Growing community of inventors

Spring, TX, United States of America

Christopher P Keene

Average Co-Inventor Count = 9.00

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 = 9

Christopher P KeeneLisa Ellis Schwartz (5 patents)Christopher P KeeneSarah Brooke Severson (5 patents)Christopher P KeeneChristopher Charles Ogburn (5 patents)Christopher P KeenePhillip Neil Beyer (5 patents)Christopher P KeeneJohn Dale Hegstrom (5 patents)Christopher P KeeneRonald Bryan Sweet (5 patents)Christopher P KeeneDouglas Irby Ward (5 patents)Christopher P KeeneRobert J Schaffer, Iii (5 patents)Christopher P KeeneChristopher P Keene (5 patents)Lisa Ellis SchwartzLisa Ellis Schwartz (7 patents)Sarah Brooke SeversonSarah Brooke Severson (7 patents)Christopher Charles OgburnChristopher Charles Ogburn (6 patents)Phillip Neil BeyerPhillip Neil Beyer (5 patents)John Dale HegstromJohn Dale Hegstrom (5 patents)Ronald Bryan SweetRonald Bryan Sweet (5 patents)Douglas Irby WardDouglas Irby Ward (5 patents)Robert J Schaffer, IiiRobert J Schaffer, Iii (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. United Services Automobile Association (usaa) (5 from 3,185 patents)


5 patents:

1. 8595117 - Single premium immediate annuity with adjustable payment

2. 8239311 - Single premium immediate annuity with adjustable payment

3. 7991676 - Single premium immediate annuity with adjustable payment

4. 7783550 - Single premium immediate annuity with adjustable payment

5. 7725378 - Single premium immediate annuity with adjustable payment

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idiyas.com
as of
12/20/2025
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