Inventor

HSIEH RICHARD

US4 patents

⚠️ This page may combine multiple inventors who share the name “HSIEH RICHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LEOPOLD CO INC F B

1 patent

US5489388AFeb 6, 1996

Apparatus and method for improving gas backwash in lateral underdrains

LEOPOLD CO INC F B48 citations94

F B LEOPOLD COMPANY

1 patent

US5639384AJun 17, 1997

Apparatus and method for improving gas backwash in lateral underdrains

F B LEOPOLD COMPANY73 citations91

(unassigned)

1 patent

US6164349ADec 26, 2000

Machine for cutting plates from timber

38 citations87

ZOOX INC

1 patent

US12565199B2Mar 3, 2026

Systems and methods for rapid deceleration

ZOOX INC0 citations45