EnerSys has a total of 3160 patents globally, out of which 1799 have been granted. Of these 3160 patents, more than 16% patents are active. Germany is where EnerSys has filed the maximum number of patents, followed by United States Of America. Parallelly, Germany seems to be the main focused R&D centre of EnerSys.
EnerSys was founded in the year 1996. The Company is a global leader in stored energy solutions for industrial applications. And it manufactures and distribute reserve power and motive power batteries, battery chargers, power equipment, battery accessories and outdoor equipment enclosure solutions to customers worldwide.
Do read about some of the most popular patents of EnerSys which have been covered by us in this article and also you can find EnerSys patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over EnerSys patent portfolio.
How many patents does EnerSys have?
EnerSys has a total of 3160 patents globally. These patents belong to 1384 unique patent families. Out of 3160 patents, 514 patents are active.
How Many Patents did EnerSys 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 | EnerSys Applications Filed | EnerSys Patents Granted |
| 2023 | – | 1 |
| 2022 | 5 | 19 |
| 2021 | 12 | 14 |
| 2020 | 17 | 23 |
| 2019 | 18 | 19 |
| 2018 | 123 | 20 |
| 2017 | 12 | 17 |
| 2016 | 19 | 40 |
| 2015 | 21 | 46 |
| 2014 | 48 | 58 |
| 2013 | 87 | 63 |
| 2012 | 163 | 84 |
How many EnerSys patents are Alive/Dead?
How Many Patents did EnerSys File in Different Countries?
Countries in which EnerSys File Patents
| Countries | No. of Patents |
| Germany | 654 |
| United States Of America | 491 |
| Europe | 486 |
| Austria | 146 |
| Spain | 106 |
| Canada | 90 |
| Japan | 90 |
| Korea (South) | 78 |
| China | 77 |
| Australia | 76 |
| India | 70 |
| United Kingdom | 54 |
| Brazil | 47 |
| Russia | 32 |
| France | 28 |
| Italy | 18 |
| Poland | 15 |
| Norway | 12 |
| Singapore | 9 |
| South Africa | 8 |
| Denmark | 7 |
| Mexico | 6 |
| Portugal | 6 |
| Sweden | 4 |
| Hong Kong (S.A.R.) | 4 |
| Czech Republic | 2 |
| Hungary | 2 |
| Turkey | 2 |
| Ukraine | 2 |
| Taiwan | 1 |
| Eurasia | 1 |
| Indonesia | 1 |
| Chile | 1 |
| Africa | 1 |
| Slovenia | 1 |
| New Zealand | 1 |
| Belgium | 1 |
Where are Research Centres of EnerSys Patents Located?
10 Best EnerSys Patents
US6553263B1 is the most popular patent in the EnerSys portfolio. It has received 944 citations so far from companies like Medtronic, IBM.
Below is the list of 10 most cited patents of EnerSys:
| Publication Number | Citation Count |
| US6553263B1 | 944 |
| US7003353B1 | 146 |
| US7184836B1 | 132 |
| US7177691B2 | 132 |
| US6894456B2 | 130 |
| US20100028758A1 | 120 |
| US7248929B2 | 119 |
| US20060035147A1 | 117 |
| US6553263B1 | 110 |
| US7003353B1 | 109 |