Growing community of inventors

Sarasota, FL, United States of America

Donald A Zirkelbach

Average Co-Inventor Count = 2.82

ph-index = 8

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 = 166

Donald A ZirkelbachAlbert W Zirkelbach (6 patents)Donald A ZirkelbachAlan P Zirkelbach (5 patents)Donald A ZirkelbachRobert R Shearer (4 patents)Donald A ZirkelbachCharles Robert Withers (4 patents)Donald A ZirkelbachDennis J Parniske (3 patents)Donald A ZirkelbachDaniel James Serafini (1 patent)Donald A ZirkelbachDonald A Zirkelbach (12 patents)Albert W ZirkelbachAlbert W Zirkelbach (7 patents)Alan P ZirkelbachAlan P Zirkelbach (5 patents)Robert R ShearerRobert R Shearer (32 patents)Charles Robert WithersCharles Robert Withers (5 patents)Dennis J ParniskeDennis J Parniske (16 patents)Daniel James SerafiniDaniel James Serafini (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Aldon Industries, Inc. (6 from 11 patents)

2. Taylor Made Group, LLC (5 from 98 patents)

3. Taylor Made Systems Bradenton, Inc. (1 from 1 patent)


12 patents:

1. 11655836 - Quick disconnect mount

2. 11378114 - Quick disconnect mount

3. 10167058 - Retractable roof

4. 9718517 - Ratchet playpen cover for a pontoon boat

5. 8875646 - Mooring/shipping cover

6. 6026761 - Canopy mounting system

7. 5622136 - Boat canopy mounting system

8. 5425327 - Boat canopy mounting system

9. 5303667 - Boat camper system and method

10. 5189980 - Rounded top header extrusion for boat windshields

11. D324368 - Rounded top header extrusion for boat windshields

12. 4993351 - Rounded top header extrusion for boat windshields

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as of
12/17/2025
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