Robert G. Houchens

📍 Park Lake, KY: #7 of 8 inventorsTop 90%

🗺 Kentucky: #2,672 of 11,577 inventorsTop 25%

Overall (All Time): #1,093,115 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
D1089345	Ship sluice	—	2025-08-19
D1089346	Castle sluice	—	2025-08-19
D872411	Barrel sluice	—	2020-01-07
10357778	Classifier and concentrator sluice apparatus	—	2019-07-23