David Pfitzner — 10 Patents at Level 3 Communications

David Pfitzner has been granted 10 US patents while listed as an inventor at Level 3 Communications. The first was granted in 2010 and the most recent in July 2025. David Pfitzner ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list David Pfitzner in Sydney, CA, AU.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12373326	Systems and methods for optimizing hard drive throughput	—	2025-07-29
11899558	Systems and methods for optimizing hard drive throughput	—	2024-02-13	$1,089,748,000
11223675	Hash data structure biasing	Jeffrey Davis, Andrew J. Berglund	2022-01-11	$520,377,000
10911531	Multi-tiered server network	Paul Ernest Stolorz, John K. Salmon, Michael S. Warren, Jeffrey G. Koller, Aric Hagberg +3 more	2021-02-02
10609132	Hash data structure biasing	Jeffrey Davis, Andrew J. Berglund	2020-03-31	$691,668,000
10116738	Detecting anomalous conditions in a name server network	Paul Ernest Stolorz, John K. Salmon, Michael S. Warren, Jeffrey G. Koller, Aric Hagberg +3 more	2018-10-30
9203636	Distributing requests across multiple content delivery networks based on subscriber policy	Paul Ernest Stolorz, John K. Salmon, Michael S. Warren, Jeffrey G. Koller, Aric Hagberg +3 more	2015-12-01	$43,906,000
8645517	Policy-based content delivery network selection	Paul Ernest Stolorz, John K. Salmon, Michael S. Warren, Jeffrey G. Koller, Maksim Yevmenkin +3 more	2014-02-04	$67,478,000
7860964	Policy-based content delivery network selection	Mark Brady, Maksim Yevmenkin, Paul Ernest Stolorz, John K. Salmon, Michael S. Warren +3 more	2010-12-28	$21,493,000
7822871	Configurable adaptive global traffic control and management	Paul Ernest Stolorz, John K. Salmon, Michael S. Warren, Jeffrey G. Koller, Aric Hagberg +3 more	2010-10-26	$20,121,000

David Pfitzner — 10 Patents

Issued Patents All Time

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