Growing community of inventors

La Grange Park, IL, United States of America

Norman A Steinkamp

Average Co-Inventor Count = 1.35

ph-index = 10

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 = 243

Norman A SteinkampBernard B Bluestein (5 patents)Norman A SteinkampRobert O Ernest (3 patents)Norman A SteinkampRichard K Thomas (2 patents)Norman A SteinkampKurt J Sonnentag (2 patents)Norman A SteinkampDennis N Burmeister (1 patent)Norman A SteinkampNorman A Steinkamp (21 patents)Bernard B BluesteinBernard B Bluestein (17 patents)Robert O ErnestRobert O Ernest (20 patents)Richard K ThomasRichard K Thomas (20 patents)Kurt J SonnentagKurt J Sonnentag (2 patents)Dennis N BurmeisterDennis N Burmeister (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sunbeam Corporation Limited (14 from 278 patents)

2. John Zink Company, LLC (6 from 203 patents)


21 patents:

1. D320138 - Combined liquid heater and dispenser for beverages or the like

2. D303749 - Microwave oven

3. D295490 - Combination handle and leg for a frying pan

4. D293610 - Curling iron

5. D291766 - Coffeemaker

6. D291647 - Hand mixer housing

7. D290889 - Steam iron

8. D290215 - Coffeemaker

9. D288403 - Can opener

10. D287690 - Liquid heater and dispenser for beverages or the like

11. 4630532 - Coffeemaker

12. D284799 - Travel iron

13. D274113 - Sandwich maker

14. D267673 - Pressing iron

15. D267538 - Food processor

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as of
1/22/2026
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