CentralNotice DEFLATE From Wikipedia, the free encyclopedia Jump to: navigation , search "Deflate" redirects here. For other uses, see Deflation (disambiguation) . This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed. (January 2009) In computing , deflate is a data compression algorithm that uses a combination of the LZ77 algorithm and Huffman coding . It was originally defined by Phil Katz for version 2 of his PKZIP archiving tool and was later specified in RFC 1951 . [ 1 ] The original algorithm as designed by Katz was patented as U.S. Patent 5,051,745 and assigned to PKWARE, Inc. . [ 2 ] [ 3 ] As stated in the RFC document, Deflate is widely thought to be implementable in a manner not covered by patents. [ 1 ] This has led to its...