Growing community of inventors

Greenville, OH, United States of America

Walter F Ruhl

Average Co-Inventor Count = 2.61

ph-index = 4

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 = 91

Walter F RuhlRobert R Yeager (2 patents)Walter F RuhlJames M Weaver (2 patents)Walter F RuhlJeffrey A Steed (2 patents)Walter F RuhlAlbert W Nelson (1 patent)Walter F RuhlJesse J Lucy (1 patent)Walter F RuhlGerald N Marshall (1 patent)Walter F RuhlWalter F Ruhl (5 patents)Robert R YeagerRobert R Yeager (6 patents)James M WeaverJames M Weaver (4 patents)Jeffrey A SteedJeffrey A Steed (2 patents)Albert W NelsonAlbert W Nelson (1 patent)Jesse J LucyJesse J Lucy (1 patent)Gerald N MarshallGerald N Marshall (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Lambert Corporation (5 from 13 patents)


5 patents:

1. D304103 - Vacuum-blower unit

2. 4796322 - Rear dumping lawn sweeper with folding wind apron

3. 4133389 - Hand-held power driven cultivator

4. D248654 - Cultivator

5. 3968938 - System for handling debris

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as of
1/10/2026
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