Growing community of inventors

Spring, TX, United States of America

Robert Birchak

Average Co-Inventor Count = 7.00

ph-index = 1

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 = 4

Robert Birchak ↔ Thomas E Ritter (1 patent)Robert Birchak ↔ Diederik W Van Batenburg (1 patent)Robert Birchak ↔ William F Trainor (1 patent)Robert Birchak ↔ Wei Han (1 patent)Robert Birchak ↔ Kwang M Yoo (1 patent)Robert Birchak ↔ Dan Kusmer (1 patent)Robert BirchakRobert Birchak (1 patent)Thomas E RitterThomas E Ritter (21 patents)Diederik W Van BatenburgDiederik W Van Batenburg (18 patents)William F TrainorWilliam F Trainor (16 patents)Wei HanWei Han (16 patents)Kwang M YooKwang M Yoo (9 patents)Dan KusmerDan Kusmer (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Halliburton Energy Services, Inc. (1 from 11,795 patents)


1 patent:

1. 7591343 - Apparatuses for generating acoustic waves

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as of
12/29/2025
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