Enviri has a total of 810 patents globally, out of which 477 have been granted. Of these 810 patents, more than 60% patents are active. United States of America is where Enviri has filed the maximum number of patents, followed by Europe (EPO) and Canada. Parallelly, United States of America seems to be the main focused R&D centre and also is the origin country of Enviri.
Enviri founded in 1853 and rebranded from Harsco to Enviri in 2023, Enviri Corporation is a global environmental services company headquartered in Philadelphia. Through its Clean Earth, Harsco Environmental, and Harsco Rail divisions, the company delivers waste processing, material recycling, steel byproduct repurposing, and railway maintenance solutions advancing circular economy practices and sustainable industrial operations worldwide.
Do read about some of the most popular patents of Enviri which have been covered by us in this article and also you can find Enviri patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Enviri patent portfolio.
How many patents does Enviri have?
Enviri has a total of 810 patents globally. These patents belong to 209 unique patent families. Out of 810 patents, 494 patents are active.
How Many Patents did Enviri 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 | Enviri Applications Filed | Enviri Patents Granted |
| 2026 | – | 2 |
| 2025 | 5 | 30 |
| 2024 | 16 | 31 |
| 2023 | 17 | 41 |
| 2022 | 22 | 42 |
| 2021 | 26 | 33 |
| 2020 | 41 | 47 |
| 2019 | 35 | 28 |
| 2018 | 57 | 43 |
| 2017 | 71 | 35 |
How many Enviri patents are Alive/Dead?
Worldwide Patents
How Many Patents did Enviri File in Different Countries?
Countries in which Enviri Filed Patents
| Country | Patents |
| United States of America | 174 |
| Europe (EPO) | 123 |
| Canada | 65 |
| Germany | 60 |
| China | 49 |
| Brazil | 37 |
| United Kingdom | 33 |
| Australia | 30 |
| Austria | 29 |
| India | 27 |
| Mexico | 16 |
| Japan | 15 |
| Spain | 12 |
| Italy | 10 |
| Russia | 8 |
| Poland | 6 |
| Korea (South) | 5 |
| Norway | 4 |
| Portugal | 3 |
| Hungary | 2 |
| Slovenia | 2 |
| Finland | 1 |
| Netherlands | 1 |
| Denmark | 1 |
| Taiwan | 1 |
| Malaysia | 1 |
| South Africa | 1 |
| Hong Kong (S.A.R.) | 1 |
Where are Research Centres of Enviri Patents Located?
10 Best Enviri Patents
US20120192756A1 is the most popular patent in the Enviri portfolio. It has received 123 citations so far from company like Herzog Railroad Services Inc, General Electric and Ensco Inc.
Below is the list of 10 most cited patents of Enviri:
| Publication Number | Citation Count |
| US20120192756A1 | 123 |
| US7624952B1 | 94 |
| US9221027B2 | 92 |
| US20110083578A1 | 51 |
| US8345948B2 | 30 |
| US10781140B2 | 28 |
| US8485103B2 | 28 |
| US8109474B2 | 24 |
| US20140071269A1 | 23 |
| US10668443B2 | 22 |
What Percentage of Enviri US Patent Applications were Granted?
Enviri (Excluding its subsidiaries) has filed 244 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 228 have been granted leading to a grant rate of 94.61%.
Below are the key stats of Enviri patent prosecution at the USPTO.
Which Law Firms are managing US Patents for Enviri?
| Law Firm | Total Applications | Success Rate |
| Historic Escm | 68 | 100.00% |
| Mcnees Wallace & Nurick Llc | 21 | 76.19% |
| Norton Rose Fulbright US Llp | 14 | 100.00% |
| Edward J Kondracki Esq | 9 | 92.86% |
| Baker & Mckenzie Llp | 8 | 50.00% |
| Bakerhostetler | 8 | 100.00% |
| Cook Alex Ltd | 8 | 100.00% |
| Kerkam Stowell Kondracki & Clarke Pc | 7 | 75.00% |
| A Thomas S Safford | 6 | 83.33% |
| Union Carbide Corp | 5 | 100.00% |
What are Enviri key innovation segments?
What Technologies are Covered by Enviri?
The chart below distributes patents filed by Enviri in different countries on the basis of the technology protected in patents. It also represents the markets where Enviri thinks it’s important to protect particular technological inventions.
R&D Focus: How has Enviri search focus changed over the years?
EXCLUSIVE INSIGHTS COMING SOON!
Interested in knowing about the areas of innovation that are being protected by Enviri?
