公开(公告)号：CA2274184C

公开(公告)日：2003-06-03

申请号：CA2274184

申请日：1999-06-10

Applicant: STEWART ROBERT S

Inventor： STEWART ROBERT S

IPC: G01R11/02 ,  H02J3/38 ,  H02J9/06 ,  H02J9/04

Abstract: An interface circuit permits a customer who receives two-phase service fr om an electrical utility company to use power from an on-site source instead of or in addition to the utility company's power. Several embodiments are disclosed, in some of which the interface circuit automatically disconnects the utility company 's power lines if the utility's power is lost and connects the on-site power source. The interface circuit may be installed in whole or in part in a meter collar whi ch fits between an electric meter and the meter socket box that the meter would otherwise plug into.

公开(公告)号：CA2986677A1

公开(公告)日：2019-05-24

申请号：CA2986677

申请日：2017-11-24

Applicant: STEWART ROBERT S

Inventor： STEWART ROBERT S

IPC: B65D45/30 ,  B65B7/28 ,  B65D43/06 ,  B67B6/00

Abstract: A method of closing a container involves the following steps. Firstly, providing a clamping ring having an inner circumference, an outer circumference and an external engagement on the outer circumference. Secondly, providing a lid with a circular inner sidewall having an internal engagement. Thirdly, fitting the inner circumference of the clamping ring over the circular outer sidewall of the container from the bottom until the clamping ring engages the rim. Fourthly, placing the lid over the rim and engaging the internal engagement of the lid with the external engagement of the clamping ring to clamp the rim of the container between the clamping ring and the lid.

公开(公告)号：CA2274184A1

公开(公告)日：2000-12-10

申请号：CA2274184

申请日：1999-06-10

Applicant: STEWART ROBERT S

Inventor： STEWART ROBERT S

IPC: G01R11/02 ,  H02J3/38 ,  H02J9/06 ,  H02J9/04

Abstract: An interface circuit permits a customer who receives two-phase service from an electrical utility company to use power from an on-site source instead of or in addition to the utility company's power. Several embodiments are disclosed, in some of which the interface circuit automatically disconnects the utility company's power lines if the utility's power is lost and connects the on-site power source. The interface circuit may be installed in whole or in part in a meter collar which fits between an electric meter and the meter socket box that the meter would otherwise plug into.

公开(公告)号：US1937602A

公开(公告)日：1933-12-05

申请号：US31837928

申请日：1928-11-10

Applicant: STEWART ROBERT S

Inventor： STEWART ROBERT S

IPC: H03F3/28 ,  H03F3/32

CPC classification number: H03F3/28