Growing community of inventors

San Antonio, TX, United States of America

David M Lapychak

Average Co-Inventor Count = 4.00

ph-index = 3

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 = 40

David M Lapychak ↔ James D Alsup, Jr (3 patents)David M Lapychak ↔ James B Watson (2 patents)David M Lapychak ↔ Edwin G Gullet (2 patents)David M Lapychak ↔ Robert D Bruffey, Jr (1 patent)David M Lapychak ↔ William J Saunders (1 patent)David M LapychakDavid M Lapychak (3 patents)James D Alsup, JrJames D Alsup, Jr (14 patents)James B WatsonJames B Watson (38 patents)Edwin G GulletEdwin G Gullet (2 patents)Robert D Bruffey, JrRobert D Bruffey, Jr (1 patent)William J SaundersWilliam J Saunders (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Friedrich Air Conditioning & Refrigeration Co. (2 from 4 patents)

2. Freidrich Air Conditioning & Refrigeration Co. (1 from 1 patent)


3 patents:

1. D310411 - Room air conditioner grill

2. D310410 - Room air conditioner grill

3. D284305 - Room air conditioner grill

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as of
1/16/2026
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