HH

Harold D. Hutchinson

HA Harwil: 13 patents #1 of 1Top 100%
📍 Malibu, CA: #46 of 447 inventorsTop 15%
🗺 California: #32,725 of 386,348 inventorsTop 9%
Overall (All Time): #259,340 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
D560591 Spot welded stainless steel aircraft firewall fire conduit 2008-01-29
D501442 Spot welded stainless steel aircraft firewall conduit 2005-02-01
D493412 Spot welded stainless steel aircraft firewall conduit 2004-07-27
D485161 Heavy cable crimping block 2004-01-13
6647204 Portable steam generating system 2003-11-11
D479970 Aircraft fuel cap opening tool 2003-09-30
6450088 Heat sealing apparatus for plastic bags 2002-09-17
6393212 Portable steam generating system 2002-05-21
6119590 Heat sealing apparatus for plastic bags 2000-09-19
5947019 Heat sealing apparatus for plastic bags 1999-09-07
5945608 Hall effect fluid flow switch and flow meter 1999-08-31
5939688 Fluid responsive switch pivot arm seal 1999-08-17
5932814 Photo detector bending beam flow switch and flow meter 1999-08-03
5847288 Photo detector bending beam flow switch and flow meter 1998-12-08
5826503 Heat sealing apparatus for plastic bags 1998-10-27
5767419 Hall effect fluid flow switch and flow meter 1998-06-16
5159305 Magnet responsive variable differential switching apparatus 1992-10-27
5021619 Flow responsive switch apparatus 1991-06-04