Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Suction control chamber having a filter for use in chest drainage devices

Suction control chamber having a filter for use in chest drainage devices

US Patent 4923451 · Granted May 8, 1990

Estimated economic value: $24,231,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Attribute-based access control using a dynamic expression engine2023
Mapping and query service between object oriented programming objects and deep k2023
Attribute-based access control using a dynamic expression engine2021
Device tracking system2018
Device tracking system2017
Digital noise generator1987
Signal processing means acting as a frequency range translator and as a filter1984