Growing community of inventors

Glen Ellyn, IL, United States of America

William R Hemrich

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 = 105

William R HemrichDonald N Jursich (1 patent)William R HemrichBernard B Bluestein (1 patent)William R HemrichGeorge C Crowley (1 patent)William R HemrichDouglas G Long (1 patent)William R HemrichRobert F Contri (1 patent)William R HemrichRobert T MacLagan (1 patent)William R HemrichRoger A Rieckman (1 patent)William R HemrichAlgerd C Churas (1 patent)William R HemrichNicholas A Shaw (1 patent)William R HemrichWilliam R Hemrich (5 patents)Donald N JursichDonald N Jursich (20 patents)Bernard B BluesteinBernard B Bluestein (17 patents)George C CrowleyGeorge C Crowley (10 patents)Douglas G LongDouglas G Long (8 patents)Robert F ContriRobert F Contri (3 patents)Robert T MacLaganRobert T MacLagan (1 patent)Roger A RieckmanRoger A Rieckman (1 patent)Algerd C ChurasAlgerd C Churas (1 patent)Nicholas A ShawNicholas A Shaw (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sunbeam Corporation Limited (3 from 278 patents)

2. John Zink Company, LLC (2 from 203 patents)


5 patents:

1. 4683369 - Hand held electric hair dryer

2. 4673798 - Dual temperature electric curling iron having a safety shut-off circuit

3. D277418 - Hair curler set

4. 4309595 - Hair dryer

5. 4021930 - Hair dryer

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as of
1/22/2026
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