Inventor
Wolfgang Ludwig
Inventor
Butzbach, DE
Overview
Patents· 49 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A23Bprimary
A23BPreservation of foods, foodstuffs or non-alcoholic beverages8%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for8%
E21DShafts8%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges8%
F02DControlling combustion engines6%
E21BEarth or rock drilling5%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof5%
G01RMeasuring electric variables5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
B60LPropulsion of electrically-propelled vehicles3%
PatentTitleYear
10,683,048Electric bicycle, immobilizer for an electric bicycle and method for operating an electric bicycle202010,543,756Detecting an arrangement based on predefined signatures in an inductive power transfer system202010,532,375Discharge device for a film package, film package and assembly formed by a discharge device and a film package202010,518,956Assembly comprising a foil pack and a dispensing device and foil pack201910,293,696Operation of an inductive power transfer system based on detecting an arrangement201910,284,024Device and method for the detection of an interfering body in a system for the inductive transfer of energy and a system for the inductive transfer of energy20199,961,905Methods and compositions for reducing contamination on food contact surfaces20188,616,047'Method for the activation of a tank venting valve of a motor vehicle during a leak test'20138,146,681'Drilling tool and drilling method'20128,029,211'Adaptor for setting a self-drilling, chemically anchored, fastening element'20117,991,541'Method for improving the running smoothness of an internal combustion engine, control device and internal combustion engine'20117,909,338'Adapter member of a rock anchor'20117,789,589'Fastening element'20107,668,641'Method for control of a tank ventilation'20107,575,074'Drilling head for an anchor'20097,524,520'Method of processing of meat'20097,441,550'Method and device for activating a valve of a fuel vapor retention system'20087,163,070'Drill head'20077,096,113'Method for controlling a regeneration valve of a fuel vapor retention system'20067,033,117'Rock anchor'20067,025,538'Bonding anchor'20066,955,504'Attachment element'20056,917,197'Device for adjusting an operating point of a magnetic field sensor'20056,730,341'Method of and apparatus for the processing of meat'20046,662,712'Method of and apparatus for processing PSE meat'20036,655,889'Washer for a chemical anchor'20036,598,470'Method for the testing of an exhaust gas recirculation system'20036,457,910'Tubular anchor'20026,438,947'Method for adapting a raw NOx concentration value of an internal combustion engine operating with an excess of air'20026,240,696'Anchor rod for a connection anchoring system'20016,225,094'Method for the genus-specific or/and species-specific detection of bacteria in a sample liquid'20016,113,959'Method of packaging meat'20006,050,157'Setting tool for anchor rods of attachment anchors'20006,029,417'Anchor rod for an attachment anchor'20005,972,398'Method of and apparatus for the treatment of meat'19995,669,199'Member for insertion into a borehole in a receiving material'19975,505,972'Differential injection of poultry parts'19965,469,056'Planar gradiometers arranged on non-parallel surfaces for determination of a gradient tensor of a magnetic field'19955,449,524'Differential injection of poultry'19955,436,017'Method of inhibiting bacterial growth in meat and product thereof'19955,405,630'Method of and apparatus for treating meat'19955,362,507'Method of processing freshly slaughtered fowl meat'19945,339,593'Arrangement for reinforcing parts of a wall with a hardenable mass'19945,332,153'Sleeve for increasing retention value of a screw'19945,311,129'Local magnetic field measurement apparatus having gradiometers arranged on non-parallel, non-orthogonal surfaces'19945,307,063'Superconducting A/D converter'19945,302,406'Method of inhibiting bacterial growth in meat'19945,007,780'Attachment member anchored by hardenable mass to panel-shaped structural component'19915,005,979'Optical position detection'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2020Patents assigned to HILTI AG (19)· patent assignee history
1991–1995Patents assigned to DORNIER GMBH (4)· patent assignee history
1994–2018Patents assigned to WTI INC (9)· patent assignee history
1994–1996Based in Highland, NY, US· patent location history
1994–2020Based in Tagerwilen, CH· patent location history
2002–2010Patents assigned to SIEMENS AG (5)· patent assignee history
2003–2020Based in Butzbach, DE· patent location history
2006–2011Based in Klosterlechfeld, DE· patent location history
2010–2020Based in Zaisertshofen, DE· patent location history
2019–2020Patents assigned to BOMBARDIER PRIMOVE GMBH (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HILTI AG | 19 | 1991–2020 |
| WTI INC | 9 | 1994–2018 |
| SIEMENS AG | 5 | 2002–2010 |
| DORNIER GMBH | 4 | 1991–1995 |
| BOMBARDIER PRIMOVE GMBH | 3 | 2019–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Butzbach, DE | 7 | 2003–2020 |
| Highland, New York, US | 6 | 1994–1996 |
| Tagerwilen, CH | 5 | 1994–2020 |
| Zaisertshofen, DE | 5 | 2010–2020 |
| Klosterlechfeld, DE | 5 | 2006–2011 |