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The 100 known most prolific inventors based on worldwide utility patents are shown in the following table. While in many cases this is the number of utility patents granted by the United States Patent and Trademark Office, it may include utility patents granted by other countries, as noted by the source references for an inventor.
Nikola Tesla was an inventor who obtained around 300 patents [1] worldwide for his inventions. Some of Tesla's patents are not accounted for, and various sources have discovered some that have lain hidden in patent archives. There are a minimum of 278 patents [1] issued to Tesla in 26 countries
Here are the top 40 companies by number of patents applied for in 2015: 1. Samsung – 2487. 2. International Business Machines Corporation – 1764. 3. Kabushiki Kaisha Toshiba – 989. 4. LG ...
Business method patent – includes patents on new types of e-commerce; and on methods of doing business in insurance, banking, tax compliance, etc. A business method may be defined as "a method of operating any aspect of an economic enterprise". [2] Tax patent – discloses and claims a system or method for reducing or deferring taxes. In ...
This is a list of software patents, which contains notable patents and patent applications involving computer programs (also known as a software patent). Software patents cover a wide range of topics and there is therefore important debate about whether such subject-matter should be excluded from patent protection. [ 1 ]
The X distinguishes the patents from those issued after the fire, which began again with patent number 1. Each year, the PTO issues over 150,000 patents to companies and individuals worldwide. As of December 2011, the PTO had granted 8,743,423 patents and received 16,020,302 applications. [63]
List of software patents; List of steam technology patents; T. List of Nikola Tesla patents This page was last edited on 25 November 2006, at 17:46 (UTC). ...
A 2023 study by Rochester Institute of Technology found the full term maintenance rate of issued US patents has been fairly constant (40-50%) since 1992. Full term patents have more issued claims and receive on average more citations than earlier expired patents. [96] The European Patent Office charges annual fees for pending applications.