Delavan Patents – Insights & Stats (Updated 2023)

Delavan has a total of 550 patents globally, out of which 323 have been granted. Of these 550 patents, more than 47% patents are active. The Germany is where Delavan has filed the maximum number of patents, followed by Europe and Austria. Parallelly, The United States of America seems to be the main focused R&D center and also England is the origin country of Delavan.

Delavan was founded in 1963. The company’s line of business includes manufacturing aircraft engines and engine parts.

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

How many patents does Delavan have?

Delavan has a total of 550 patents globally. These patents belong to 257 unique patent families. Out of 550 patents, 261 patents are active.

How Many Patents did Delavan File Every Year?

Delavan 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 Grant Delavan Applications Filed Delavan Patents Granted
2023 1 5
2022 7 20
2021 2 38
2020 13 71
2019 27 38
2018 50 29
2017 51 16
2016 91 13
2015 24 3
2014 41 8
2013 23 16
2012 25 20


How many Delavan patents are Alive/Dead?

Worldwide Patents Delavan Patent Portfolio

How Many Patents did Delavan File in Different Countries?

Delavan Worldwide Patent Filing

Countries in which Delavan Filed Patents

Country Patents
Germany 119
Europe 108
Austria 99
United States Of America 91
United Kingdom 57
Japan 29
France 14
Australia 7
Canada 4
New Zealand 3
Mexico 2
Israel 2
India 2
China 1
Spain 1
Korea (South) 1
Denmark 1
Sweden 1

Where are Research Centers of Delavan Patents Located?

R&D Centers of Delavan

 10 Best Delavan Patents

US6755024B1 is the most popular patent in the Delavan portfolio. It has received 176 citations so far from companies like Dial Discoveries Llc, Pratt & Whitney Canada Corp and Alstom Technology Ltd.

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

Publication Number Citation Count
US6755024B1 176
US6688534B2 105
US20110247590A1 59
US6539724B2 51
US6630244B1 48
US6863228B2 46
US20090255258A1 36
US20090077945A1 35
WO2009039142A2 28
US20070251663A1 25

How many inventions of other companies were rejected due to Delavan patents?

The statistics below share strategic R&D insights. It tells the companies that were trying to protect inventions similar to Delavan invention. They couldn’t because Delavan had protected those before them. Examiners at the USPTO referred 32 Delavan patents in 167 rejections (35 USC § 102 or 35 USC § 103 types). The top citing companies in the Delavan patent portfolio are General Electric, Raytheon Technologies Corporation and Collins Engine Nozzles. List of the Companies whose Patents were rejected citing Delavan –

Company Number of Patent Applications that faced Rejection Citing Delavan Patents Number of Rejections (102 & 103)
General Electric 13 29
Raytheon Technologies Corporation 10 20
Collins Engine Nozzles 9 21
Siemens Energy 4 9
Utc Aerospace Systems 3 4
Rolls-Royce Deutschland 2 2
Rtx Corp 2 4
Rsm Electron Power 2 6
Ansaldo Energia 2 6
Applied Materials 2 3

Count of 102 and 103 Type Rejections based on Delavan Patents

Top Delavan Patents used in Rejecting Most Patent Applications

Patent Number Count of Rejected Applications
US6755024B1 13
US20110247590A1 8
US7766251B2 5
US10207325B2 5
US8074895B2 4
US20090077945A1 4
US20080217435A1 4
US20090255258A1 4
US6630244B1 3
US20070251663A1 3
US6863228B2 3
US6688534B2 3
US7043922B2 3
US7621132B2 2
US20140367494A1 2

What Percentage of Delavan US Patent Applications were Granted?

Delavan (Excluding its subsidiaries) has filed 44 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 38 have been granted leading to a grant rate of 90.48%. Below are the key stats of Delavan patent prosecution at the USPTO.

Which Law Firms Filed Most US Patents for Delavan?

Law Firm Total Applications Success Rate
Locke Lord 14 91.67%
Barnes & Thornburg 6 100.00%
Cummings & Lockwood 3 100.00%
Holland & Hart 1 100.00%
Edwards & Angell 2 50.00%
Allegretti Newitt Witcoff & Mc 1 100.00%
Howard S Reiter 1 100.00%
Daniel J Schlue 1 100.00%
Exxonmobil Technology And Engineering Company 1 0.00%
Gordon G Waggett 1 100.00%

What are Delavan key innovation segments?

What Technologies are Covered by Delavan?

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

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


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

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