John Howard Fischer

Address:

20073 Santa Maria Ave, Castro Valley, CA 94546

Phone:

(415)4255578

VIN:

JTDZN3EU1C3093362

Make:

TOYOTA

Model:

PRIUS V

Year:

2012

Address:

5939 Hidden Mist, San Antonio, TX 78250

VIN:

1FMYU02Z87KB08962

Make:

FORD

Model:

ESCAPE

Year:

2007

US Patent:

48828238, Nov 28, 1989

Filed:

Jan 27, 1988

Appl. No.:

7/149216

Inventors:

Edward D. Weisert - San Carlos CA
John R. Fischer - San Carlos CA
William L. McCauley - Dublin CA

Assignee:

Ontario Technologies Corp. - Menlo Park CA

International Classification:

B23K 3102

US Classification:

29 61

Abstract:

A method is set forth of forming a hollow structure having a varying mass distribution. Two sheets of a diffusion bondable and superplastic formable material are formed with one flat surface and an opposite surface contoured to have a selected mass distribution. A stop-off material is applied between selected non-peripheral portions of each of the flat surfaces whereat diffusion bonding is to be prevented and superplastic forming is to be required. An intermediate flat core sheet may also be present. The flat surfaces are positioned in abutting relation to each other or to the intermediate flat core sheet. The sheets are subjected to diffusion bonding conditions. The sheets are superplastically formed to expand them apart against a die. The invention also provides a method of preinflating contoured sheets prior to superplastically forming them to avoid truss core rupture. Hollow aircraft engine components are formed by the methods.

US Patent:

20210035771, Feb 4, 2021

Filed:

Jul 31, 2020

Appl. No.:

16/944979

Inventors:

- Pinole CA, US
John Fischer - Santa Clara CA, US
Alexander Park - Albany CA, US

International Classification:

H01J 37/20
H01J 37/28

Abstract:

A sample holder for electron microscopy of air-sensitive samples for use in electron microscopy incorporates a housing and a closure assembly. The closure assembly comprises a lid comprising at least one closure arm receiving portions recessed within a flat, planar upper surface thereof. The housing comprises one or more closure arm(s) corresponding to one or more closure arm receiving portion(s). In a fully closed position, the closure arm(s) share contact with the closure arm receiving portion(s). The lid is flexibly coupled to a motor cover plate which can be actuated by a motor assembly configured to open and close the lid. The sample holder also includes an elevator assembly with a vertically adjustable sample stage which sits below the lid. The sample stage is vertically adjusted by actuation of a bellows assembly which sits beneath the sample stage.