Growing community of inventors

The Woodlands, TX, United States of America

Steven R Umbach

Average Co-Inventor Count = 3.00

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 = 29

Steven R UmbachMichael D Luyckx (3 patents)Steven R UmbachKenneth L Roberts (3 patents)Steven R UmbachSteven R Umbach (3 patents)Michael D LuyckxMichael D Luyckx (41 patents)Kenneth L RobertsKenneth L Roberts (21 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Bissell Homecare, Inc. (3 from 587 patents)


3 patents:

1. 6070288 - Storage bag for vacuum cleaner accessories and the like

2. D425271 - Upright vacuum cleaner base portion

3. D422388 - Upright vacuum cleaner upper portion

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idiyas.com
as of
1/5/2026
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