Growing community of inventors

Glenview, IL, United States of America

Richard Sylvan

Average Co-Inventor Count = 2.80

ph-index = 20

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 = 1,145

Richard SylvanMilton E Handler (34 patents)Richard SylvanHerbert Baisch (33 patents)Richard SylvanIrwin J Ferdinand (25 patents)Richard SylvanMichael Peterson (20 patents)Richard SylvanMarcus William Powell (3 patents)Richard SylvanJerry D Schimmelpfennig (3 patents)Richard SylvanDouglas James Spenner (3 patents)Richard SylvanMilton C Handler (2 patents)Richard SylvanMark Ferdinand (1 patent)Richard SylvanMichael Naranjo (1 patent)Richard SylvanRichard Sylvan (62 patents)Milton E HandlerMilton E Handler (43 patents)Herbert BaischHerbert Baisch (37 patents)Irwin J FerdinandIrwin J Ferdinand (29 patents)Michael PetersonMichael Peterson (23 patents)Marcus William PowellMarcus William Powell (8 patents)Jerry D SchimmelpfennigJerry D Schimmelpfennig (5 patents)Douglas James SpennerDouglas James Spenner (3 patents)Milton C HandlerMilton C Handler (2 patents)Mark FerdinandMark Ferdinand (1 patent)Michael NaranjoMichael Naranjo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hirsh Company (55 from 67 patents)

2. Lomont Molding, Inc. (3 from 12 patents)

3. G. Leblanc Corporation (1 from 16 patents)

4. Convenience Concepts, Inc. (1 from 5 patents)


62 patents:

1. D488709 - Storage hook

2. D484682 - Musical instrument case

3. D416631 - Reinforcing bar protection cap

4. D416630 - Reinforcing bar protection cap

5. 5884443 - Concrete reinforcing bar protective cover

6. D328397 - Collapsible and adjustable support stand

7. 5064156 - Adjustable height work support

8. D313143 - Shelving cover

9. D308609 - Wheeled multi-compartment receptacle

10. 4896778 - Elongate member connection to an end plate

11. D304528 - Garment rack

12. D301812 - Closet organizer

13. D300592 - End standard for a storage shelf

14. D299481 - Tool holder

15. D295001 - Stool

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as of
12/11/2025
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