Severn Trent has a total of 233 patents globally, out of which 124 have been granted. Of these 233 patents, more than 12% patents are active. United States of America is where Severn Trent has filed the maximum number of patents, followed by United Kingdom and Europe. Parallelly, United Kingdom seems to be the main focused R&D centre and also is the origin country of Severn Trent.
Severn Trent was founded in the year 1974. The Company supplies water, waste and utility services throughout the United Kingdom, Europe and the United States. The Company offers a range of water purification, sewage treatment and disposal and recycling services. Severn Trent also provides utility companies with a range of information technology and software solutions, as well as engineering consultancy services.
Do read about some of the most popular patents of Severn Trent which have been covered by us in this article and also you can find Severn Trent patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Severn Trent patent portfolio.
How many patents does the CEO of Severn Trent have?
The CEO Liv Garfield has 0 patent.
How many patents does Severn Trent have?
Severn Trent has a total of 233 patents globally. These patents belong to 78 unique patent families. Out of 233 patents, 28 patents are active.
How Many Patents did Severn Trent File Every Year?
Are you wondering why there is a drop in patent filing for the last two years? It is because a patent application can take up to 18 months to get published. Certainly, it doesn’t suggest a decrease in the patent filing.
| Year of Patents Filing or Grant | Severn Trent Applications Filed | Severn Trent Patents Granted |
| 2022 | – | 2 |
| 2021 | – | 1 |
| 2020 | – | 2 |
| 2019 | – | 2 |
| 2018 | 7 | – |
| 2017 | 2 | 1 |
| 2016 | 3 | 2 |
| 2015 | – | 2 |
| 2014 | 7 | 5 |
| 2013 | 5 | 3 |
| 2012 | 1 | 8 |
| 2011 | 11 | 9 |
How many Severn Trent patents are Alive/Dead?
How Many Patents did Severn Trent File in Different Countries?
Countries in which Severn Trent Filed Patents
| Country | Patents |
| United States Of America | 37 |
| United Kingdom | 30 |
| Europe | 27 |
| Australia | 13 |
| Austria | 10 |
| Germany | 9 |
| Canada | 9 |
| Japan | 9 |
| China | 8 |
| Spain | 7 |
| Mexico | 6 |
| Portugal | 5 |
| Hong Kong (S.A.R.) | 5 |
| Korea (South) | 5 |
| Poland | 3 |
| Malaysia | 3 |
| India | 3 |
| Norway | 3 |
| New Zealand | 2 |
| Denmark | 2 |
| Czech Republic | 2 |
| Brazil | 2 |
| South Africa | 2 |
| Gulf Cooperation Council | 1 |
| Taiwan | 1 |
| Turkey | 1 |
| Ireland | 1 |
| Chile | 1 |
| Russia | 1 |
| Egypt | 1 |
| Saudi Arabia | 1 |
| Indonesia | 1 |
Where are Research Centres of Severn Trent Patents Located?
10 Best Severn Trent Patents
WO2011021039A1 is the most popular patent in the Severn Trent portfolio. It has received 43 citations so far from companies like Mueller International, Nec Corporation and IBM.
Below is the list of 10 most cited patents of Severn Trent:
| Publication Number | Citation Count |
| WO2011021039A1 | 43 |
| US6610990B1 | 41 |
| US7081636B2 | 38 |
| US6811710B2 | 34 |
| US7153434B1 | 25 |
| US20120024784A1 | 25 |
| US6818124B1 | 22 |
| US6477855B1 | 19 |
| US20070007146A1 | 18 |
| USD616941S1 | 16 |
How many inventions of other companies were rejected due to Severn Trent patents?
The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Severn Trent invention. They couldn’t because Severn Trent had protected those before them.
Examiners at the USPTO referred 22 Severn Trent patents in 91 rejections (35 USC § 102 or 35 USC § 103 types).
The top citing companies in the Severn Trent patent portfolio are Bluemorph, Precision Laboratories and Nec Corp.
List of the Companies whose Patents were rejected citing Severn Trent –
| Company | Number of Patent Applications that faced Rejection Citing Severn Trent Patents | Number of Rejections (102 & 103) |
| Bluemorph | 3 | 5 |
| Precision Laboratories | 2 | 2 |
| Nec Corp | 2 | 3 |
| Atlantium Technologies | 2 | 2 |
| Techwin | 2 | 3 |
| Ugsi Solutions | 2 | 2 |
| Siemens | 1 | 11 |
| Nomura Micro Science | 1 | 1 |
| Toshiba | 1 | 1 |
| Airbus | 1 | 2 |
Count of 102 and 103 Type Rejections based on Severn Trent Patents
Top Severn Trent Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US7081636B2 | 9 |
| US8717183B2 | 6 |
| US6811710B2 | 4 |
| US20060185517A1 | 3 |
| US7615160B2 | 3 |
| US20120024784A1 | 3 |
| US6461525B2 | 3 |
| US6627450B1 | 3 |
| US7204157B2 | 2 |
| US20020121478A1 | 2 |
| US7306693B2 | 2 |
| US6610990B1 | 2 |
| US20080017586A1 | 2 |
| US20050180879A1 | 1 |
| US8269190B2 | 1 |