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

Robert Bretl — 9 Patents

GSGemstone Systems: 5 patents #1 of 7Top 15%
PSPivotal Software: 2 patents #98 of 254Top 40%
Broadcom: 2 patents #4,121 of 9,346Top 45%
Portland, OR: #1,884 of 9,213 inventorsTop 25%
Oregon: #4,727 of 28,073 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Robert Bretl has been granted 9 US patents while listed as an inventor at Gemstone Systems. The first was granted in 2001 and the most recent in November 2015. Robert Bretl ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Robert Bretl in Portland, OR, US.

Patents per Year

Patents granted per year, 2001 to 2015Bar chart with a peak of 2 patents in 2012.peak 22001: 1 patents20012002: 1 patents20022004: 1 patents20042009: 1 patents20092010: 1 patents20102012: 2 patents20122014: 1 patents20142015: 1 patents2015

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9189263 Object synchronization in shared object space David J. Monnie 2015-11-17
8689232 Object synchronization in shared object space David J. Monnie 2014-04-01
8201187 Object monitoring system in shared object space David J. Monnie, Michael Nastos, Darrel Schneider, Bruce J. Schuchardt, David Whitlock +1 more 2012-06-12 $40,356,000
8171491 Object synchronization in shared object space David J. Monnie 2012-05-01 $9,607,000
7689986 Shared listeners in shared object space David J. Monnie 2010-03-30
7543301 Shared queues in shared object space David J. Monnie, Eric Zoerner 2009-06-02
6681226 Selective pessimistic locking for a concurrently updateable database Ramachandran Venkatesh 2004-01-20
6360219 Object queues with concurrent updating Martin R. McClure 2002-03-19
6256637 Transactional virtual machine architecture Ramachandran Venkatesh, Allen J. Otis 2001-07-03