John R Haigh, 724939 N Greenview Ct, Menomonee Falls, WI 53051

8141681, Mar 27, 2012

Nov 26, 2008

12/324114

Christopher Gavin Brickell - Renton WA, US
John Jerome Haigh - Fircrest WA, US

Safeworks, LLC - Tukwila WA

B66F 11/04

182 37, 182 8, 182 18, 182 19

A climb assist system is disclosed that dynamically adjust the rate and level of assist of a climber as the climber needs may change over the period of traverse of the ladder. A sensor detects the state of a person, such as the load exerted by the climber on a ladder exerts on an assist rope, to provided an upward support force on the climber to compensate the climber's weight. Additionally, a sender is provided to transmit the load data to a receiver and a receiver to receive the data from the sender. A controller interprets the received data and thereafter provides control through a controlled motor and drive to provide energy to the assist rope.

8596416, Dec 3, 2013

Jun 15, 2012

13/698632

Gregory Crew - Seattle WA, US
John Haigh - Menomonee Falls WI, US
Morgan Knickrehm - Tacoma WA, US

Safeworks, LLC - Tukwila WA

E06C 7/12
E06C 7/16

182103, 182 19, 182 8

A system configured for lifting or lowering a tool carriage device via a ladder climbing structure is described. The tool carriage device may be adapted to enclose and transport a payload and include a fall arrest grab with an overspeed brake to stop an uncontrolled descent of the carriage device. The tool carriage device may include obstruction sensors to detect an obstruction along the path of the carriage device.

8602161, Dec 10, 2013

Mar 20, 2012

13/424657

Christopher Gavin Brickell - Renton WA, US
John Jerome Haigh - Fircrest WA, US

Safeworks, LLC - Tukwila WA

B66F 11/04

182 37, 182 18, 182 19

A climb assist system is disclosed that dynamically adjust the rate and level of assist of a climber as the climber needs may change over the period of traverse of the ladder. A sensor detects the state of a person, such as the load exerted by the climber on a ladder exerts on an assist rope, to provide an upward support force on the climber to compensate the climber's weight. Additionally, a sender is provided to transmit the load data to a receiver and a receiver to receive the data from the sender. A controller interprets the received data and thereafter provides control through a controlled motor and drive to provide energy to the assist rope.

2009009, Apr 16, 2009

Oct 12, 2007

11/871890

David Arevalo Romo - Bonney Lake WA, US
Christopher Gavin Brickell - Renton WA, US
John Jerome Haigh - Fircrest WA, US

SafeWorks, LLC - Tukwila WA

B66B 11/08

187264

A restraint device is disclosed that limits the movement of the cable or rope relative to the traction, thus reducing or eliminating the popping noise associated with the cable or rope snapping back against the traction sheave. In one embodiment, the restraint device comprises a molded component that is fitted to encompass the region of the sheave where separation of the wire rope from the sheave is most likely to occur. The restraint device may be mounted so that it is removable and replaceable with minimal dismantling of the hoist containing the sheave. The restraint device may be reversible so that one restraint device may by used for at least two cycles before being replaced. Indication of the need for replacement may be provided by including a second color material at the depth where wear reaches the allowable limit, thereby providing a visual signal to initiate replacement as seen during service.

2009020, Aug 13, 2009

Feb 7, 2008

12/027937

John Jerome Haigh - Fircrest WA, US
John Thomas Albers - Fircrest WA, US
Christopher Gavin Brickell - Renton WA, US

SafeWorks, LLC - Tukwila WA

B66D 1/00

254266, 254385, 254264

Apparatus and methods repurpose a personnel hoist from a platform whereby at least one person can stand on said platform such that power applied to said hoist lifts the platform and at least one person. The personnel hoist is repurposed for use in material load applications by attaching it to a frame and attaching the frame to a support structure. As a result, applying power to the hoist then causes it to lift a material load. A wire rope from the personnel hoist is fed through a block to redirect the lift direction of the wire rope from the personnel hoist to lift the material load.

2011021, Sep 8, 2011

Nov 11, 2009

13/127449

Christopher Gavin Brickell - Docklands, AU
John Jerome Haigh - Fircrest WA, US
David Arevalo Romo - Bonney lake WA, US

B66B 7/02

187408

A system for stabilizing the vertical motion of an object in a wind power generating tower comprises at least one static guide, and a guide component attached to the object, e.g., an elevator car, constrained to the proximity of the static guide. In addition, at least one further containment, e.g., a wirefix, coupled to the static guide is able to pass through the first containment as the object moves vertically in the tower. Moreover, the further containment is disposed to maintain the static guide in a fixed relationship to a mounting structure, and the further containment is disposed for in-situ attachment.

2015007, Mar 19, 2015

Jan 24, 2014

14/391687

- Tukwila WA, US
John Jerome Haigh - Menomonee Falls WI, US

G01L 5/04

7386201

Systems and devices are described for measuring tension in a guide wire in a tower service lift for ascending and descending wind turbine generator towers. The present disclosure also describes methods for measuring the tension in the guide wire as well as installing a device for measuring the tension in the guide wire.

2014021, Aug 7, 2014

Feb 4, 2013

13/758343

- Tukwila WA, US
John Jerome Haigh - Menomonee Falls WI, US

SAFEWORKS, LLC - Tukwila WA

G01L 5/00

7386201

Systems and devices are described for measuring tension in a guide wire in a tower service lift for ascending and descending wind turbine generator towers. The present disclosure also describes methods for measuring the tension in the guide wire as well as installing a device for measuring the tension in the guide wire.