Patent search ap:("WILHELM GRONBACH") AND inv:"WILHELM GRONBACH" Page 1

1.

发明授权
Hinge with spring for counter-balance of flaps 失效
Title translation: 与弹簧铰链平衡襟翼

公开(公告)号：US3414933A

公开(公告)日：1968-12-10

申请号：US47484465

申请日：1965-07-26

Applicant: WILHELM GRONBACH

Inventor： WILHELM GRONBACH

IPC: E05D3/06 , E05D11/10 , E05F1/12

CPC classification number: E05F1/1261 , E05D3/06 , E05D11/1064 , E05Y2201/638 , E05Y2201/686 , E05Y2900/306 , Y10T16/53835

2.

发明授权
Spring-loaded hinge for balancing the weight of a wing, lid or the like 失效
Title translation: 弹簧铰链，用于平衡机翼，盖子等的重量

公开(公告)号：US3204287A

公开(公告)日：1965-09-07

申请号：US26862763

申请日：1963-03-28

Applicant: WILHELM GRONBACH

Inventor： WILHELM GRONBACH

IPC: E05F1/12

CPC classification number: E05F1/1261 , E05Y2201/638 , E05Y2900/306 , Y10T16/53833 , Y10T16/53835 , Y10T74/2158

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