Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Subsoil drainage system

Subsoil drainage system

US Patent 8104994 · Granted Jan 31, 2012

Assignee

No assignee recorded.

Inventors

Unknown

View full patent text on Google Patents →

More Patents by These Inventors

Internal connector for modular fluid treatment system2022

Flared modular drainage system with improved surface area2017

Adaptable modular subsoil drainage system2014

Subterranean fluid distribution and drainage system2003

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly