Inventor

Hansjorg Zeller

Inventor

Los Altos, CA, US

Overview

1996–2019

Patent span

Physics

Primary field (CPC G)

Patents· 20 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary

G06FElectric digital data processing67%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%

PatentTitleYear

10,430,411Incrementally updating statistics2019 9,535,953'Systems and methods for managing a database'2017 9,465,826'Estimating unique entry counts using a counting bloom filter'2016 9,165,032'Allocation of resources for concurrent query execution via adaptive segmentation'2015 8,898,142'Risk-premium-based database-query optimization'2014 8,666,966'Providing parallel result streams for database queries'2014 8,554,760'System and method for optimizing queries'2013 8,380,699'System and method for optimizing queries'2013 7,818,297'System and method for refreshing a table using epochs'2010 7,765,531'Systems and methods for handling multiple static query modules for distinct environments'2010 7,680,771'Apparatus, system, and method for database provisioning'2010 6,604,102'System and method for performing database operations on a continuous stream of tuples'2003 6,438,741'System and method for eliminating compile time explosion in a top down rule based system using selective sampling'2002 6,339,772'System and method for performing database operations on a continuous stream of tuples'2002 6,021,405'System and method for optimizing database queries with improved performance enhancements'2000 5,822,747'System and method for optimizing database queries'1998 5,819,255'System and method for database query optimization'1998 5,724,570'Method and apparatus for a complete SQL subquery elimination process'1998 5,717,911'Relational database system and method with high availability compliation of SQL programs'1998 5,511,190'Hash-based database grouping system and method'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2000Patents assigned to TANDEM COMPUTERS INC (6)· patent assignee history

1996–2019Based in Los Altos, CA, US· patent location history

2002Patents assigned to COMPAQ COMPUTER CORP (2)· patent assignee history

2003–2019Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (9)· patent assignee history

2013–2017Patents assigned to ZELLER HANSJORG (6)· patent assignee history

2013–2017Patents assigned to AL-OMARI AWNY K (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HEWLETT PACKARD DEVELOPMENT CO	9	2003–2019
TANDEM COMPUTERS INC	6	1996–2000
ZELLER HANSJORGself	6	2013–2017
AL-OMARI AWNY K	4	2013–2017
COMPAQ COMPUTER CORP	2	2002

Locations

Location	Patents	Span
Los Altos, California, US	20	1996–2019