Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RZ

Robert Zwick — 4 Patents

HSHeatwave Drying Systems: 3 patents #3 of 5Top 60%
Castlegar, CA: #2 of 17 inventorsTop 15%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Robert Zwick has been granted 4 US patents while listed as an inventor at Heatwave Drying Systems. The first was granted in 2000 and the most recent in June 2010. Robert Zwick ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Robert Zwick in Castlegar, BC, CA.

Patents per Year

Patents granted per year, 2000 to 2010Bar chart with a peak of 2 patents in 2000.peak 22000: 2 patents20002001: 1 patents20012010: 1 patents2010

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7741266 Process for preparing scented cellulosics and products prepared thereby Adam Bell, Mohamed Mohamed, James Bumenfeld 2010-06-22
6317997 Vacuum port positioning for vacuum drying systems Gary Kenneth Kooznetsoff 2001-11-20
6124584 Moisture measurement control of wood in radio frequency dielectric processes Glenn Craig Blaker, Terry Albert Enegren, Gary Kenneth Kooznetsoff 2000-09-26
6080978 Dielectric drying kiln material handling system Glenn Craig Blaker, Terry Albert Enegren, Yiu Kwan (Eugene) Ho, Gary Kenneth Kooznetsoff 2000-06-27