Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
PatentStorm News
Make the Most of PatentStorm
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest patents by subscribing to an RSS feed.
Got questions? Ask a Patent Expert!
Registered users: Manage your profile, comments and alerts.
| Number | Title | Issue Date |
| 6010437 | Standing push/pull exercise machine A standing push/pull exercise machine includes a frame with first and second frame sections located on opposite sides of a midplane, and defining a standing exercise position therebetween. Each frame section includes a pivotal lever which is pivotal again... | 01/04/2000 |
| 5788615 | Body extension exercise machine A body extension exercise machine includes a frame, an elongated support connected to the frame and defining a reclined exercise position for an exerciser and a lever connected to the frame for pivotal movement about a pivot axis oriented transverse to an... | 08/04/1998 |
| 5554090 | Calf exercise machine An improved calf exercise machine includes a frame with a seat for supporting an exerciser in an exercise position with the legs extended horizontally, a lever pivotally connected to the frame in front of and below the seat, and an engagement plate secure... | 09/10/1996 |
| 5554084 | Abdominal/hip flex exercise machine An abdominal hip/flex exercise machine includes a frame, a seat located at a first end of the frame for supporting an exerciser in an upright exercise position facing the second end of the frame, and a lever pivotally connected to the frame between the fi... | 09/10/1996 |
| 5554089 | Military press exercise machine A military press exercise machine for exercising the arms independently against a selected weight resistance includes a frame symmetric with respect to a midplane, a seat connected to the frame to define a declined exercise position for an exerciser, and ... | 09/10/1996 |
| 5273505 | High row exercise machine A high row exercise machine includes a frame symmetrical with respect to a vertical midplane, a seat connected to the frame adapted to support an exerciser along the midplane in a forward facing direction, and a pair of spaced levers pivotally connected t... | 12/28/1993 |
| 5273504 | Behind the neck pulldown exercise machine A behind the neck pulldown exercise machine includes a frame, a seat connected to the frame to support an exerciser facing a forward direction and a pair of pivotal levers connected to the frame on opposite sides of the seat. The forward ends of the lever... | 12/28/1993 |
| 5181896 | Incline press exercise machine An exercise machine for performing an incline press includes a frame, a declined seat connected to the frame along a vertical midplane and two independently maneuverable levers with upper rearward ends pivotally connected to the frame above the seat, on o... | 01/26/1993 |
| 5180354 | Rotary cuff exercise machine A rotary cuff exercise machine includes a frame, an elongated platform aligned along a vertical midplane through the frame, and two sides rotatably connected to the frame on opposite sides of the midplane. Each rotatable side includes a horizontally pivot... | 01/19/1993 |
| 5171198 | Lateral raise exercise machine A lateral raise exercise machine includes a frame, a seat and backrest supported by the frame along a vertical midplane and two levers pivotally connected to the frame on opposite sides of the midplane behind the seat and backrest. Each lever includes a h... | 12/15/1992 |
| 5135456 | Low row exercise machine A low row exercise machine includes a frame, a seat and chest support connected to the frame along a vertical midplane, and a paiar of levers with first ends pivotally connected to the frame above and in front of an exerciser supported on the seat. Each l... | 08/04/1992 |
| 5135449 | Rowing exercise machine A rowing exercise machine includes a frame, a seat and a chest brace supported by the frame, and a pair of levers pivotally connected to the frame in front of the brace and seat. Each of the levers has a lower end adapted to support at least one removable... | 08/04/1992 |
| 5125881 | Rear deltoid excercise machine A rear deltoid exercise machine includes a frame, a bench supported by the frame along a vertical midplane and two independently pivotal levers connected to the frame on opposite sides of the midplane adjacent a head end of the bench. Each lever includes ... | 06/30/1992 |
| 5106080 | Leg press exercise machine A leg press exercise machine includes a frame, a declined seat supported by the frame and a pair of levers with upper ends pivotally connected to the frame forward and above the seat. Hubs located at the forward, lower ends of the levers are adapted to ho... | 04/21/1992 |
| 5066003 | Leg curl exercise machine A leg curl exercise machine includes a frame, a platform supported by the frame along a vertical midplane and a pair of levers pivotally connected to the frame in front of the platform. The forward ends of the levers are adapted to hold removable weights ... | 11/19/1991 |
| 5066004 | Leg extension exercise machine A leg extension exercise machine includes a frame, a declined seat connected to the frame and two independently maneuverable levers pivotally connected to the frame in front of the seat, the levers being pivotal in vertical planes that diverge with respec... | 11/19/1991 |
| 5050873 | Pulldown exercise machine A pulldown exercise machine for exercise of a muscle group that includes the forearm flexors, the biceps and the latissimus dorsi includes a frame, a seat connected to the frame and two independently maneuverable levers that are pivotally connected to the... | 09/24/1991 |
| 5044631 | Decline press exercise machine An exercise machine for performing a decline press includes a frame, a declined seat connected to the frame and two independently maneuverable levers with upper rearward ends pivotally connected to the frame above the seat. The lower, forward ends of the ... | 09/03/1991 |
| 5044632 | Dumbbell press exercise machine An improved exercise machine for performing a dumbbell press includes a frame, a seat connected to the frame and two independently maneuverable levers with rearward ends that are pivotally connected to the frame behind and above the seat. The forward ends... | 09/03/1991 |