eric Wilhelm 2009-04-14