Growing community of inventors

Sanoma, CA, United States of America

Richard F Sandifer, Jr

Average Co-Inventor Count = 10.00

ph-index = 2

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 = 16

Richard F Sandifer, Jr ↔ Kenneth E Hoffman (2 patents)Richard F Sandifer, Jr ↔ William J Steelman (2 patents)Richard F Sandifer, Jr ↔ Kermit B Pethtel, Jr (2 patents)Richard F Sandifer, Jr ↔ James P Brooks (2 patents)Richard F Sandifer, Jr ↔ Ross L Buck (2 patents)Richard F Sandifer, Jr ↔ John P Hackett (2 patents)Richard F Sandifer, Jr ↔ John F Robbins, Ii (2 patents)Richard F Sandifer, Jr ↔ Harold L Galloway (2 patents)Richard F Sandifer, Jr ↔ Peter K Weinrich (2 patents)Richard F Sandifer, JrRichard F Sandifer, Jr (2 patents)Kenneth E HoffmanKenneth E Hoffman (4 patents)William J SteelmanWilliam J Steelman (3 patents)Kermit B Pethtel, JrKermit B Pethtel, Jr (3 patents)James P BrooksJames P Brooks (3 patents)Ross L BuckRoss L Buck (3 patents)John P HackettJohn P Hackett (3 patents)John F Robbins, IiJohn F Robbins, Ii (3 patents)Harold L GallowayHarold L Galloway (2 patents)Peter K WeinrichPeter K Weinrich (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ingalls Shipbuilding, Inc. (2 from 8 patents)


2 patents:

1. D522440 - Multi-function corvette

2. D465189 - High performance multi-purpose frigate

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as of
12/18/2025
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