RZ

Raymond G. Ziehm

📍 Littleton, CO: #273 of 1,939 inventorsTop 15%
🗺 Colorado: #7,649 of 40,980 inventorsTop 20%
Overall (All Time): #839,204 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9964315 Water conservation via convective circulation 2018-05-08
8534310 Hot water circulation system 2013-09-17
6161567 Single chamber water circulator 2000-12-19
5918625 Integral water circulation apparatus 1999-07-06
5518022 Aspirator water circulation apparatus 1996-05-21
5331996 Dual mode hot water circulation apparatus 1994-07-26