Assignee: TT Technologies, Inc.

Location: Aurora, IL
No. of patents: 22

Number	Title	Issue Date
8109694	Replacement of underground pipes This document discusses, among other things, devices, apparatuses, and methods for the replacement of existing underground pipes. In general, an apparatus comprises a body, including a receiving portion, and a breaking assembly adapted to be positioned within the re...	02/07/2012
8083213	Portable winch A portable winch and method of use is shown. One advantage of winches shown includes an ability to lower a boom or boom sections into limited access exit pit for winching operations such as pipe bursting. Sectional boom designs shown provide the ability to easily ra...	12/27/2011
8061001	Method and device to remove pipe A pipe removal method includes navigating a flexible element through a first pipe. At least a portion of the flexible element is coupled with the first pipe. The flexible element and the first pipe are pulled as a composite assembly, and the flexible element reinfor...	11/22/2011
7963504	Dual capstan puller and method A puller is provided with a number of advantages. Pullers are described that have a high power to weight ratio, and a high power to volume ratio. Examples of pullers and pulling systems include harmonic drive gear reduction elements and configurations that provide h...	06/21/2011
7874370	Drill stem connection and method A drill stem connection system and method is shown that provides a secure hold on drill stem surfaces while unscrewing a threaded connection. Two lever arm components are adjustable to a number of possible orientations to allow for fitting the drill stem wrench in t...	01/25/2011
7770869	Portable winch A portable winch and method of use is shown. One advantage of winches shown includes an ability to lower a boom or boom sections into limited access exit pit for winching operations such as pipe bursting. Sectional boom designs shown provide the ability to easily ra...	08/10/2010
7698974	Method and device for pipe splitting A device and method for pipe replacement is shown. A pipe replacement device is shown that includes at least one scoring wheel to provide a more progressive cut that provides consistency in the split of the pipe. A pulling force is reduced using pipe replacement dev...	04/20/2010
7661655	Dual capstan puller and method A puller is provided with a number of advantages. Pullers are described that have a high power to weight ratio, and a high power to volume ratio. Examples of pullers and pulling systems include harmonic drive gear reduction elements and configurations that provide h...	02/16/2010
7654341	Drill stem coupling and method for a directional drill A drill stem connection assembly includes a first drill stem section and a second drill stem section. At least one engaging feature is located at an end of the first drill stem section. At least one mating feature accepts the at least one engaging feature. The at le...	02/02/2010
7628212	Drill stem connection and method A drill stem connection system and method is shown that provides a secure hold on drill stem surfaces while unscrewing a threaded connection. Two lever arm components are adjustable to a number of possible orientations to allow for fitting the drill stem wrench in t...	12/08/2009
7578636	Method and device for pipe splitting A device and method for pipe replacement is shown. One advantage of devices and methods provided includes a splitting blade that provides a progressive cut into challenging pipe configurations such as ductile materials, thin walled pipes, corrugated pipes, or combin...	08/25/2009
7537059	Drill rod greasing magazine and method A magazine for greasing drill rods includes a magazine assembly couplable with a drill assembly, for instance, a directional drill. The magazine assembly includes a magazine coupled with the drilling assembly. The magazine is sized and shaped to house a plurality of...	05/26/2009
7448829	Replacement of underground pipes This document discusses, among other things, devices, apparatuses, and methods for the replacement of existing underground pipes. In general, an apparatus comprises a body, including a receiving portion, and a breaking assembly adapted to be positioned within the re...	11/11/2008
7434315	Method and device for pipe splitting A device and method for pipe replacement is shown. A pipe replacement device is shown that includes at least one scoring wheel to provide a more progressive cut that provides consistency in the split of the pipe. A pulling force is reduced using pipe replacement dev...	10/14/2008
7413033	Directional drill head A drill head is shown that provides improved steering in difficult ground conditions such as dry and compacted soil. A drill head is shown with features that include a narrow front portion, a sharp hardened insert such as a carbide point, and a curved rear portion o...	08/19/2008
7384214	Pipe splitter and method A pipe splitting assembly includes a pipe splitter, for instance, a cutter with one or more blades. An expander is flexibly coupled with the pipe splitter and allows the pipe splitter to rotate out of alignment with the longitudinal axis of the expander. In one exam...	06/10/2008
7341404	Dual capstan puller and method A puller is provided with a number of advantages. Pullers are described that have a high power to weight ratio, and a high power to volume ratio. Examples of pullers and pulling systems include harmonic drive gear reduction elements and configurations that provide h...	03/11/2008
7217065	Modular pipe breaking assembly and method A pipe breaking assembly is shown with a modular design that allows a user to more economically purchase a single base unit that is adaptable using a number of elements. Combinations of elements such as blade portions and expander cones, etc. allow the modular assem...	05/15/2007
7147065	Connection design and sonde housing assembly for a directional drill Drill stem elements and connections are shown with advantages such as being mechanically robust. The absence of a side access window in a sonde housing is one design feature that provides robust mechanical properties. Further advantages of sonde housings include bei...	12/12/2006
7125001	Method and device for pulling a cable through a section of pipe An improved cable pulling device and method is shown. The cable pulling device is smaller, less expensive, and easy to use for lateral line replacement. The cable pulling device includes a cable contacting portion that provides supplemental frictional force during a...	10/24/2006
6830234	Method and device for pulling a cable through a section of pipe An improved cable pulling device and method is shown. The cable pulling device is smaller, less expensive, and easy to use for lateral line replacement. The cable pulling device includes a cable contacting portion that provides supplemental frictional force during a...	12/14/2004
6443657	Method of installing or replacing underground pipe The present invention is directed toward a method for replacing or lining existing underground pipe. The present invention replaces the pipe between two manholes without the need to dig associated trenches. A diagonal pilot hole is formed by a piercing to...	09/03/2002

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Assignee: TT Technologies, Inc.