BW

Bernard J. Wallis

LD Livernois Research & Development: 2 patents #5 of 18Top 30%
📍 Dearborn, MI: #19 of 1,494 inventorsTop 2%
🗺 Michigan: #765 of 86,293 inventorsTop 1%
Overall (All Time): #46,369 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 1–25 of 55 patents

Patent #TitleCo-InventorsDate
5802944 Gas cylinder with internal time delay Sabatino A. Bianchi, Boice F. Horde 1998-09-08
5557959 Modular die transfer system Sabatino A. Bianchi 1996-09-24
5386975 Gas die cylinders 1995-02-07
5318281 Self contained gas spring and die cylinder 1994-06-07
5314172 High pressure die cylinder and manifold system 1994-05-24
5311802 Tube cut off machine 1994-05-17
5271151 Method of making a high pressure condenser 1993-12-21
5261262 Method and apparatus for cutting corrugated webs having louvers 1993-11-16
5243889 Tube cut off machine 1993-09-14
5235859 Control console for gas die cylinder systems 1993-08-17
5197718 Self-contained gas springs interchangeable with coil springs 1993-03-30
5193613 Heat exchanger header tube and method of making 1993-03-16
5172892 Self contained gas spring 1992-12-22
5170627 Gas cylinder control system 1992-12-15
5138861 Method and apparatus for cutting corrugated webs 1992-08-18
5088698 Sealing construction for a gas spring 1992-02-18
5069053 Method and apparatus for cutting corrugated webs 1991-12-03
5063801 Cut-off machine and method for tubing 1991-11-12
5014422 Method and apparatus for forming core assemblies 1991-05-14
5007817 Press with die cushion gas monitor 1991-04-16
5007270 Web handling apparatus for metal ribbon stock 1991-04-16
4971240 Method and apparatus for forming heat exchanger tubes 1990-11-20
4953378 Apparatus for cutting corrugated strip stock at variable lengths 1990-09-04
4939967 Cut-off machine 1990-07-10
4934230 Die stamping system 1990-06-19