Vetco Offshore Industries, Inc. v. Rucker Co.

448 F. Supp. 1203, 200 U.S.P.Q. (BNA) 525, 1978 U.S. Dist. LEXIS 18484
CourtDistrict Court, N.D. California
DecidedApril 10, 1978
DocketC-75-0070-WWS
StatusPublished

This text of 448 F. Supp. 1203 (Vetco Offshore Industries, Inc. v. Rucker Co.) is published on Counsel Stack Legal Research, covering District Court, N.D. California primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Vetco Offshore Industries, Inc. v. Rucker Co., 448 F. Supp. 1203, 200 U.S.P.Q. (BNA) 525, 1978 U.S. Dist. LEXIS 18484 (N.D. Cal. 1978).

Opinion

MEMORANDUM AND ORDER GRANTING PARTIAL SUMMARY JUDGMENT

WILLIAM W SCHWARZER, District Judge.

This is an action by Veteo Offshore Industries (“Veteo”) charging defendant The Rucker Company (“Rucker”) with infringement of the United States Patents Nos. 3,714,995 and Re. (reissue patent) 28,281 covering a drill string motion compensator useful in offshore drilling. Veteo Offshore, Inc., Vetco’s exclusive licensee of the patents in suit, filed a complaint in intervention. Rucker denied infringement in its answer and has asserted counterclaims seeking declaratory relief and damages for unfair competition and violation of the antitrust laws.

Rucker has now moved for partial summary judgment on two grounds: (1) that the invention claimed in the patents was described in printed publications more than one year prior to the application filing date of the patentees, thus rendering the patents void under 35 U.S.C. § 102(b), and (2) that the claimed subject matter of the patents was obvious at the time the invention was made to a person having ordinary skill in *1206 the art, rendering the patents void under 35 U.S.C. § 103.

I. The Patents in Suit

The claimed invention consists essentially of an apparatus placed within a floating derrick and having dual pistons which move within cylinders in such a manner as to prevent the vertical movement, or “heave”, of a drilling platform at sea from being transmitted to the drill string running from the derrick to the drill bit on the ocean floor. This motion compensation is effected by automatic adjustment of fluid pressure within the cylinders, with the result that the drill bit is maintained in weighted operative position at the bottom of the hole regardless of the heave. The drill string is suspended by means of a large hook from a support which is attached to the bottom ends of the pistons. The cylinders in which the pistons move are attached to the travel-ling block suspended in the derrick.

The patent claims, among other things, the straddling arrangement of the two pistons on either side of the travelling block resulting in a close coupling of the travel-ling block and the hook. As a result less vertical space within the derrick is occupied by the motion compensating system and more is available for the drill string than where the piston is placed in series with the travelling block and hook. This allows room for larger sections of the drill string to be handled, for example in the course of “round tripping” to change or replace drill bits.

The patent also claims a means of mechanically locking the travelling block to the hook support, permitting full drilling operation without removal of the motion compensator.

The patent also claims a means of articulation between the piston rods and the hook support. This is accomplished by permitting the piston cylinders to pivot on hinges attached to the travelling block, permitting the motion compensator to adjust to a change in the vertical axis of the derrick in relation to the drill string brought about by the motion of the sea.

Finally, the patent claims a means of preventing damage to the compensator which might result from a rapid “bottoming-out” of the pistons within the cylinder in the event of a sudden reduction in the drill string load. This is accomplished by a “deceleration means”, or shock absorber, which consists of orifices in each piston permitting slow transfer of hydraulic fluid in the cylinder from one side of the piston to the other. 1

II. Anticipation

The first issue presented by this motion arises under 35 U.S.C. § 102. That section provides in relevant part:

“A person shall be entitled to a patent unless—
******
“(b) the invention was patented or described in a printed publication in this or a foreign country or in public use or on sale in this country, more than one year prior to the date of the application for patent in the United States . . . .”

Defendant contends that the motion compensator incorporating dual cylinders straddling the travelling block and a device to lock the travelling block and hook support were described in printed publications more than one year prior to the September 4,1970, filing date of the application for the original patent 3,714,995, and that to that extent at least the patent is invalid. 2

*1207 Defendant relies on a series of disclosures of the claimed invention in what it contends were printed publications by Veteo itself, as well as by Rucker and Byron Jackson, Inc., beginning in 1966. The material facts concerning those publications are substantially beyond dispute; the conclusions to be drawn from them are not.

Disclosures by Veteo

In March 1969, Edward Larralde and J. W. E. Hanes of Veteo completed drawing D-40265-A, sheet 2, showing a dual cylinder motion compensator straddling a travel-ling block. (Ex. Y, L-ll) Blue line prints of the drawing were sent to Gulf Research, BIPM, an affiliate of Royal Dutch-Shell, and Asiatic Petroleum Corp., and shown to Humble Oil in an effort to sell the system during April, May and June 1969. (Exs. BB, CC, Y, L-ll, L-37, L-76) During June and July 1969, two additional drawings of the dual cylinder design were prepared by Larralde along with a written description. (Exs. L-12, L-74, L-47) Blue line prints of these drawings were given to Esso Production Research Co. and to B. J. Livesay, a consultant for Esso, together with a copy of the description, and were shown to Western Offshore Drilling and Engineering Co. (Exs. Y, L-56).

Disclosures by Rucker

In July and August 1966, at the request of sales personnel of Rucker, Douglas Nayler, an engineer employed by Rucker, along with other design engineers, prepared schematic and blue line drawings of dual cylinder motion compensator designs. (Perry Aff., Exs. G and H). These drawings clearly show the two cylinders straddling the travelling block. Design and operating calculations were also prepared. (Ex. 1) The drawings and calculations were submitted by Rucker to BIPM in August 1966.

In September 1966, Nayler prepared another blue line drawing of a dual cylinder compensator incorporating the straddling arrangement. (Clark Aff., Ex. M) Rucker provided a copy of that drawing to Humble Oil Company in connection with a sales proposal.

In August 1966, Rucker submitted a proposal to Defoe Shipbuilding Company for certain drilling systems including a motion compensator. (Ex.

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Bluebook (online)
448 F. Supp. 1203, 200 U.S.P.Q. (BNA) 525, 1978 U.S. Dist. LEXIS 18484, Counsel Stack Legal Research, https://law.counselstack.com/opinion/vetco-offshore-industries-inc-v-rucker-co-cand-1978.