# Amazon Technologies Inc — Patents explained on PatentBrief

Amazon Technologies Inc has 14 landmark patents explained in plain English on PatentBrief.

- [How Computers Find Similar Text Using Compact Data Structures](https://patentbrief.org/patent/us/10878335/bert-bidirectional-encoder-representations) — granted 2020
  This patent describes a method for efficiently identifying similar text records, like documents or product reviews, by using special compact data structures that store text terms probabilistically and then analyzing them with machine learning.
- [How to Make Artificial Intelligence Explain Its Own Decisions](https://patentbrief.org/patent/us/10824959/explainers-for-machine-learning-classifiers) — granted 2020
  A system that helps complex machine learning models explain why they made a specific decision by turning their data into simple, readable rules.
- [How Amazon Tracks Warehouse Workers' Hands Using Radio Waves](https://patentbrief.org/patent/us/9881277/amazon-robotics-kiva-systems) — granted 2018
  A system that uses radio frequency signals to track the exact 3D position of a warehouse worker's hand to ensure they pick or place items in the correct bins.
- [How CDNs Use Client-Side Code to Speed Up Web Downloads](https://patentbrief.org/patent/us/9544394/aws-cloudtrail) — granted 2017
  Amazon's patent on using client-side code like JavaScript to dynamically rewrite website links so they point directly to the fastest content delivery server, bypassing traditional DNS routing bottlenecks.
- [How Software Automatically Translates Database Queries for Different Storage Systems](https://patentbrief.org/patent/us/9535948/facebook-watch) — granted 2017
  A system that intercepts database queries written for traditional relational databases and automatically translates them to work with non-relational databases, allowing developers to switch storage systems without rewriting their application code.
- [How Amazon Delivers Content Faster Using Local Servers](https://patentbrief.org/patent/us/9332078/facebook-memories) — granted 2016
  Amazon's 2016 patent describes a system for breaking down digital content into smaller pieces and storing them on servers located near users to speed up downloads and reduce network traffic.
- [How Databases Keep Read-Only Copies Up-to-Date](https://patentbrief.org/patent/us/9280591/amazon-emr-elastic-mapreduce) — granted 2016
  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 accurate data.
- [How Servers Prepare Web Pages for You to Read Offline](https://patentbrief.org/patent/us/8972477/amazon-aurora-database) — granted 2015
  A method for a remote server to process a website in two different ways simultaneously: one for live viewing and one optimized for later offline access.
- [How Amazon Optimizes Where to Store Products to Avoid Stockouts](https://patentbrief.org/patent/us/8732039/amazon-subscribe-save) — granted 2014
  A mathematical method for deciding how many items to stock in different warehouses to minimize the cost of running out of products.
- [How Cloud Storage Providers Automatically Connect Files to Content Delivery Networks](https://patentbrief.org/patent/us/8495220/amazon-cloudfront-streaming) — granted 2013
  A system where a cloud storage provider detects when a website's files need faster delivery and automatically handles the setup with a Content Delivery Network (CDN) for the user.
- [How Amazon Created a Marketplace for Recommendation Algorithms](https://patentbrief.org/patent/us/8249948/facebook-like-button) — granted 2012
  A system that lets website owners rent recommendation algorithms from third-party developers, with a built-in payment structure that rewards developers based on how well their algorithms perform.
- [How Cloud Storage Providers Automatically Connect Files to Content Delivery Networks](https://patentbrief.org/patent/us/8060616/amazon-s3-simple-storage-service) — granted 2011
  A system that lets website owners use a single button in their storage dashboard to automatically distribute their files across a global network of servers for faster loading.
- [How Amazon Optimizes Website Loading Speeds by Managing Domain Requests](https://patentbrief.org/patent/us/7930393/amazon-cloudfront-cdn) — granted 2011
  A system that tests different ways to distribute website resources across multiple domains to find the fastest way to load a webpage for users.
- [How to Buy Digital Media Once and Get Multiple Formats](https://patentbrief.org/patent/us/7877330/kindle-e-reader) — granted 2011
  A system that lets you pay for a digital file once and download it in different formats from various providers without paying again.

**Full profile:** https://patentbrief.org/company/amazon-technologies-inc

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_Source: PatentBrief — https://patentbrief.org. Plain-English explanations of US patents._