Growing community of inventors

Pittsburgh, PA, United States of America

Donald H Landis

Average Co-Inventor Count = 1.43

ph-index = 5

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 147

Donald H LandisDavid F Landis (2 patents)Donald H LandisThomas G Ryan (1 patent)Donald H LandisDonald H Landis (5 patents)David F LandisDavid F Landis (11 patents)Thomas G RyanThomas G Ryan (28 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Epic Metals Corporation (3 from 42 patents)

2. Other (2 from 832,718 patents)


5 patents:

1. 7418807 - Decking

2. 5491946 - Wide decking structure

3. 5205098 - Long-span decking panel

4. 4685264 - Concrete slab-beam form system for composite metal deck concrete

5. 4507900 - Electrical distribution for metal deck construction

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as of
12/16/2025
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