1
Thomas J Fogarty, Albert K Chin: Dilation catheter method and apparatus. Thomas J Fogarty, Naylor Neal & Uilkema, June 9, 1981: US04271839 (232 worldwide citation)

A balloon catheter wherein the balloon is inverted within the distal end of the catheter for eversion therefrom and extrusion through a partially occluded blood vessel in response to the exertion of internal fluid pressure on the balloon. The catheter is designed to extrude through the occluded vess ...


2
Thomas J Fogarty: Dilatation catherter apparatus. Naylor Neal & Uilkema, July 13, 1982: US04338942 (165 worldwide citation)

A dilatation catheter is provided with a double lumen tube and inner and outer inflatable and deflatable balloon elements, one within the other. The inner bag element is twisted for retraction while the outer bag element is inflated. Subsequent deflation of the outer bag element serves to further la ...


3
Thomas J Fogarty, Albert K Chin: Dilatation catheter apparatus and method. Thomas J Fogarty, Naylor Neal & Uilkema, October 6, 1981: US04292974 (117 worldwide citation)

A dilatation catheter is provided with an inflatable section which in its non-inflated condition may have a diameter several times that of the balance of the catheter. Means are provided to axially twist the inflatable part of the catheter to reduce its diameter in its non-inflated condition to a si ...


4
Thomas J Fogarty: Dilatation method. Naylor Neal & Uilkema, September 13, 1983: US04403612 (110 worldwide citation)

A dilatation catheter is provided with a double lumen tube and inner and outer inflatable and deflatable balloon elements, one within the other. The inner bag element is twisted for retraction while the outer bag element is inflated. Subsequent deflation of the outer bag element serves to further la ...


5
Albert K Chin: Endarterectomy apparatus. Thomas J Fogarty, Naylor Neal & Uilkema, September 22, 1981: US04290427 (108 worldwide citation)

A center-pull cutting annulus which is radially expansible is employed to achieve complete removal of arteriosclerotic material from occluded arteries.


6
William K Hilfiker, Harold O Hilfiker, William B Hilfiker: Retaining and reinforcement system method and apparatus for earthen formations. Hilfiker Pipe Co, Naylor Neal & Uilkema, April 13, 1982: US04324508 (105 worldwide citation)

An earthen formation is reinforced against slippage by embedding welded wire grid work mats within the formation and securing the mats to precast elongate panels disposed at the face of the formation. The mats serve as anchors for the panels, as well as reinforcing means for the formation. Plural co ...


7
William K Hilfiker: Fabric structures for earth retaining walls. Hilfiker Pipe Co, Naylor Neal & Uilkema, October 3, 1978: US04117686 (92 worldwide citation)

Low-cost and very effective retaining walls are constructed with stacked, generally rectangular, trays of steel wire fabric sheets, each with one end bent up to form a portion of the wall face. In constructing a wall, a first course of trays is set in place and filled, with filtering rocks and/or ma ...


8
William K Hilfiker, Harold O Hilfiker, William B Hilfiker: Method and apparatus for retaining earthen formations through means of wire structures. Hilfiker Pipe Company, Naylor Neal & Uilkema, May 11, 1982: US04329089 (91 worldwide citation)

A retaining structure for an earthen formation wherein spaced anchor members in the form of rock anchors or gridwork mats are embedded in the formation and wire retainers are secured between the anchor members. The retainers comprise primary retention rods secured to the anchors and secondary retent ...


9
William K Hilfiker, Harold O Hilfiker deceased, William B Hilfiker: Retaining wall for earthen formations and method of making the same. Hilfiker Pipe Co, Naylor Neal & Uilkema, July 5, 1983: US04391557 (78 worldwide citation)

An earthen formation is retained by welded wire trays embedded in the formation to effect its reinforcement. A concrete face panel is cast in place at the face of the formation and reinforced by upturned ends on the trays.


10
Albert K Chin: Double lumen dilatation catheter. Thomas J Fogarty, Naylor Neal & Uilkema, March 9, 1982: US04318410 (64 worldwide citation)

A dilatation catheter is provided with a balloon element which is invertable, evertable, and inflatable in its everted condition. The catheter is provided with relatively movable members akin to cylinder and piston elements including a port which may be selectively closed off to prevent contrast inj ...