Lydall Patents – Insights & Stats (Updated 2023)

Lydall has a total of 337 patents globally, out of which 170 have been granted. Of these 337 patents, more than 27% patents are active. The USA is where Lydall has filed the maximum number of patents, followed by Europe (EPO) and Germany. Parallelly, the USA seems to be the main focused R&D centre of Lydall and is also the origin country of the firm.

Lydall was founded in the year 1913 by Henry Lydall. The company designs and manufactures specialty engineered filtration media, industrial thermal insulating solutions.

Do read about some of the most popular patents of Lydall which have been covered by us in this article and also you can find Lydall patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Lydall patent portfolio.

How many patents does Lydall have?

Lydall has a total of 337 patents globally. These patents belong to 111 unique patent families. Out of 337 patents, 91 patents are active.

How Many Patents did Lydall File Every Year?

Lydall Patent Filing Trend

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 GrantLydall Applications FiledLydall Patents Granted
202259
202139
20203
201965
2018242
201746
20163810
2015128
2014197
2013819
2012178
201116

How many Lydall patents are Alive/Dead?

Worldwide Patents

Lydall Patent Portfolio

How Many Patents did Lydall File in Different Countries?

Lydall Worldwide Patent Filing

List of Countries in which Lydall Filed Patents

CountryPatents
United States Of America64
Europe42
Germany31
Japan26
Korea (South)19
China18
Austria15
Mexico15
Canada14
Australia10
Spain7
Brazil6
Poland4
Czech Republic4
Slovakia4
Denmark3
India3
Portugal2
Italy2
Taiwan1
Hungary1
Croatia1
Serbia1
Netherlands1
Ireland1

Where are Research Centres of Lydall Patents Located?

R&D Centres of Lydall

10 Best Lydall Patents

US6579350B2 is the most popular patent in the Lydall portfolio. It has received 80 citations so far from companies like Illinois Tool Works and 3M Innovative Properties Company.

Below is the list of 10 most cited patents of Lydall:

Publication NumberCitation Count
US6521077B180
US20060277877A177
US6521077B166
US20100230351A158
US20080280040A151
US6626439B140
US20080176050A134
WO2009013340A128
US8137436B226
USRE39260E126

What are Lydall‘s key innovation segments?

What Technologies are Covered by Lydall?

The chart below distributes patents filed by Lydall in different countries on the basis of the technology protected in patents. It also represents the markets where Lydall thinks it’s important to protect particular technology inventions.

R&D Focus: How has Lydall search focus changed over the years?

EXCLUSIVE INSIGHTS COMING SOON!

Interested in knowing about the areas of innovation that are being protected by Lydall?

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Our comprehensive report provides an in-depth look into the patent portfolio. The report includes a breakdown of the patent portfolio across various technologies, listing the patent along with brief summaries of each patent's technology.