Growing community of inventors

East Earl, PA, United States of America

Albert J Ipnar

Average Co-Inventor Count = 2.00

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 = 12

Albert J IpnarWarren H Brackbill (1 patent)Albert J IpnarWilliam F Ostergren (1 patent)Albert J IpnarAlbert J Ipnar (2 patents)Warren H BrackbillWarren H Brackbill (7 patents)William F OstergrenWilliam F Ostergren (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sperry Corporation (1 from 1,032 patents)

2. Sperry Rand Corporation (1 from 628 patents)


2 patents:

1. 4451004 - Flail head

2. 4026476 - Spreading and distributing mechanism for a manure spreader

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as of
12/18/2025
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