Dan D Baldwin: Aerobic exercise device for increased user comfort. Nautilus Sports Medical, Bell Seltzer Park & Gibson, May 20, 1986: US04589656 (94 worldwide citation)

A device for aerobic exercise characterized by increased user comfort, especially during extended periods of use which comprises an elongate frame, a housing enclosing the frame, a stress imposing pedal-driven fan carried by one end portion of the frame and a user supporting and positioning seat car ...

Arthur A Jones: Compound weight lifting exercising machine. Nautilus Sports Medical, Bell Seltzer Park & Gibson, April 16, 1985: US04511137 (92 worldwide citation)

The machine disclosed is for particular use in the duo-squat exercising of the legs and provides the proper variation of resistance to movement in all positions when the legs are being moved between the extended and retracted positions and vice versa. The machine includes a negative profile cam to w ...

Arthur A Jones: Weight lifting lower back exercising machine. Nautilus Sports Medical, Bell Seltzer Park & Gibson, February 19, 1985: US04500089 (76 worldwide citation)

This machine includes a saddle-type seat for supporting the user in substantially an upright position with the legs being maintained in position during use of the machine. A user-actuated lever is provided with a padded roller on one end thereof. The padded roller is adapted to engage the back of th ...

John Arthur Ohrt, James A Duncan: Exercise machine. Nautilus, Dorsey & Whitney, February 10, 2004: US06689019 (75 worldwide citation)

An exercise device providing a fore and aft horizontal component of striding motion that is dynamically user-defined, while providing a vertical component of the motion that is maintained on a predetermined vertically reciprocating path in some embodiments. The exercise device guides the user's ...

Gregory M Webb, Brian R Cook: Exercise machine. Nautilus, Flehr Hohbach Test Albritton & Herbert, September 10, 2002: US06447430 (71 worldwide citation)

Exercise machine having a frame with a pair of upstanding sections disposed substantially at right angles to each other, a weight stack mounted on each of the frame sections, a cable coupled to each of the weight stacks for transferring a pull on the cable to the weights in the stack, a pulley block ...

Gregory M Webb: Leg exercise machine. Nautilus Acquisition Corporation, Bell Seltzer Park & Gibson, April 21, 1992: US05106081 (66 worldwide citation)

A leg exercise machine includes a frame having a seat connected thereto for supporting a user in a seated position thereon. A foot engaging member is adapted for engaging the feet of a user and receiving force from the user leg. The foot engaging member is pivotally mounted on the frame by a four-ba ...

Gregory M Webb, William F Halsey: Assisted chin and dip exercise apparatus. Nautilus Acquisition Corporation, Bell Seltzer Park & Gibson, June 21, 1994: US05322489 (65 worldwide citation)

An exercise machine for assisting a user in performing chin-ups and dips includes a pair of handles attached to a frame and a kneeling platform operably connected to the frame by a four-bar linkage. The pair of handles may be a pair of chin-up handles attached to an upper portion of the frame or a p ...

Gregory M Webb: Exercise apparatus and associated method including rheological fluid brake. Nautilus Acquisition Corporation, Bell Seltzer Intellectual Property Law Group of Alston & Bird, September 22, 1998: US05810696 (64 worldwide citation)

An exercise apparatus includes a frame, user actuation components connected to the frame for being engaged and moved by a user during an exercise, and a rheological fluid brake operatively connected to the user actuation components for applying a controllable resistance to movement thereof. The rheo ...

Dan D Baldwin: Abdominal weight lifting apparatus. Nautilus Sports Medical, Bell Seltzer Park & Gibson, June 14, 1983: US04387893 (62 worldwide citation)

An exercising apparatus in which the body is supported while being restricted to rotary movement of upper and lower torso portions one relative to the other. Restriction of movement isolates the abdominal muscle group while accomplishing "full range" exercise as herein defined.

Dan D Baldwin: Apparatus and method for exercising the abductor or adductor muscles. Nautilus Sports Medical, Bell Seltzer Park & Gibson, October 23, 1984: US04478411 (57 worldwide citation)

Apparatus and method for exercising the abductor or adductor muscles in which the legs of the user are moved away from and toward one another and in which resistance to leg movement varies in predetermined relationship to leg movement. The apparatus is connected through link structure to accommodate ...