Inventor

Timothy R. Malkemus

Inventor

Round Rock, TX, US

Overview

1992–2021

Patent span

Physics

Primary field (CPC G)

Patents· 37 as inventor

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

G06Fprimary

G06FElectric digital data processing63%

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

H03MCoding4%

PatentTitleYear

11,126,503Pre-filtering of join execution over multi-column range summaries and other synopses2021 11,036,737Partitioned bloom filter merge for massively parallel processing clustered data management2021 10,719,512Partitioned bloom filter merge for massively parallel processing clustered data management2020 10,289,707Data skipping and compression through partitioning of data2019 9,792,341'Database query processing using horizontal data record alignment of multi-column range summaries'2017 9,229,970'Methods to minimize communication in a cluster database system'2016 8,990,173'Method and apparatus for selecting an optimal delete-safe compression method on list of delta encoded integers'2015 8,255,398'Compression of sorted value indexes using common prefixes'2012 8,200,645'System and method for executing multiple concurrent index-driven table access operations'2012 8,176,035'Detecting and tracking monotonicity for accelerating range and inequality queries'2012 8,140,516'Method, system and article of manufacture for improving execution efficiency of a database workload'2012 8,126,929'Method and apparatus for encoding list of variable length structures to support bi-directional scans'2012 8,010,766'Increasing buffer locality during multiple table access operations'2011 8,005,872'Method for fast deletion of physically clustered data'2011 7,937,541'Speed selective table scan operation'2011 7,836,036'System and method for estimating distances between multiple index-driven scan operations'2010 7,765,211'System and method for space management of multidimensionally clustered tables'2010 7,685,181'Method and system for utilizing a hierarchical bitmap structure to provide a fast and reliable mechanism to represent large deleted data sets in relational databases'2010 7,631,014'Method and apparatus for fast deletion of physically clustered data'2009 7,519,583'Detecting and tracking monotonicity for accelerating range and inequality queries'2009 7,516,117'Method for accelerating range queries using periodic monotonic properties of non-monotonic functions'2009 7,512,747'Method and apparatus for efficiently supporting multiple one-time table access operations in a hierarchical memory setting'2009 7,483,873'Method, system and article of manufacture for improving execution efficiency of a database workload'2009 7,236,974'System and method for a multi-level locking hierarchy in a database with multi-dimensional clustering'2007 7,167,878'System and method for identifying and maintaining base table data blocks requiring deferred incremental integrity maintenance'2007 7,080,081'Multidimensional data clustering scheme for query processing and maintenance in relational databases'2006 6,983,275'Optimizing database query by generating, determining the type of derived predicate based on monotonicity of the column generating expression for each remaining inequality predicate in the list of unexamined predicates'2006 6,925,463'Method and system for query processing by combining indexes of multilevel granularity or composition'2005 RE037965'Method for localizing execution or subqueries and determining collocation of execution of subqueries in a parallel database'2003 5,745,746'Method for localizing execution of subqueries and determining collocation of execution of subqueries in a parallel database'1998 5,630,124'System and method for assuring atomicity of distributed update requests in a parallel database'1997 5,619,692'Semantic optimization of query order requirements using order detection by normalization in a query compiler system'1997 5,504,886'System and method for applying user supplied relation definitions to application files for a relational database'1996 5,446,858'Apparatus and method for transferring information in blocks from a database to a memory'1995 5,386,557'Enforcement of referential constraints in a database system'1995 5,226,158'Method and apparatus for maintaining referential integrity within a relational database'1993 5,089,985'System and method for performing a sort operation in a relational database manager to pass results directly to a user without writing to disk'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2021Patents assigned to IBM (37)· patent assignee history

1992–2021Based in Round Rock, TX, US· patent location history

1995–1996Based in Unionville, CA· patent location history

2010–2021Based in Leander, TX, US· patent location history

2012–2015Patents assigned to BHATTACHARJEE BISHWARANJAN (6)· patent assignee history

2012–2015Patents assigned to MALKEMUS TIMOTHY RAY (4)· patent assignee history

2012–2015Patents assigned to LIM LIPYEOW (3)· patent assignee history

2012–2016Patents assigned to MALKEMUS TIMOTHY R (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IBM	37	1992–2021
BHATTACHARJEE BISHWARANJAN	6	2012–2015
MALKEMUS TIMOTHY RAYself	4	2012–2015
LIM LIPYEOW	3	2012–2015
MALKEMUS TIMOTHY Rself	3	2012–2016

Locations

Location	Patents	Span
Round Rock, Texas, US	27	1992–2021
Leander, Texas, US	8	2010–2021
Unionville, CA	2	1995–1996