Growing community of inventors

Grand Rapids, MI, United States of America

Harley E Luyk

Average Co-Inventor Count = 1.71

ph-index = 5

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 = 162

Harley E LuykChristine J Voigt (2 patents)Harley E LuykJean E Dahlgren (2 patents)Harley E LuykRobert K Boardman (2 patents)Harley E LuykGerald J Longnecker (1 patent)Harley E LuykDewey D Blocksma (1 patent)Harley E LuykHarley E Luyk (6 patents)Christine J VoigtChristine J Voigt (2 patents)Jean E DahlgrenJean E Dahlgren (2 patents)Robert K BoardmanRobert K Boardman (2 patents)Gerald J LongneckerGerald J Longnecker (1 patent)Dewey D BlocksmaDewey D Blocksma (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (2 from 832,912 patents)

2. The Worden Company (2 from 25 patents)

3. Northwest Metal Products, Inc. (1 from 1 patent)

4. L.h.l. Incorporated (1 from 1 patent)


6 patents:

1. 5353715 - Leg attachments for a height adjustable folding table

2. 5323713 - Locking mechanism for folding table legs

3. 4838181 - Table leg coupling assembly

4. 4783121 - Improved chair with convex upper backrest and forward seat surfaces

5. D291164 - Storage rack for books, tapes, records and the like

6. D289459 - Media transport cart

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as of
1/12/2026
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