1
Thomas V Taylor: Perorally insertable gastroesophageal anti-reflux valve prosthesis and tool for implantation thereof. Daniel N Lundeen, July 3, 2001: US06254642 (305 worldwide citation)


Disclosed is an instrument, valve prosthesis and procedure for the minimally invasive implantation of an anti-reflux valve in a patient for the treatment of gastroesophageal reflux disease. Self-anchoring or stapleable one-way anti-reflux valve prostheses are provided, which may be implanted proxima ...


2
Thomas V Taylor: Sutureless gastroesophageal anti-reflux valve prosthesis and tool for peroral implantation thereof. Daniel N Lundeen, Lundeen & Dickinson, April 8, 2003: US06544291 (201 worldwide citation)


Disclosed are an instrument, valve prosthesis and procedure for the minimally invasive implantation of a sutureless anti-reflux valve in a patient for the treatment of gastroesophageal reflux disease. A prosthesis is provided that comprises a cylindrical housing, a mounting ring and a one-way anti-r ...


3
Kenneth Ebenes Vidalin: Methanol plant retrofit for acetic acid manufacture. Acetex, Daniel N Lundeen, May 15, 2001: US06232352 (184 worldwide citation)


The retrofitting of an existing methanol or methanol/ammonia plant to make acetic acid is disclosed. The existing plant has a reformer to which natural gas or another hydrocarbon and steam (water) are fed. Syngas is formed in the reformer. All or part of the syngas is processed to separate out carbo ...


4
Thomas V Taylor: Perorally insertable gastroesophageal anti-reflux valve prosthesis and tool for implantation thereof. Reflux Corporation, Daniel N Lundeen, Lundeen & Dickinson, May 6, 2003: US06558429 (181 worldwide citation)


Disclosed is an instrument, valve prosthesis and procedure for the minimally invasive implantation of a sutureless anti-reflux valve in a patient for the treatment of gastroesophageal reflux disease. Self-anchoring or stapleable one-way anti-reflux valve prostheses are provided, which may be implant ...


5
Huey Stogner: Oilfield make-up and breakout tool for top drive drilling systems. Daniel N Lundeen, Andrew S Pryzant, October 26, 1993: US05255751 (104 worldwide citation)


An apparatus and method are disclosed for the makeup and breakout of oil well drill pipe for a top drive drilling system. By using drill stock in units of 2 or 3 joints, top drive systems can significantly reduce the drill time. The apparatus comprises a lower housing placed over a rig mouse hole an ...


6
Deborah A Lucas: Surgical stapler assembly with interchangeable heads. Daniel N Lundeen, Lundeen & Arismendi, June 11, 2002: US06402008 (86 worldwide citation)


A surgical stapler assembly for joining a tubular prosthesis to an organic duct such as a blood vessel or artery is disclosed. The assembly has a handle and a set of interchangeable heads attachable to a distal end of the handle. Each head has a staple holder housing a plurality of radially arrayed ...


7
C Darwin Williamson, Dodd W Fong, Robert K Gabel: Acrylamide terpolymer shale stabilizing additive for low viscosity oil and gas drilling operations. Nalco Chemical Company, Robert A Miller, Daniel N Lundeen, Andrew S Pryzant, May 4, 1993: US05208216 (62 worldwide citation)


A low viscosity drilling fluid and method for stabilizing a downhole shale formation are disclosed. The fluid comprises an aqueous solution of a partialy transamidated hydrolyzed acrylamide copolymer, potassium chloride, a weighting agent and an optional viscosifying agent. The copolymer comprises f ...


8
Laurence S Smith Jr, Burl William Dowden: Pipe repair clamp. Daniel N Lundeen, David B Dickinson, Lundeen & Arismendi, October 23, 2001: US06305719 (44 worldwide citation)


A clamp for repairing a damaged pipe member. Shell members are matingly engaged around the damaged pipe member. Segmented inserts are received in a complementary annular channel formed in an inside face of the shell members to form a ring assembly supporting annular seals between the ring assembly a ...


9
Neil Andrew Moir: Storage tank for fluids. Swire Oilfield Services, Daniel N Lundeen, Lundeen & Lundeen PLLC, February 11, 2014: US08646641 (38 worldwide citation)


The invention relates to a tank for storing fluid. In one embodiment, a tank (10) for storing fluids is disclosed, the tank comprising a vessel (12) for receiving and storing fluid, and a reinforcing structure (14) for the vessel. The reinforcing structure is located externally of the vessel. The ve ...


10
Kenneth Ebenes Vidalin: Bimodal acetic acid manufacture. Daniel N Lundeen, Lundeen & Dickinson, March 11, 2003: US06531630 (31 worldwide citation)


The converting of an existing methanol plant to make acetic acid is disclosed. The converted plant utilizes the steam reformer (



Click the thumbnails below to visualize the patent trend.