Inventor
DAVENPORT WILLIAM C
US58 patents
⚠️ This page may combine multiple inventors who share the name “DAVENPORT WILLIAM C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EMC CORP
30 patentsUS9846706B1Dec 19, 2017
Managing mounting of file systems
EMC CORP71 citations98
US9594514B1Mar 14, 2017
Managing host data placed in a container file system on a data storage array having multiple storage tiers
EMC CORP114 citations98
US9778996B1Oct 3, 2017
File system version set infrastructure
EMC CORP21 citations94
US9569455B1Feb 14, 2017
Deduplicating container files
EMC CORP42 citations94
US9400741B1Jul 26, 2016
Reclaiming space from file system hosting many primary storage objects and their snapshots
EMC CORP30 citations94
US10262023B1Apr 16, 2019
Managing data inconsistencies in file systems
EMC CORP22 citations93
US9842117B1Dec 12, 2017
Managing replication of file systems
EMC CORP23 citations93
US9280578B1Mar 8, 2016
Combining transactions in a metadata transaction log
EMC CORP25 citations93
US10242012B1Mar 26, 2019
Managing truncation of files of file systems
EMC CORP16 citations86
US10387369B1Aug 20, 2019
Managing file deletions of files and versions of files in storage systems
EMC CORP19 citations85
US11023488B1Jun 1, 2021
Preserving quality of service when replicating data objects
EMC CORP8 citations84
US10242011B1Mar 26, 2019
Managing truncation of files of file systems
EMC CORP8 citations84
US9940331B1Apr 10, 2018
Proactive scavenging of file system snaps
EMC CORP12 citations84
US9256603B1Feb 9, 2016
File system over fully provisioned volume file in direct mode
EMC CORP9 citations84
US9122712B1Sep 1, 2015
Compressing container files
EMC CORP20 citations84
US9430492B1Aug 30, 2016
Efficient scavenging of data and metadata file system blocks
EMC CORP11 citations83
US9400792B1Jul 26, 2016
File system inline fine grained tiering
EMC CORP15 citations83
US10528429B1Jan 7, 2020
Managing recovery of file systems
EMC CORP14 citations82
US9430503B1Aug 30, 2016
Coalescing transactional same-block writes for virtual block maps
EMC CORP9 citations82
US9128629B1Sep 8, 2015
Throttling techniques for use with data relocation
EMC CORP8 citations82
US10146782B1Dec 4, 2018
Secure erasure of files by a filesystem
EMC CORP14 citations79
US10013217B1Jul 3, 2018
Upper deck file system shrink for directly and thinly provisioned lower deck file system in which upper deck file system is stored in a volume file within lower deck file system where both upper deck file system and lower deck file system resides in storage processor memory
EMC CORP4 citations73
US9329803B1May 3, 2016
File system over thinly provisioned volume file in mapped mode
EMC CORP6 citations73
US9256614B1Feb 9, 2016
File system snapshots over fully provisioned volume file in direct mode
EMC CORP4 citations73
US9256629B1Feb 9, 2016
File system snapshots over thinly provisioned volume file in mapped mode
EMC CORP5 citations73
US10127236B1Nov 13, 2018
Filesystem storing file data in larger units than used for metadata
EMC CORP5 citations72
US9690837B1Jun 27, 2017
Techniques for preserving redundant copies of metadata in a data storage system employing de-duplication
EMC CORP4 citations72
US9477421B1Oct 25, 2016
System and method for storage management using root and data slices
EMC CORP3 citations71
US11100050B1Aug 24, 2021
Dense file reservation in thinly provisioned file system
EMC CORP1 citations62
US9317419B1Apr 19, 2016
System and method for thin provisioning
EMC CORP2 citations62
EMC IP HOLDING CO LLC
18 patentsUS10120887B1Nov 6, 2018
Demand-driven initialization of data storage structures
EMC IP HOLDING CO LLC36 citations93
US10248623B1Apr 2, 2019
Data deduplication techniques
EMC IP HOLDING CO LLC23 citations92
US11269776B2Mar 8, 2022
Direct input/output path to compressed data
EMC IP HOLDING CO LLC7 citations86
US10733161B1Aug 4, 2020
Atomically managing data objects and assigned attributes
EMC IP HOLDING CO LLC7 citations84
US10146466B1Dec 4, 2018
Merging mapping metadata to promote reference counting efficiency
EMC IP HOLDING CO LLC7 citations84
US10048885B1Aug 14, 2018
Managing reclaiming storage space in file systems
EMC IP HOLDING CO LLC13 citations84
US10007671B1Jun 26, 2018
Data storage system employing space reclaim approximation
EMC IP HOLDING CO LLC8 citations84
US10318166B1Jun 11, 2019
Preserving locality of storage accesses by virtual machine copies in hyper-converged infrastructure appliances
EMC IP HOLDING CO LLC10 citations83
US10148662B1Dec 4, 2018
De-duplication of access control lists
EMC IP HOLDING CO LLC7 citations83
US10209909B1Feb 19, 2019
Storage element cloning in presence of data storage pre-mapper
EMC IP HOLDING CO LLC5 citations72
US10545926B1Jan 28, 2020
Computer data file system with consistency groups as basic file system objects
EMC IP HOLDING CO LLC1 citations63
US11755470B2Sep 12, 2023
System and method for reduced lock contention and improved performance
EMC IP HOLDING CO LLC0 citations62
US11556262B2Jan 17, 2023
Extent operation processing
EMC IP HOLDING CO LLC1 citations62
US11372573B2Jun 28, 2022
System and method for synchronous replication write handling
EMC IP HOLDING CO LLC0 citations62
US10983705B2Apr 20, 2021
Handling pattern identifiers in a data storage system
EMC IP HOLDING CO LLC1 citations62
US10678641B2Jun 9, 2020
Techniques for optimizing metadata resiliency and performance
EMC IP HOLDING CO LLC1 citations62
US11681657B2Jun 20, 2023
System and method for parallel flushing with bucketized data
EMC IP HOLDING CO LLC0 citations61
US10970211B2Apr 6, 2021
Techniques for reducing size of log records
EMC IP HOLDING CO LLC1 citations61
DAVENPORT WILLIAM C
2 patentsShowing the top 50 of 58 patents by PatentIndex Score.