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name:-0.0012938976287842
name:-0.015350818634033
name:-0.00055193901062012
Cooper; Roydon B. Patent Filings

Cooper; Roydon B.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Cooper; Roydon B..The latest application filed is for "barrier flange filter assembly including cover".

Company Profile
0.13.0
  • Cooper; Roydon B. - Locust Valley NY
  • Cooper; Roydon B. - New Port Richey FL
  • Cooper; Roydon B. - Lattingtown NY
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Barrier flange filter assembly including cover
Grant 5,006,235 - Cooper April 9, 1
1991-04-09
Filter assembly with removable sheet
Grant 4,826,597 - Silverwater , et al. May 2, 1
1989-05-02
Apparatus for assembly and dissassembly of a filter construction
Grant 4,465,595 - Cooper August 14, 1
1984-08-14
Filter assembly with jacked filter cannister
Grant 4,316,801 - Cooper February 23, 1
1982-02-23
Filter assembly with replaceable filter element
Grant RE30,779 - Cooper October 20, 1
1981-10-20
Filter assembly with replaceable filter element
Grant 4,133,763 - Cooper January 9, 1
1979-01-09
Pharmaceutical filter
Grant 4,126,559 - Cooper November 21, 1
1978-11-21
Hydrostat systems containing coaxial multidirectional flow control valves
Grant 4,009,572 - Cooper March 1, 1
1977-03-01
Dual coaxial bidirectional valves and filter assemblies and hydrostat systems containing the same
Grant 4,003,397 - Cooper January 18, 1
1977-01-18
Filter assemblies containing coaxial bidirectional flow control and relief valves
Grant 3,996,137 - Cooper December 7, 1
1976-12-07
Dual coaxial bidirectional valves and filter assemblies and hydrostat systems containing the same
Grant 3,985,652 - Cooper October 12, 1
1976-10-12
Coaxial bidirectional flow control and relief valves and hydrostat system containing the same
Grant 3,908,693 - Cooper September 30, 1
1975-09-30
Magnetic Pressure Indicator
Grant 3,815,542 - Cooper June 11, 1
1974-06-11

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