Growing community of inventors

Baytown, TX, United States of America

James D Jeffrey

Average Co-Inventor Count = 4.80

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 = 53

James D JeffreyThomas B Boisture (2 patents)James D JeffreyLarry D McGrew (2 patents)James D JeffreyGene P Livingston (2 patents)James D JeffreyRobert A Baten (1 patent)James D JeffreyRobert G Wetzel (1 patent)James D JeffreyJames D Jeffrey (2 patents)Thomas B BoistureThomas B Boisture (16 patents)Larry D McGrewLarry D McGrew (2 patents)Gene P LivingstonGene P Livingston (2 patents)Robert A BatenRobert A Baten (9 patents)Robert G WetzelRobert G Wetzel (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,812 patents)

2. Ohmstede Mechanical Services, Inc. (1 from 8 patents)


2 patents:

1. 5018544 - Apparatus for cleaning heat exchanger tube bundles

2. 5002120 - Multi-lance tube cleaning system

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as of
12/19/2025
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