Skip to content
PatentBrief

Patent comparison

Compare Patents

Compare two patents side by side. Add ?a=us/7657849&b=us/8046721 to the URL to load specific patents.

US 9280591

How Databases Keep Read-Only Copies Up-to-Date

Amazon's 2016 patent describes a system for efficiently updating read-only copies of a distributed database by sending specific change notifications, ensuring read-only nodes show

Statusactive
Granted2016
Expires2033
Claims23
Forward citations108
Prior art71
AssigneeAmazon Technologies Inc
InventorsTengiz Kharatishvili, Pradeep Jnana Madhavarapu +1
Read full analysis →

Patent B

Add ?b=us/7657849 to compare

Find a patent

How to use

Bookmark a comparison URL to save it. Format: /compare?a=[country]/[number]&b=[country]/[number]. Example: /compare?a=us/7657849&b=us/8046721