Hayden Leason

Person

Humacao, PR, US

People

Patents Grantslast 30 patents

Information Patent Grant
Friction welding process and filter formed thereby
- Patent number 5,049,274
- Issue date Sep 17, 1991
- Filtertek, Inc.
- Hayden Leason
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Filter with filtration envelope spacing means
- Patent number 4,828,694
- Issue date May 9, 1989
- Filtertek, Inc.
- Hayden Leason
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Center flow check valve
- Patent number 4,749,003
- Issue date Jun 7, 1988
- Filtertek, Inc.
- Hayden Leason
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Low-profile inline filter
- Patent number 4,601,820
- Issue date Jul 22, 1986
- Filtertek, Inc.
- Hayden Leason
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process and apparatus for sealing a plurality of filter elements
- Patent number 4,414,172
- Issue date Nov 8, 1983
- Filtertek, Inc.
- Hayden L. Leason
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Low-profile inline filter
- Patent number 4,400,277
- Issue date Aug 23, 1983
- Filtertek, Inc.
- Hayden Leason
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for making hermetically sealed filter units and filters mad...
- Patent number 4,113,627
- Issue date Sep 12, 1978
- Filtertek, Inc.
- Hayden L. Leason
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Hayden Leason

Person

Patents Grantslast 30 patents

Friction welding process and filter formed thereby

Filter with filtration envelope spacing means

Center flow check valve

Low-profile inline filter

Process and apparatus for sealing a plurality of filter elements

Low-profile inline filter

Process for making hermetically sealed filter units and filters mad...